PAR Scientific A/S
Manual
For
Autimo2D
Block cutting software
2016-02-18 Rev. 1.0
�2016 PAR Scientific A/S
�PAR Scientific A/S
Autimo2D Version 5.0
1 INTRODUCTION ...................................................................................... 5
1.1 Changes to this document .......................................................................... 6
2 SOFTWARE INSTALLATION ................................................................ 7
2.1 System requirements .................................................................................. 7
2.2 Installation ................................................................................................. 8
2.3 Setting up the system for the first time ....................................................... 8
2.3.1 License program .................................................................................. 8
2.3.2 Selecting block cutting unit .................................................................. 9
2.3.3 Communication ports ......................................................................... 11
2.3.4 Default parameter set ......................................................................... 11
2.4 System backup ......................................................................................... 12
3 IMPORTANT TERMS ............................................................................ 14
3.1 Shielding filters........................................................................................ 14
3.1.1 Blocking filters ................................................................................... 14
3.1.2 Irregular filters .................................................................................. 15
3.2 Parameter sets .......................................................................................... 16
3.2.1 Parameter set - General ..................................................................... 17
3.2.2 Parameter set – cutting ...................................................................... 18
3.2.3 Parameter set – Irregular field ........................................................... 21
3.2.4 Parameter set – Shape / field .............................................................. 24
3.2.5 Parameter set – Plot / Plexi files ........................................................ 25
4 WORKING WITH FILTERS.................................................................. 27
4.1 How to get filters into the system............................................................. 27
4.1.1 Selecting an existing filter .................................................................. 27
4.1.2 Generate automated filters ................................................................. 29
4.1.3 Digitize a filter ................................................................................... 31
4.1.3.1
4.1.3.2
4.1.3.3
4.1.3.4
Digitizer setup......................................................................................................................................... 31
Digitizing using the keyboard .................................................................................................................. 33
Digitizing using the mouse ...................................................................................................................... 33
Digitizing using digitizer ......................................................................................................................... 34
4.1.4 Import filter from TPS ........................................................................ 37
4.1.4.1
4.1.4.2
4.1.4.3
Importing DicomRT files......................................................................................................................... 38
Importing other TPS ................................................................................................................................ 39
Import filter settings ................................................................................................................................ 40
4.2 Making filter alterations ........................................................................... 41
4.2.1 Rotate filters ....................................................................................... 41
4.2.2 Mirror filters ...................................................................................... 42
4.2.3 Edit blocks.......................................................................................... 43
4.2.4 Copy blocks ........................................................................................ 43
4.2.5 Change documentation ....................................................................... 45
4.2.6 Modify blocks ..................................................................................... 45
4.2.7 Change source film distance............................................................... 48
4.2.8 Copy irregular fields to blocks ........................................................... 49
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4.2.9 Copy block contour to irregular field ................................................. 49
4.2.10 Changing block parameters ............................................................. 49
4.3 Cutting filter ............................................................................................ 51
4.3.1 Cutting ............................................................................................... 51
4.3.2 Cut simulation .................................................................................... 53
4.3.3 Read blocks ........................................................................................ 53
4.3.4 Calculate cutting way ......................................................................... 53
4.4 Plotting documentation ............................................................................ 55
4.4.1 Setting up plotter parameters ............................................................. 55
4.4.1.1
4.4.1.2
4.4.1.3
4.4.1.4
4.4.1.5
4.4.1.6
4.4.1.7
4.4.1.8
4.4.1.9
4.4.1.10
4.4.1.11
4.4.1.12
Selecting printer / Plotter ......................................................................................................................... 57
Printing area............................................................................................................................................ 57
Print center.............................................................................................................................................. 58
Orientation .............................................................................................................................................. 58
Frame ..................................................................................................................................................... 58
Axis ........................................................................................................................................................ 59
Irregular field .......................................................................................................................................... 59
Blocks..................................................................................................................................................... 60
Field ....................................................................................................................................................... 60
Outer shape......................................................................................................................................... 60
Advanced settings ............................................................................................................................... 61
Filename and all following documentation ........................................................................................... 61
4.4.2 Quick documentation print ................................................................. 62
4.4.3 Documentation on screen ................................................................... 63
4.4.4 Printing label ..................................................................................... 64
4.4.4.1
Setting up label printing........................................................................................................................... 64
5 APPENDIXES .......................................................................................... 66
5.1 Tray files ................................................................................................. 66
5.2 Cutting unit parameters ............................................................................ 67
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Attention
Please be aware of the fact that all shielding
blocks and compensators should be tested
on a simulator prior to use on a patient.
Verification
of
shielding
blocks
and
compensators should be performed by
educated staff.
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Autimo2D Version 5.0
1 Introduction
In 2010 PAR Scientific was approached by Eckert & Ziegler BEBIG to take over
service and support for the Autimo line of block cutters and associated products.
Since then we have helped customers with electrical, mechanical and software issues
that may arise during use of these machines.
The Autimo software version 4.6 was the version that was current at the time of taking
over the responsibilities. It would work under systems like WinXP and Win7, but with
more recent updates of the Windows environments, not without problems during
installation.
This caused the launch of bringing the Autimo software up to speed with newer tools
and developments.
As a result, we are ready to release the latest version 5.0 of this software which has
undergone intensive changes, while keeping the user interface close to what users are
accustomed to.
Some of the changes are:
� Using the latest development tools from Embarcadero XE10 allowing us to
benefit from the changes that were made since Delphi 5 (1999).
� Removed the use of ODBC database to store different languages and using a
more current routine of internationalization. One of the major issues of version
4.6 was the usage of the old ODBC technology. The change also provides instant
change of language, without the need to restart.
� The transmission programs for Autimo2D-A and Autimo2D-C are now using a
new component for serial transmission. This new component is fewer problems
prone and will be more stable, when using USB-to Serial converters. This has not
been tested with all converts, but an improved stability has been observed.
� Digitizer setup now allows for selection of digitizer driver in the digitize setup.
Instead of having to manually copy dll files to use, this has now been automated.
� Dicom interface has been updated to avoid issues with long filenames, filenames
containing white-space and the overall speed of the Dicom reading procedure has
been improved tremendously.
� Editing machine files and setup has been moved to one dialog with tabs instead of
multiple dialogs. This makes editing and switching back and forth easier.
� Cutting program for Autimo2D-A, Autimo2D-C and Autimo2D-L has been
merged to use the same base. This means that changes made to one program is
automatically moved onto the others. This ensures an even quality between the
programs.
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� The programs are now relying on newer technology causing a lesser demand for
resources. This manifests itself in improved loading and faster response time
during usage.
