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The gbr2tiff program is often run from the command line. The complete syntax and options are shown below. Note that there are no breaks in the command line - the breaks shown below are only for clarity.
gbr2tiff.exe
gbrfile(s)
[-xf xformfile]
[ -tiff:outputfile | -bmp:outputfile | -ps2:outputfile | -bitmap:outputfile ]
[other_options]
where
gbr2tiff the gbr2tiff program
gbrfile the Gerber file to be ripped
-xf:xformfile optional; name of an ascii file contain
transform parameters for mirroring, rotation
and scaling.
The following output types are available (outtype:filename) Select one:
-tiff:outputfile output file in 1 bit tiff; uncompressed
-pack:outputfile output file is 1 bit tiff; packbits compression.
-bmp::outputfile output in Windows BMP (monochrome)
-bitmap:outputfile output is raw bitmap (uncompressed)
-bigtiff Turn on Big TIFF.
[other options] if these are used as command line arguments then they
supersede the same directive in the xform file.
-ram:R use R as the raster buffer size (Mb) default=32M
-units: {inch | mm} specifies xformfile units
with the exception of Resolution (DPI)
which is always in inches
(aliases -inch, -mm)
-dpi:DPI dots per inch (fractions OK)
or
-dpm:DPM dots per millimeter (fractions OK)
or
-pixelsize:P diameter of pixel (units will be inch or
mm based on -units value)
-dpx:[DPX] indicates the integral reduction of DPI in X
-dpy:[DPY] indicates the integral reduction of DPI in Y
-inverse output image polarity is reversed (bits are flipped)
-reverse remaps the BMP color table to reverse darkest/lightest
-super:[ 2 | 4 | 8 | 16 ] super sample output
-super:18 monochrome TIFF or BMP but using 8 bits per pixel.
-super:28 super sample output 2x2 and each byte corresponds to one
pixel (-tiff). -super:2, each byte contains 4 pixels.
-super:48 super sample output 4x4 and each byte corresponds to one
pixel (-tiff). -super:4, each byte contains 2 pixels.
-rle BMP for GREYSCALE output with RLE8 compression
-bmp4gb output is Windows BMP to avoid 4GB limit (avoids the check
for file and image sizes and writes "0" into the BMP header
fields that hold the image and file size.
-color[:2 | 16 | 256] set BMP output to 2, 16, or
256 greyscale modes (BMP only)
-greylevel:L,H,D specify min grey value to be L, max value to be H,
and that of drill files to be D (only valid for -super:16)
-add {GerberDrillFile} add GerberDrillFile to base image (to be used in
conjunction with -super:16 and -greylevels)
-asizeup:X size aperture info up by X units
-rotate:A rotate image A degrees (alias -rA)
(when using -imagesize -rotate:auto is valid)
-scale:X[,Y][@P,Q] scale data by X and Y in the x
and y directions respectively
(optionally about the point P,Q)
(default: X = Y) (alias -sX)
-shift:X,Y translate data by X and Y
(incompatible with -wplot)
-xmirror:X reflect data about the line x = X
(-wplot implies simple X mirror, i.e. -mirror:x)
-ymirror:Y reflect data about the line y = Y
(-wplot implies simple Y mirror, i.e. -mirror:y)
-drawadj:A same as above except the amount of adjustment
is user specified. (Units based on value in
transform file, or delineated on command line)
-step:Nx,Ny,Dx,Dy arrays data in an Nx by Ny rectangular
array with spacing of Dx and Dy
-wplot x0,y0 x1,y1 rasterize data in the window from x0,y0(LL)
to x1,y1(UR)
or
-wplot @filename where filename is an ascii text file that
contains a number lines and each line has
the window's corner coordinates:
LLx,LLy URx,URy Requires multi-window
license.
-pause don't run right away, wait for user intervention.
requires -status
-status run visibly.
-logcalls record the calls to setupFunc to plot.log
for debugging purposes.
-nopad do not pad tiff output to the nearest byte.
-noplot do not create any output, rip data only;
for debugging purposes.
-scanonly do not create any output, scan
input GERBER file only
-aw auto window data (overrides -wplot parameters).
-aw:L,R,T,B auto window data with margins where L, R, T and B
are the margins on the left, right, bottom, and
top (don't use with -margin).
-margin:X provide a border of X units (used in conjunction
with -wplot or -aw).
-margin:L,R,B,T provide a border where each side (L=left, R=Right,
B=bottom and T=top) is independently set by
the user.
-threshold:N,N,N Associated with super sampling (-super:2, -super:4,
-super:8, -super:16).
The output is always 2 bits per sample.
Engine Arguments arguments that follow -engargs do not affect
GBR2TIFF but are passed to the gbrplt.dll
argument list.
-engargs
-novalidate turns off input file validation.
-compensate compensate G36/G37 data by 1/2 pixel (implies validation, same as -contours)
if -compensate is used, it forces validation also.
-thrnum:N Use multiple threads for faster rasterization.
Requires additional key codes.
-msgcbs suppress popups and make use of
message callbacks instead
-keep do not delete temporary files
-logmem report memory statistics to plot.log
-loglibs log library usage to plot.log
-drawadj[:V] "uncompensate" trace data by Value when compensating contour data
-slant_adjust Turn ON corrections for round ended linear draws when the slope of a trace was between -20 and 20 degrees.
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