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SettingsThere are lots of parameters that the user sets to run NETEX-G; their values are stored in this section of the job file. It is a good idea to save the job file for each analysis since you can later load it and repeat the results. A sample settings file is shown below. Comments are in italics and are not part of the file.B_SETTINGS WINDOW -16.130 -16.130 16.130 16.130 WORKDIR "C:\project\working" OUTPUTDIR "C:\project\output" MAXPOINTS 2000 ARCRESOLUTION 6.000000 CHORDERROR 0.010000 SMOOTHING 0.010000 SLIVER 0.005000 POLYOUTPUT LEONOV NODETEXTHEIGHT 0.010000 NODETEXTOFFSET 50 STRINGMATCHING DOS PROXSMOOTHING 0.000000 OUTPUTFORMAT ANSOFT OUTPUTFILE "C:\project\output\t3.anf" WIREBOND 1 GBR "C:\project\WIRE.GBR" WIREBOND 2 GBR "C:\project\WIRE_VSS.GBR" E_SETTINGS B_SETTINGS - defines the beginning of the settings section WINDOW - defines the data clipping window; two coordinate pairs - Xmin Ymin Xmax Ymax WORKDIR - the working directory where NETEX-G will write a large number of temporary and intermediate files. OUTPUTDIR - the default directory for the output files - whether ANF, DXF, EGS or ASCII. MAXPOINTS - the maximum number of vertices allowed in an output polygon. If a polygon is formed that exceeds this max, it is broken down into enough polygons so that none exceed the maximum. ARCRESOLUTION - resolution in degrees used when breaking arcs/circles into polygon. CHORDERROR - max error between the ideal arc and the approximation. You can use this parameter instead of ARCRESOLUTION as it uses more vertices for large radii arcs and less vertices for smaller radii arcs. SMOOTHING - if smoothing is set to a non-zero value, the output polygons will be tested and any vertices that are closely spaced (i.e. their spacing is less than the smoothing value) are dropped. This keeps down the complexity of the output polygons. SLIVER - sometimes during the boolean process, small pieces of metal are slivered off due to numerical noise or approximations. These can be deleted if they are smaller than the sliver parameter. POLYOUTPUT - type of output polygons. There are three types - Leonov, where inner polygons can exist and are "negative; CUTLINE where islands are defined using cutlines that enter and exit the polygon by the same path; NOCUTLINE where islands are defined by breaking the polygon surrounding the island into two or more separate polygons that butt up (touch but don't overlap) NODTEXTHEIGHT - height of node text labels (this applies to GDSII, DXF and EGS output. It has no use for ANF or ASCII output. NODETEXTOFFSET - layer offset for node text labels: i.e. if the node is labeling metal on stackup 3 and the offset = 50 then the text will be placed on layer 53. Applies to DXF, GDSII and EGS outputs. STRINGMATCHING - wild cards and regular expressions can be used to define net names to extract. If setting = DOS then conventional DOS style wildcards are supported. If setting = REGXP then full UNIX regular expression parsing is used. PROXSMOOTHING - often the user wishes to reduce the complexity of the proximity net and a separate (typically larger value) of smoothing can be assigned to the proximity net. OUTPUTFORMAT - NETEX-G supports different output formats: GDSII, ASCII, DXF, ANSOFT and EGS. OUTPUTFILE - name of the output file to create. This can include a full path which would then override the OUTPUTFILE setting. WIREBOND - used to load Gerber files that define wirebonds. First entry is the stackup position, second is the type of data (GBR or AIF), third is the filename/path of the appropriate file to load. E_SETTINGS - closes the settings section. |
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JOB File Syntax: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
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