Should any problems arise during the installation and use of this version, please do not
hesitate to contact us:
PAR Scientific A/S
Sivlandvænget 11B
DK-5260 Odense S
Denmark
Phone:
+45 63 12 90 00
Fax:
+45 63 12 90 01
E-mail: tech@ParScientific.com
For upgrades, visit our homepage: http://www.ParScientific.com
1.1 Changes to this document
This section holds the changes for the document at hand. This has been started with
revision 3.3, so it does not go further back than to 3.2.
Revision Changes:
1.0
First edition
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Autimo2D Version 5.0
2 Software installation
This section will describe the system requirements for running the software. The
process of installing the software will be explained as well.
2.1 System requirements
The Autimo2D System version 5.0 is 32-bit version and will run on any PC equipped
with WinXP, WinVista, Win7, Win8, Win8.1 or Win10 computer
Minimum requirements:
� PC 1.6Ghz Pentium 4
� 10GB Hard Disk
� CD-ROM Drive
� 1Gb Mb Ram
� 10/100Mbit Ethernet card
� 17" TCO-99 Monitor @ 800x600
� 1 Serial port1
Recommended requirements:
� Core i5 type processor
� 1Gbit Ethernet
� 4 GB Ram
� 20” monitor
� Win7 / Win10
� 1 Serial port
1
The Autimo2D uses one serial port. If a digitizer is hooked up too, two serial ports are
needed. If a plotter is needed, a third serial port might be needed.
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2.2 Installation
Insert the CD-ROM and navigate to the drive and the folder \Software\Autimo2D.
Locate the msi file and double-click to run. This will launch the installation and the
program will guide through the rest of the procedure.
NOTE: There might be more msi files, in order to allow older OS to run the system.
Choose the latest if in doubt. Installation program will tell you if unusable for your
operating system.
During the installation process, the following folders will be created:
C:\Autimo2D
Main directory for all executables
C:\Autimo2D\Masch
Directory for machine setup files (*.mas)
form data (*.for) and plexi data (*.pl)
C:\Autimo2D\Blo
Directory for block data.
C:\Autimo2D\Tra
Default directory for TPS transfer data
C:\Autimo2D\Dat
Directory for setup data and other
configuration files
NOTE: When installing the Autimo2D software, no data files are overwritten by the
installation program
2.3 Setting up the system for the first time
Start the program by clicking on the icon.
Figure 1 Start icon as it appears on the desktop
2.3.1 License program
When launching the system for the first time, the License request program will show:
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Fill out the form. Make sure to select the TPS that applies to the hospital. The selection
is going to be the
allowed options in
the
Autimo2D
program once it is
launched.
When done, select
the
“Temporary
license”. This will
grant a 2 weeks
license. Within this
time period, the
selections of TPS
can be changed if
needed. The license
program can also be
started from main
Figure 2 License request program
program,
menu
“Options” -> “Enter license key”.
The license program will close and launch the main program. The system is now ready
to be used for a period of 2 weeks. Make sure to request a license number before the end
of the period.
2.3.1.1 Requesting license key
To request a license key, simply send the file c:\Autimo2D\License.txt to
license@parscientific.com. Make sure it contains the latest information. If in doubt,
launch the license request program above again, verify the settings and hit “Copy
license to file”. Now the file mentioned is generated. If a valid email program is located
on the computer, the button “Send mail to get license” can be used.
2.3.2 Selecting block cutting unit
First important check is to ensure the correct block cutting unit is selected. In the main
program, the block cutting unit is listed in the above right corner:
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Figure 3 Main program
In this case, the selected machine is an Autimo2D-A unit. If this is incorrect, doubleclick on the label, or select menu “Options” -> “Setup”. A password here is required.
This is to protect the system from un-authorized changes. The password is “autimo”.
Once entered, the following dialog will show:
Figure 4 Setup selecting block cutting device
Options are:
Autimo 2D-A: Unit where blocks are lying down. It has a lot of buttons on the front for
manual control.
Autimo 2D-C: Unit where blocks are standing up. It has a lot of buttons on the front for
manual control.
Autimo 2D-L (SM40): Unit where blocks are standing up. Only on/off button and
temperature dial on the front. The unit is controlled by a motor card in the PC. This card
is a SM40 card.
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Autimo 2D-L (SM41): Unit where blocks are standing up. Only on/off button and
temperature dial on the front. The unit is controlled by a motor card in the PC. This card
is a SM41 card.
Make sure the correct selection is made, or the machine will not operate correctly.
The other settings can be left as they are. They will be explained in section 5.2.
2.3.3 Communication ports
The next important selection is the communication ports used by the cutting units and
other accessories. This can be reached from menu “Options” -> “Setup” and
“Communication port” tab:
Figure 5 Communication ports
To the left, the current selections are shown. To the right, a list of available ports is
shown. If the square is green, the port is available; if red it is in use by another program.
Make sure to pick the correct ports, or the cutting unit will not operate.
NOTE: This newer version is more stable when using USB to Serial ports. A few
vendors have been tested, where they did not operate under earlier versions of the
Autimo2D system. Unfortunately there are still untested converters.
2.3.4 Default parameter set
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The next item to setup is the default parameter set. This set is chosen as default, when
blocks are imported, digitized or otherwise generated in the system. In most scenarios it
can be changed, but to avoid too many selections, the most likely to be used can be
chosen using the menu “Options” -> “Setup” -> “Default parameter set” tab:
Figure 6 Default parameter set
The values contained in the parameter set are discussed in section 3.2.
The system is now configured and ready for use!
2.4 System backup
It is important to consider the backup aspect of the system. The extent of backup is
decided by the hospital itself, but a few pointers can be made:
Full backup: Backing up C:\Autimo2D and sub folders is a full backup. This backs up
patient data, system data but also the system executables. If system crashes the
installation media must be used to restore important files in the Window system folders;
it is not enough just to restore a full backup. Therefore some space can be preserved to
backup use sub-folders of C:\Autimo2D.
System data backup: This is the most common backup, as no patient data is preserved.
In most modern facilities, most patients are transferred from the TPS, where a full
backup is in place. If a patient is needed, it is simply being retransmitted from the TPS.
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For a System Data backup, only subfolders but \Masch and \Dat are backed up, which
requires less than 100K of space.
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3 Important terms
This section will explain some important terms for understanding the way the system
operates.
3.1 Shielding filters
Shielding filters covers both sorts of filters cut out in Styrofoam. It they filter out the
accelerator output, it being photons or electrons. It is a more general term for blocking
filters and irregular filters. It is very important to understand the difference, as the
generated filters will be incorrect if not done properly!
3.1.1 Blocking filters
Blocking filter is in the
program defined as shields,
where the hole inside the
Styrofoam from the cut is
filled with alloy. An example
of a blocking filter is shown
here:
Note the blue lines surrounding
the gray areas. This defines it
as a blocking filter in the
system.
The alloy is poured into the
gray area of the piece of
Styrofoam, using the holes.
Figure 7 Example of blocking filters
As the cutting wire is not having an infinite thin path, but instead is removing about
1mm of foam during its cutting, it is obvious that if the wire is put in the desired cutting
path, the filters above will be too small. The system will, when the filters are defined as
blocks move the cutting wire further out from the desired path, allowing accurate size of
the hole. This is called tool-compensation:
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The cutting wire is moved
towards the center of the
cutout, so the side of the path
corresponds to the desired
block.
Figure 8 Tool-compensation for blocking filter
3.1.2 Irregular filters
Irregular filters are doing the opposite: the cutouts are used to pour alloy around them to
offer radiation inside. Most common of these are electron fields, but also photon fields
can be exported as apertures.
Note the red line defining the
filter. This indicates this is
considered an irregular filter.
The filter is producing the
same result as the blocking
filter, but in this case, the alloy
is poured outside the cutout
(center piece) shown by the
grey area.
Figure 9 Example of an irregular field
Tool-compensation is also performed for irregular fields:
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The wire is in this case position outside the cutout, so the cut-out piece is matching the
desired countour perfectly.
This also makes it clear that if
the two are interchanged, the
resulting filter will either be
too large or too small.
Figure 10 Tool-compensation for irregular filters
3.2 Parameter sets
Parameter (or machine) sets are files containing standard information about the machine
and the setup surrounding the creation and cutting of filters. All of the settings can be
pre-selected and stored in the machine files for easy selection.
The system operates with a default parameter file, which is chosen automatically by the
system. During operations like import or digitizing of filters, the default parameter file
can be overridden, should it be desired.
The system comes with a few pre-defined machine files. These can be altered to fit to
the needs of the department.
To edit a parameter file, choose menu “Options” -> “Parameter set”:
Figure 11 Editing parameter set
This will show a dialog for choosing the parameter set to edit. When open is selected,
the following General tab of the parameter set is shown.
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3.2.1 Parameter set - General
Figure 12 Parameter set, the General section
Identity of parameter set:
The identity of the parameter set shows the origin of the parameter set. This name will
stay the same, when saved as a new one.
Unit type:
Unit type is the cutting unit that is currently selected on the system. This should match
the machine that is to be used as cutter.
Changed:
Changed is the date the parameter file was saved as a new one. If none is shown, this is
then the original parameter file.
Source – tray – distance [cm]:
This value is part of the scaling and determining of the divergence of the filter. It is
defined as the value from the linear accelerator, the distance from the source (focus
point) to the top of the tray, where the blocks / electron applicator is located.
Source – film – distance [cm]:
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This value also determines the size and divergence of the filter. This is defined as the
distance from the linear accelerator source (focus point) to the position, at where the
data input is taken. If it is an x-ray that is used to digitize, it is the distance to the film, if
it is input from Planning system, this value is 100,0cm, being the reference point of the
data.
Size of Styrofoam X and Y:
This is the standard size of the Styrofoam. If the filter to be cut is bigger than the
standard value, then a warning is issued when trying to cut it.
Type of cutting path:
This parameter-point offers three different options of the way to cut:
- Automatic: If you choose automatic, the system searches for the shortest
connection between two blocks. The automatic calculated cutting-path cannot be
edited.
- Rectangle: In this mode of operation the cutting-wire always enters a block from
outside. The point of entry is the first point of a digitized shield. You can change
the point of entry after digitizing (see section 4.2.6). This type of cutting path is
only available for blocks.
- Manual: The cutting path can be defined individual in this mode. You can do this
using the mouse and without erasing the old original cutting path.
Often the automated cutting path is used, as it offers a satisfactory solution.
Divergence Yes/No:
This determines if the filter is cut with divergence or not. For electrons the divergence is
normally not present.
NOTE: Outer shapes are always cut without divergence.
3.2.2 Parameter set – cutting
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Figure 13 Parameter set, cutting section
Cutting Speed:
The cutting speed is the speed in which the machine is cutting the filter. It is defined as
a factor and does not correlate directly to a speed. The speed depends on the
temperature of the hotwire, but also on the type of machine used. See table below for
standard speeds.
Fast movement speed:
Fast movement speed is the speed the hotwire is running outside the foam. This is only
depending on the type of machine. See table below for standard speeds.
The values are the default values for the machine. The values in parentis are the
available range.
Note that the speeds are guidelines. If the speed is too fast, the hotwire will not move.
Autimo2D­A
Autimo2D­C
Cutting speed
0,4 (0,1 ­ 0,6)
0,4 (0,1 ­ 0,6)
Fast speed
4,0 (1,0 ­ 5,0)
4,0 (1,0 ­ 5,0)
Table 1 Standard cutting speeds for different units.
Autimo2D­L (SM40)
3,0 (1,0 ­ 6,0)
4,0 (1,0 ­ 7,9)
Autimo2D­L (SM41)
3,0 (1,0 ­ 6,0)
4,0 (1,0 ­ 7,9)
Width of cutting path [cm]:
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This entry defines the amount of material removed by the hotwire. Standard value is
0,05 to 0,08mm. This is the amount the software adjusts the hotwire in order to obtain
the correct cut filter (see Shielding filters page 14)
NOTE: It is important this value is correctly setup, as this has a large impact on the
system accuracy.
Fixed center point Yes/No
Normal selection is “No” where the cutout of the filter will be done as close to the
hotwire home-position as the machine allows it. This offers the flexibility to use the
same foam multiple times, as the unused foam corner is rotated close to the hotwire for
next cut.
If “Yes” is chosen, the filters are cut around a central beam point defined below. This
can be useful, if the edges of the foam are to be used as reference point for mounting the
blocks. NOTE: This can be inaccurate if the foam is uneven on the sides. In this case,
see the outer shape for a more accurate solution to this!
Safety space X and Y [cm]:
The value of safety space X is the distance between filter and Styrofoam-border.
Usually a minimum of 2 for X and 0,5 for Y is chosen avoiding the melted alloy to
deform the Styrofoam.
The values are easier explained when looking at the image below:
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Figure 14 Defined distances for Autimo 2D-C and 2D-L
X and Y margin are defined, when the machine is chosen. X and Y Save is the safety
space defined above. Finally it can be seen how X and Y Center beam can offset the
filter to the middle of the foam.
Distance for rectangular path:
If the rectangular cutting-path is chosen, the cutting-wire moves outside around the
blocks. You can enter a value for the distance between cutting-path and filters. This
distance is the thickness of Styrofoam, which is left for the mould. If you have a large
block, the mass of the melted alloy can deform a thin Styrofoam barrier. The minimum
value for this distance should not less than 2 cm.
3.2.3 Parameter set – Irregular field
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Figure 15 Parameter set, irregular field tab
Rectangle for irregular fields:
In an irregular field the alloy needs to be poured around the cut-out piece. Some
electron applicators have a frame which limits the alloy. In this case, the setting here is
“None”, as there is no need for a rectangle around the filter.
Other options are:
- Automatic. This will make the software automatically add a frame around, with a
distance of the setting below as margin.
- Fixed, which means a fixed size rectangle is to be cut around it. The values are
taken from the four Rectangle coordinates below. This option may be helpful, if
you are using electron field shutters, as in this case the user has always to cut an
identical frame around the field.
- Field size. This will use the defined field size plus the defined “Distance field to
rectangle” as margin. The resulting frame will be this value larger than the field
size.
Distance field to rectangle (cm):
If the selection for “Rectangle for Irregular fields” is set to “Automatic”, the value here
will be used to create a frame around the irregular field. It is defined as the margin
around the field.
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Symmetric / Asymmetric:
If the selection for “Rectangle for Irregular fields” is set to “Automatic”, the value here
will determine if it is to be symmetric or asymmetric around the field.
- Symmetric: The frame around the irregular field will be symmetric around the
central axis.
- Asymmetric: The frame around will use the “Distance field to rectangle” above to
add to the maximum of the irregular field.
See images below:
Figure 16 Asymmetric generated frame
Figure 17 Symmetric generated frame
Coordinates of Rectangle:
These are the 4 values define the fixed rectangle to be cut around the filter.
The image below shows such a fixed rectangle:
The values used are:
coordinate of rectangle x-min (cm) = -4,0 cm
coordinate of rectangle x-max (cm) = 6,0 cm
coordinate of rectangle y-min (cm) = -1,5 cm
coordinate of rectangle y-max (cm) = 5,0 cm
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Figure 18 Fixed rectangle values
3.2.4 Parameter set – Shape / field
Figure 19 Parameter set the shape / field tab
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Outer shape:
This will add a shape around the defined filter. Options are:
- No: No extra shape is added
- Yes, the shape defined in the entry below is added. Note: An outer shape cannot
be used, if cutting-path is set to manual or rectangle
- Automatic an automated outer shape is added, using the value from previous tab
“Distance field to rectangle” to add a margin. Furthermore, ticks are cut where
the iso-center line is passed.
Outer shape filename:
The filename of the outer shape is displayed (extension: .for). If the field is clicked a file
selection dialog is shown to choose a form. These form files are generated from already
defined filters using the menu “Input” -> “Define outer shape”.
SAD (cm):
In general the size of the displayed filters refers to the focus-block-distance.
The value of this line is used for the calculation of another display-size.
If you enter here e.g. the focus-axis-distance, the shield can also be shown in this ratio.
Display field size (yes / no):
Additional to the contours, the radiation-field-size can be displayed.
It can verify if the digitized blocks or irregular fields are going beyond the border of the
radiation-field.
If the field-dimensions have been entered while digitizing, the values are already
available; if not, you can enter them when having the field displayed.
Source-field-distance (cm):
If the option for display field size is set to yes, the distance from source to field is
entered here. If the field-dimensions are given in reference to the ISO-center, you have
to enter the distance from ISO-center to the source. The displayed field-size correlates
to the ratio of ISO-center-distance to focus-block-distance.
While digitizing a field, the source-film-distance will be used for the field-size.
Coordinate values (cm):
These four values define the field size. These can be altered here, if desired.
3.2.5 Parameter set – Plot / Plexi files
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Figure 20 Parameter set plot / plexi file tab
Show Plexi tray
It can be turned on/off, if the selected plexi tray (shadow tray) is to be shown.
Tray filename
The chosen filename. Click the field to bring up a dialog to choose a Plexiglas tray. On
information on how to create a plexi tray file, please see section 5.1
Plot filename
Clicking this box allows the choice of the plotter setup file. The plot filename
determines how the plot is formatted. For information no how to set up this format, see
section 4.4.1.
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4 Working with filters
This section explains in detail the different routes of working with filters. It can be split
up into several portions, each having different options:
- How to get filters into the system
- How to do some manipulations to the filters
- How to cut the filters
- How to print out documentation
Each of the sections has several options on how to accomplish the task. Which one is
chosen depends on the needs.
4.1 How to get filters into the system
This is the basic task in order to get some filters through the process. There are several
options to choose from:
- Select an existing filter
- Generate an automatic filter
- Digitize a filter
- Import from TPS.
The order of the following sections are from the most simple task to the more complex
task trying to build a good understanding of the system underway
4.1.1 Selecting an existing filter
The simplest way of picking a filter is to choose from a list of already existing filters.
When the system is installed, there has been some sample filters installed along side.
During normal operation, this is used to pick a field to cut again, or if multiple fields
were imported, to pick other fields to cut. To use this feature, select the icon from the
speed bar
or to select the menu “File” -> “Open” or “Select block”.
This will bring up the following dialog:
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Figure 21 Dialog for selecting existing filters
When selecting a filename to the right, the image changes so it is visible what is
selected. Click the Ok button or double-click on a file to load it.
Now the selection is visible in the lower right hand corner of the program:
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Figure 22 A filter has been selected.
The filter is now ready for next step, modifying, plotting or just cutting.
Hint: To visualize the filter in a higher resolution, simply double-click on the image in
the lower right corner. This is the same as hitting the speed button:
4.1.2 Generate automated filters
Automatic filters are generated by the user via input from the keyboard. The shapes are
simple in generation, but are very accurate. These can be used for standard filters and
for testing the system.
Figure 23 Input menu
This is started by selecting the menu “Input” -> “Automatic blocks”. The following
dialog appears:
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Figure 24 Standard filters generation dialog
First choice to make is it going to be a block or an irregular field. Then a shape can be
chosen, either Rectangle or Circle.
Now enter the values accordingly and hit generate.
NOTE: Only one irregular filter can be generated per field. If the Generate button is hit
again, the previous defined shape is replaced.
Multiple blocks can be inserted when choosing blocks
When done, hit “Save” button to get to the dialog for naming the field:
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Figure 25 Save field as dialog
Minimum the filename must be entered. Using the drop down lists to the left of the
editing fields, previous selections can be chosen.
Note the source-tray distance and source film-distance. These are taken from the
parameter set. A new parameter set can be chosen, if desired.
Hit “Save” to save the filter.
This block is now saved in the system and ready to be worked with.
4.1.3 Digitize a filter
This allows for more specialized shapes to be entered into the system. The name is a
little misleading as there are three different options to enter data into the system, where
only one of them is a digitizer. The other two are using the keyboard to type in the
values, or the computer mouse.
First of all, we need to see how this is setup.
4.1.3.1 Digitizer setup
When invoking the menu “Input” -> “Digitizer setup” the following dialog is shown:
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Figure 26 Digitizer setup dialog
First the means of input is chosen. In the following each of the three will be shown its
operation. The first two are tedious to work with, most important being the digitize
mode.
The following section of Input options determines what are to be digitized. Both
irregular fields and blocks are selected. This means the software will request the user to
enter both. They can be bypassed, but to avoid a few clicks, it can be turned off here.
Digitize field size
This will request the user digitizes the field size as part of the operation. If this is not
needed it can be omitted here.
Digitize screen / window:
The digitizer screen will show a certain size of filter. If this checkbox is checked, the
program will prompt for the user to enter this. A value slightly larger than the field to
digitize must be selected, as the screen will be limited to these values.
If left unchecked, the window will display the values in the edit boxes below.
Window size:
The size of window to show, if above setting is left unchecked.
Digitizer driver:
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This option is only valid, when type of input is set to Digitizer. I must be set to match
the kind of digitizer that is attached to the system. Furthermore the digitizer itself must
be setup to output in the format that is chosen for the driver. It will be beyond the scope
of this manual to define this.
4.1.3.2 Digitizing using the keyboard
Selecting “Keyboard” as input and then the menu “Input” -> “Digitize” will bring up
this dialog. It offers the ability to enter points manually into the system.
To the left block number is shown. This is incremented, when a new block is added
using “Insert Block” button.
The next is point number. A new point is added, when the button “Insert point” is
clicked. Then the coordinates of each point can be entered manually like below.
Likewise, points and
blocks can be removed
by
choosing
the
appropriate buttons.
When all is done, hit the
“Save”
button
to
continue and name the
file. This operation is the
same as for “Automated
filters, so please see
section 4.1.2.
Figure 27 Manually entering points
4.1.3.3 Digitizing using the mouse
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If the selection is digitizing using the mouse and the menu “Input” -> “Digitize” is
selected, following dialog will show:
Figure 28 Digitizing using the mouse
The top left corner shows the current location of the mouse. This can be used to pick the
correct values. But first it must be chosen if it is an irregular field or a block that is to be
input. Once one of them is clicked, points can be digitized with the mouse. When the
outline is to be closed, same button must be hit for the system to proper close.
Only one irregular field but multiple blocks can be entered.
Once done, the “Save” button can be chosen to invoke the pick a name for the designed
field.
4.1.3.4 Digitizing using digitizer
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This is by far the most useful option. Here an X-ray can be put on the digitizer and the
desired outlines can be digitized very accurately. Likewise printouts from TPS can be
re-entered into the Autimo system for cutting.
NOTE: It is important that the proper serial port has been chosen, prior to invoking this
menu. Please see section 2.3.3
When selecting the menu “Input” -> “Digitize”, the following dialog is shown:
Figure 29 Digitize window
This window interacts with the digitizer. When there are choices to be made, they can
be selected with the keyboard OR the digitizer mouse. The choices are written on the
bottom of the screen. In this case, button #1 on the digitizer cursor is used to digitize
points. Button #2 is used to close an outline. Button #4 signifies a “Yes”, whereas #8
means “No” or deleting a point again.
Depending on the choices in the setup dialog (see 4.1.3.1) the program will request
different operations. But first, the operation is started by hitting “Start” button.
Enter center point
The program will respond with a message below the coordinate system of “Enter Center
Point”. This prompts the user to select the ISO-center point of the x-ray (which is proper
secured on the digitizer).
Enter point on positive X-axis
Now a point to the right of the center point is requested. This will allow the program to
take any rotation into account.
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Screen window bottom left
If the digitization of screen is chosen, the program will now request this. If not it will
continue to digitize the field size.
Pick a point on bottom left, just a bit more than the field.
Screen window top right
Now top right is to be selected. As before, pick a point that is beyond the field to be
digitized.
Change Field size bottom left
If the field size check box was checked, the program will now request the field size to
be digitized in. Otherwise it will bypass these two. Select the bottom left point of the
field size square.
Change Field size top right
Similar select the top right point of the field size.
“Do you want an irregular field?”
This is now posed as a question, if the check box was checked. If not, it will continue
past to digitizing blocks.
To skip it, press ‘8’ or ‘N’ on the keyboard, or simply the button #8 on the digitizer
mouse. To select to enter an irregular field, select “4” or “Y” on the keyboard, or
digitizer #4.
If yes is chosen, program prompts with:
“Irreg. Enter point 1”
Again hit #8 to skip, or #4 to continue. If #4 is chosen, the process can begin. Simply
put cursor on the line click. If holding button down, points are continuously sent to the
computer. Once almost back to the beginning, select button #2 to close the field. The
screen will now show a nice read outline:
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Figure 30 An irregular field was entered.
The screen prompts again for a “Do you want an irregular field”. There can only be one
irregular field, so if the first attempt was a failure, the program allows another go at it. If
content, simply hit button #8 as a No.
“Do you want to enter block #1?”
Again hit #8 to skip, or #4 to continue. If #4 is chosen, the process can begin. Simply
put cursor on the line click. If holding button down, points are continuously sent to the
computer. Once almost back to the beginning, select button #2 to close the field.
Now it prompts if another block is to be entered. Again using the same means of telling
the program which it is we can continue.
When done and we select “No” or the “Save” button is chosen in the dialog, we can
enter a filename for the digitized field and we are now ready to work with the filter.
4.1.4 Import filter from TPS
Importing from Treatment planning system is the most common way these days to get
filters in to the system for cutting.
The software hold various interfaces for planning system but the most used variant is
DicomRT since it is now supported by all TPS vendors.
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Import is done by selecting menu “Input” -> “Read TPS-data”, or the import button on
the speed bar. This will show the list of selected import options:
NOTE: If there
is
only
one
selected TPS, this
will not show but
go directly to the
import itself.
NOTE: To select
different TPS, see
section 2.3.1.
Figure 31 List of import options
4.1.4.1 Importing DicomRT files
When selecting the “Dicom RT” import option, the following dialog will show:
Figure 32 Importing Dicom RT data files
The dialog shows a list of the found and valid DicomRT filters in the selected import
folder. Note the patient names have been replaced with “#” as these are live, valid data.
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The folder is shown on the top and can be changed by pressing the “Select folder”
button.
On the left there are two options:
A check box allowing the system automatically to clean up after import. If checked, the
imported file will be removed from the system.
“Rotate using collimator” will use the collimator setting in the DicomRT filter to rotate
the filter accordingly.
To import a filter, simply select it and hit “Import selected file” or double-click on the
desired file.
The following dialog will show:
Figure 33 Dialog for saving filter file
All the information can be changed, either by directly entering them, or by choosing the
drop down list to the left of the entry. This will show the last 10 entries used.
The parameter set can also be changed by hitting the button to the right of it.
When satisfied, simply select “Save”.
If there are several filters in the file, this dialog will show multiple times.
Otherwise the main screen will show again, and the last saved filter will be selected and
ready for the next step.
4.1.4.2 Importing other TPS
The import from other TPS is similar, but does not show a list of valid files. It will
simply show a list of files, from which the desired is chosen and imported. The save
filter dialog remains the same.
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4.1.4.3 Import filter settings
There are settings for each of the TPS import. They can be invoked by right-clicking on
the desired TPS import list:
Figure 34 Import parameters
These parameters will allow the user to select the import behavior. In some cases, some
of the parameters like “Source tray distance” is not part of the import file, and must then
be edited in the save filter dialog. Another solution is to force it to pick from “parameter
file” or to set it to a fixed value.
Once saved, these parameters will be used to operate on the imported filter, allowing
less action from the user.
An import parameter set can be saved for each TPS allowing customizing each import.
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4.2 Making filter alterations
This section will explain the different tools available to manipulate the filters before
they are cut. In most cases neither of these are needed and therefor this chapter may be
skipped. In some cases alterations are needed, depending on the type of filter imported
into the system.
4.2.1 Rotate filters
Rotating filters might be needed in some cases. Note that if filter is imported, there are
options to allow this to be done automatically, if a fixed rotation is required, see section
4.1.4.3.
To perform a filter rotation, select menu “Modify blocks” -> “Rotate blocks”:
Simply insert the desired angle and hit
ok. Make sure the field is rotated as
well, by checking the box.
Figure 35 Rotating blocks
In all cases, the save as filter dialog will show:
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Figure 36 Save as filter dialog
A different filename can be chosen, to keep the original file, if desired. If left
unchanged, the file will be overwritten.
4.2.2 Mirror filters
Mirroring filters can be achieved by selecting the menu “Modify blocks” -> “Mirror
blocks”. Note that if this filter is from an import, there is a parameter that allows this
action to be performed automatic, see section 4.1.4.3.
The following dialog will show:
Clicking ok will show the result in
the save as dialog, where another
filename can be chosen.
Figure 37 Mirroring blocks
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4.2.3 Edit blocks
Editing blocks allows the user to manually edit each individual point of the filter. When
selecting the menu “Modify blocks” -> “Edit blocks” the following dialog will show:
NOTE: It is important to
understand that the filters
are to be used with live
patients and any alterations
will have direct impact on
the result of the treatment.
Any
mistake
here
is
transferrable to the patient!
Clicking on a point brings up
the ability to edit the particular
points.
Points can be deleted by
selecting it and hitting “Delete
point”.
Points can be inserted by
hitting the “Insert point”
button. This will insert a point
after the selected point.
Finally a new block can be
inserted, allowing the user to
add a full new block.
Figure 38 Editing block filter points
Hitting the “Save button” will bring up the “Save as” dialog.
4.2.4 Copy blocks
Copy blocks allows blocks from a different field to be inserted into the current selected
field. This can be used for several purposes:
- Add more fields to be cut on the same Styrofoam in one turn.
- Insert a form to cut around an irregular field
Selecting the menu “Modify blocks” -> “Copy blocks will bring the following dialog:
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Figure 39 Copy blocks function
A left and right window is shown. A different filter can be opened in any one of the
windows by selecting the “Select file” button below.
The green bar on the top shows which of the two windows is selected for use. “Change
active image” will change the selection but simply clicking on the desired side will too.
To choose a filter, click on the filter. It will turn green indicating it has been selected.
Clicking on the arrow keys between the two images (left or right) will copy the selected
filter to the other side.
Figure 40 A block copied from left to right
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Now the filter can be saved, by hitting the button below the image. Now a frame is cut
around the irregular filter so it can be poured.
NOTE: Another option of adding a frame around an irregular filter can be done by
using the parameter settings, see section 3.2.3.
This function holds a few more options:
- A selected block can be deleted from the image by selecting it, and hitting the
“flash” button in between the two images
- The location of the filter can be changed too, by hitting shift-M: This will allow
the selected block to be moved, using the 4 arrow buttons on the top right side of
the window. Hit Shift-M again to turn this off.
4.2.5 Change documentation
To change the documentation, select “Modify blocks” -> “Change documentation”.
Following dialog will show:
Figure 41 Change documentation dialog
It is possible to change the different documentation available.
4.2.6 Modify blocks
This entry allows more options in changing the block. It offers:
- Deleting points
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- Set new starting point
- Entering new points
- Moving (offsetting) points of the filter
- Setting cut lines, allowing easy removal of foam pieces
The dialog is invoked by hitting the menu “Modify blocks” -> “Modify blocks”:
Figure 42 Modify blocking filter dialog
- Save:
Will save the changed filter
- Cancel
Will exit without saving changes
- Reset display
Will reset the zoom and offset back to the values as when entering the dialog
- Save temporary
Will save the filter temporarily. This acts as a marker for the undo function.
- Undo
This will revert the changes back to the last temporary save, or if none, the original state
of the filter.
- Zoom:
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The zoom button allows the user to zoom in and out by clicking the left (zoom-in) or the
right mouse button (zoom-out). The zoom center is where the mouse cursor is placed, so
it is important to put the mouse cursor in the center of the zoom.
- Delete points
Points that are of excess can be deleted by choosing this function. Each time a point is
clicked in this mode, it is being removed. The point before and after the deleted point
will be connected.
- Break
This will open the contour up. The user is prompted to click a point and the first line
will be grayed out, indicating it is removed. The end points can now be moved by using
the rubber-band action. Additional points can be inserted by using the enter points
function.
- Enter Points
Only works with the break option above. Once the outline is broken, points can be
added simply by clicking on the location the point is needed.
- Rubber band
This will allow points to be moved from their original location.
- Set free-cut line
This function will allow a line to be inserted between two existing points in the outline.
In some filters, the cutouts can be difficult to remove due to the divergence of the cut.
Consider the filter below:
Figure 43 Filter where the cutout is difficult to separate from the foam
The divergence on the external square will force the removal of the cutout in only one
direction. The internal structure however, will due to the same reasons NOT allow the
extraction in the same direction. The only solution would be to cut the piece manually
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with a knife afterwards or force the separation, which could cause damage to the block
and therefore an incorrect cut out filter.
This option allows generating cut-lines which during the cut will be done allowing
easier separation. The figure below shows such cut lines:
Figure 44 Cut lines applied to the filter
- Delete all free cut lines
This will remove all the cut lines defined.
4.2.7 Change source film distance
The changing of source film distance is very critical to the block cutting process and
should not be altered, unless needed for Cobalt units etc.
When selecting menu “Modify Blocks” -> “Advanced” -> “Change source film
distance” this dialog will show:
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Figure 45 Change source film distance
Set the desired source film distance and hit Calculate. Then the scaling is done, and the
filter can be saved.
4.2.8 Copy irregular fields to blocks
If a normal block has been digitized or imported as an irregular field, this can be altered
by selecting “Modify Blocks” -> “Advanced” -> “Copy irregular fields to block”. This
menu will simply take the outline defined and convert it, without otherwise altering any
data. Invoking the menu, a dialog will show to pick the filter in question for conversion
and show the save as dialog allowing a change of name.
4.2.9 Copy block contour to irregular field
If an irregular filter has been imported or accidentally generated as a block, it can be
converted back again by using “Modify Blocks” -> “Advanced” -> “Copy block to
irregular field”. It will show a dialog to select a filter, then allow user to select a new
name for the resulting, irregular field.
4.2.10 Changing block parameters
All though this menu is located under “Cutting” this still will allow modification of only
the current selected filter. The parameters changed will only be changed for the current
filter. When another filter is loaded or imported, the default parameters will still be
active.
The menu “Calculate” -> “Change block parameters” offers access to any tab like
“General”, “Cutting”, “Irregular field”, “Field / Outer shape” and “Machine”.
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The reason to invoke this menu would be to remove an outline cut around an irregular
field, or alter the dimensions of the outline added.
For more information of the different options, see section 3.2.
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4.3 Cutting filter
The section explains the process of cutting filters. Once all the settings and changes
needed have been made as described in the previous sections, the filter is now ready to
be cut.
Before cutting the filter, there are a few options that can be of value, before the filter is
cut.
4.3.1 Cutting
To cut the filter, simply select menu “Cutting” -> “Cutting”. This will bring up the
following dialog:
Figure 46 Cutting filter dialog
It shows the selected block and field size.
On the bottom of the screen, it is shown that the path method is “Calculated center” and
the filter is cut with divergence. If desired, they can be altered from within the cutting
program.
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Another means of checking the filter before cutting would be to check the box “Show
cutting path”. It will change the display to following image:
Figure 47 Showing cutting path
A simulation of how the cut is performed, simply hit the button “Simulate cut”. The red
and blue lines will slowly progress how the cut is going to be performed.
To cut the filter, simply select the “Cutting” button.
First the connection to the unit is verified. If an issue occurs, an error is flagged. If this
happens, verify that the correct port is selected (see section 2.3.3) and that the correct
block cutting unit has been chosen (see section 2.3.2).
The block cutter will after initialization move to maximum Y-value, to show the user
how big a piece of Styrofoam is needed. It will then pause allowing time for insertion of
the foam block. Hit “Ok” when ready to cut.
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4.3.2 Cut simulation
The cutting simulation of how the cutting is being performed can also be seen if menu
“Cutting” -> “Cut simulation” is selected. It is the same as when cutting the filter.
4.3.3 Read blocks
A dialog showing the contents of the text file that holds all the information of the filter
is displayed. This is read only information and holds little interest during daily use.
4.3.4 Calculate cutting way
If the “Type of cutting path” is set to “Manual”, the menu “Cutting” -> “Calculate
cutting way” will show a dialog allowing the user to select the proper cutting path. Any
other setting of “Type of cutting path” this menu is ignored.
This is only provided for testing, as the dialog will automatically be invoked, when
cutting the filter is selected.
Figure 48 Dialog for selecting cutting path manually
This dialog it is simply requested to select the entry of the cutting.
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If multiple blocks exists, all blocks must be included when the cutting path is set.
It is however recommended to use the automatic cutting path.
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4.4 Plotting documentation
Printing out documentation on paper can have several benefits. First of all, it is a
verification that the cutout pieces are in fact corresponding to what they should be in
size. Secondly it can serve as documentation for patient case, and finally it can help as
identification for the staff, when the block is mounted on the tray.
Plotting information is quick and easy, but the setup is a bit trickier, as there are many
parameters to setup. Luckily there are already usable samples in the system that can be
modified to suit the needs.
The plotting of a field of blocks is done using the menu “Print” -> “Plot”.
This will bring up the following dialog:
Figure 49 Plot dialog showing plotter setup
The left entry is the plotting setup; the right entry is the printer/plotter where this is
output. The default plotter setup is chosen in the parameter file (see the section 3.2.5.),
but can be change in this dialog before printing.
4.4.1 Setting up plotter parameters
To edit the plotter parameters, select the menu “Print” -> “Plotter setup”
This will bring up the following dialog:
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Figure 50 Plotter setup dialog
From the top drop down box, the different available plotter setup can be chosen. Right
below is the selection of printer. To the left are the different parameter sections that can
be switched between. The bottom of the page holds the settings for each of the
mentioned areas.
For easier setup, it is recommended to use an existing setup that comes close to the
desired needs and then customizing. Using the “Save as” button, it can be stored under a
new name.
In the following, there are two settings that will repeatedly be available:
- Pen width:
The width of the pen (or thickness of the line drawn) is depending on this setting. It is
holding the thickness in mm. When using a plotter, this is not used as the printout is
based on the thickness of the plotter pen
- Pen color:
The pen color is selected from the list below. Setting a 5 as color will result in a blue
line.
1
: black
5
: blue
2
3
4
: red
: green
: yellow
6
: purple
7-9 : black
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When plotting directly on a shadow tray, this entry has another use:
1-6
11 - 16
21 - 26
31 - 36
41 - 46
: the contours are lines
: the contours are dots
: the contours are dashed lines
: the contours are dots (large distance)
: the contours are dots (very large distance)
It will change the type of line depending on the value. Especially the dotted lines are
important, as if plotting on a shadow tray with holes; the pen will get caught if using
lines.
4.4.1.1 Selecting printer / Plotter
Just below the plotter setup, the drop down for selecting the printing unit is shown. This
is the list of all printers with drivers installed on the system, but in addition is also holds
4 plotters, which have no driver associated with them. These 4 plotters are:
- Roland DXY-1150 / 1250 / 1350
- HP-Direct
- Roland – EGX 30
- Graphtec
These 4 plotters will all expect the data to be coming directly through the serial port and
must therefore be installed using the serial cable. Furthermore, it is important that the
plotter port setup is set correctly (see section 2.3.3).
These plotters are important as in later Windows systems; there are no driver for
example the Roland DXY series plotters. From Windows Vista and newer systems, the
driver is not available and therefore the plotter must be operated through the serial port.
4.4.1.2 Printing area
With these parameters you can control the dimensions of the print- / plot-area (active
plot-size) on the paper. The coordination-values (all values are positive) refer to the
sheet-zero-point, which is located in the upper left corner of the sheet.
In case of the direct plotting devices: these values refer to the center (negative and
positive values!)
Figure 51 Print area setup
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The button “Take from printer / plotter” works only for the printers with a driver, but
will populate the entries with the driver values.
4.4.1.3 Print center
The center of the plot is identical with the center-beam. It can be positioned with the
two coordinates (positive values for x-center and y-center in mm) on the sheet. These
coordinates refer also to the origin of the sheet (upper left corner). These values can also
be taken directly from the printer, in which case they are half of the page width and
height.
Figure 52 Printing center setup
For direct plotting: The origin of the sheet is located in the lower left corner; the values
of the center cannot be taken directly from the plotter. The correct adjustment of this
option is very important if you want to plot directly on the tray (plexi-plot).
4.4.1.4 Orientation
Either Portrait or Landscape printing can be chosen here.
Figure 53 Print orientation
4.4.1.5 Frame
If this is checked a frame will be printed around the paper, enclosing the print. It has no
relevance other than making it look nice.
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Figure 54 Frame setup
If checked the frame is printed, otherwise not. For the other values, see section 4.4.1.
4.4.1.6 Axis
The axis choice defines the center of the paper. The options are:
Figure 55 Axis plot options
- Small cross is only marking the center of the paper. A size of the cross can be
selected.
- Cross will draw a line across the full page
- Axis will draw a full line across the page AND draw tick-marks on the axis as a
ruler.
- Axis with grid as above, but indicate the grid as well.
It is important to consider what option to choose here, depending on the type of plot.
Using a laser printer the printing of axis with tick marks is fast, but using a plotter type,
it is recommended to choose cross type instead.
The color of the axis is the same as selected for the frame, see previous section.
4.4.1.7 Irregular field
Besides the obvious pen-width and color, a minimum and maximum box can be drawn
around indicating the full shape of the field.
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Figure 56 Irregular field setup
4.4.1.8 Blocks
Only width and color can be chosen here.
Figure 57 Options for block printing
4.4.1.9 Field
Field can be chosen to be plotted or not. Similarly pen-width and color can be chosen.
Figure 58 Field setup
4.4.1.10
Outer shape
If an outer shape has been added to the cut, it can also be included on the printout.
Similar as field size it can be turned on or off, width and color can be selected.
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Figure 59 Outer shape setup
4.4.1.11
Advanced settings
The advanced settings offers a mirroring of the printout. This can be used if plotting on
a shadow tray front is not physically possible. In this case, the back side can be used,
but the plot must be mirrored.
Additional you can enter a hint for a changed source tray distance (cm). This may be
necessary, if the tray is moved into another position (for example: 180° rotation; look at
the picture on page 61). For the value of the new source-tray-distance you have only to
enter the difference to the old value (e.g. -9cm). This value belongs to the thickness of
the tray plus the thickness of the used Styrofoam (block).
The final option enables you to rotate the block for a plot-out (sometimes it may be
necessary to make it fit on the paper or tray).
Figure 60 Advanced plotting settings
4.4.1.12
Filename and all following documentation
Options for plotting the filename can be seen in the following image:
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Figure 61 Options for plotting filename
First of all it can be turned on or off. Then the location of the plot is chosen. This refers
to the center of the paper, where the cross is being plotted. As indicated above, the plot
of the filename will be done in the lower left quadrant of the paper.
Finally color and font size can be chosen.
The right side of checkboxes is all similar to the setup of filename. Therefore they will
not be listed here other than by name:
- Patient name
- Patient ID
- Unit
- Collimator
- Gantry
- Date
- Source-Tray-Distance
- Plot-ratio
- Source-Film-Distance
4.4.2 Quick documentation print
A quick print of a page of documentation can be done by using “Plot” -> “Print
documentation”. It will bring up the dialog
to the left. The desired printer can be
chosen, along with orientation.
When hitting print, the following print will
be generated:
Figure 62 Print documentation
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Figure 63 Documentation print sample
4.4.3 Documentation on screen
Using menu “Print” -> “Documentation on screen” will show a dialog with the same
information as printed above, but for the shape. Instead it will show some statistics of
the field itself:
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Figure 64 Documentation on screen
4.4.4 Printing label
If a label printer is attached to the computer, a label can be printed with information that
identifies the patient and the field. Using the menu “Print” -> “Print label” will invoke
the generation of a label and send it to the printer.
4.4.4.1 Setting up label printing
Setting up the label printing is a bit more difficult as there has not been generated any
dialog for holding the kind of information.
It is necessary to edit the file manually using notepad. The file is called
“Label_druck.dat” and can be found in the c:\Autimo2d\Dat folder.
The content is looking like this:
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Figure 65 Contents of Label_druck.dat
The first line is the printer name taken from Windows. It is important that it matches the
name listed in Windows exactly, otherwise the print will fail.
Second line holds the font being used.
The following 7 lines holds each one line of documentation.
Each line has the same setup. The two values are the x- and y-coordinate in mm of the
position of the text. The third entry is the font size in mm.
Any following lines are discarded and can be used as scratchpad.
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5 Appendixes
5.1 Tray files
This section covers the generation of tray files. These files allow the visualization of the
shadow tray as a background when digitizing and modifying the filters. This can be of
advantage, as holes can be included for better mounting on the tray.
The files are stored in the Masch folder under c:\Autimo2d. Their extension is .pl. These
files are all text files and can be edited with notepad or any other text editor.
The following image shows the contents of an example:
Figure 66 Example of a tray
The format is quite strict:
- First line: number of holes. It is important that it does contain the correct number
of holes, as otherwise holes will be missed.
- Second line: distance between focus and tray (cm). This value is important for the
correct scale-factor when the drill-map is calculated.
- Additional lines: these values belong to one single drill: Each line there is a xcoordinate, y-coordinate and the radius (mm) of each hole displayed. The final
value is the depth of the hole. This has no meaning for the purpose here and can
be set to 1 as above.
The coordinates of the drill-holes refer to the position of the center-beam (positive /
negative values in mm).
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5.2 Cutting unit parameters
When selecting cutting unit, there are some parameters associated with the machine.
These are shown below.
Figure 67 Cutting unit parameters
- X- and Y-border. These are the distances from the origin of the hotwire, until it is
inside the foam block. Y-border is from bottom of machine X is from the back of
the machine.
- Distance left-axis to Styrofoam. This value is very important for the divergence
of the system. It tells the system where the rotation point for the hotwire is,
compared to the left side of the Styrofoam.
- Distance left to right axis of Styrofoam. Along with the above value it tells the
system the rotation point of the right axis compared to the bottom of the foam.
- Step width while cutting. This is the resolution of a step. Each time a step is sent,
this is the distance the axis travels. It is depending on stepper-driver, stepper
motor resolution and conversion from motor to linear movement.
- Switch on the fan. If checked, it will turn exhaust fan on, when hotwire is turned
on.
- External form divergence. Determines if external forms are cut with or without
divergence.
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