it worked great in ubuntu linux how would you do the same with different layers? so if I had a pic and wanted it on the copper layer then to put this silkscreen over it. that way I would have 3 tones. Or absence of solder mask would give me 4.
--- In [email protected], "raoulduke_esq" <raoulduke_...@...> wrote: > > I'm sorry, I didn't mean to be cryptic. Below is the latest version of my > awk script. For non-Unix/Linux people, "awk" is a scripting language written > many, many years ago and named for the initials of the three guys who > initially developed it (Aho, Weinberger and Kernighan - names that should be > familiar to old CS types). > > Awk is part of the base user installation for Unix & Linux, of pretty much > all flavors. I can't speak for OS/X but I'd guess that if you have a shell > in a window, you've got awk. For the Windows crowd, I guess your best option > is to install Cygwin and make sure you get awk with it. > > The addition of the first line is just an old Unix/Linux trick based on the > concept of a "magic number" which is a signature in the first few bytes used > to identify the contents of files. Note that this concept is foreign to MS > where the file name extension (after the '.') is supposed to provide all the > information about the file type. Since this is prone to error, and really > ineffective at documenting file contents, I prefer the Unix/Linux "magic > number" route. In this case, the magic number is "#!" ("shebang") which > indicates that it is a script file, followed by the program to be used to > interpret the script file. By marking the file as executable you can execute > it from the command line. When you try to run the script, the loader first > checks the magic number to determine what kind of executable it is (for > example, it will fail to load a binary program compiled for a different > computer or operating system), it sees the signature for the script and > executes the specified interpreter instead (in this case /usr/bin/awk), > passing the script to it. > > What does this long winded historical explanation mean? I was just trying to > save you from having to type: > > awk -f reformat.awk logo.bmp > logo.tmp > > and reduce it to: > > ./reformat.awk logo.bmp > logo.tmp > > (For the observant, the "./" in front of the script is because we all know > that you never include "." in your PATH environment variable - to avoid this, > place the script in a convenient directory where you keep your other > executables). > > I'll attach my latest version below, which includes a few changes to deal > with extra whitespace allowed by the informal specification of PNG files. I > hope that this is able to help a few people. I've been plinking away at a > Perl script but my Perl is far more rusty than my awk. Sorry about End Of > Line (EOL) problems - it's not something that I worry about since I left > Windoze far, far behind me. > > raoul > > --- In [email protected], "josh_eeg" <josheeg@> wrote: > > > > I am confused now... does that make things run with less user input or make > > it output the logo correctly? > > If it is a working script could it be uploaded here or somewhere for others? > > > > Do I run that line in the command prompt? > > > > --- In [email protected], "raoulduke_esq" <raoulduke_esq@> wrote: > > > > > > For fun, make the first line of the awk script: > > > > > > #!/usr/bin/awk -f > > > > > > (obviously use the path to your awk). Change the (I call it > > > reformat.awk) script mode to executable and you can now: > > > > > > >./reformat.awk logo.pbm >> logo.mod > > > > > > And you're half way there - just edit to move the DS lines before > > > $EndMODULE and you're done. > > > > > > > > > raoul > > ---------------------------- Cut Here ------------------------- > #!/usr/bin/awk -f > # This script will take an ASCII (also called "plain") PBM image file and > # convert it to a series of "DS" (Draw Segment) statements in PCBNEW syntax. > # The X & Y axis step size is defined in "step" which is in uints of 1/10 > # mil (from the PCBNEW spec). The PCB layer for the DS segments is currently > # set to 21, the component layer silkscreen but you can change that. You > # can also swap bg & fg based on whether black or white is the foreground. > # > # State 0 : look for magic number - must be P1 (can be P4 for raw file) > # State 1 : look for height & width > # State 2 : process data > # State 3 : done with data - skip the rest > # > BEGIN { state = 0; step = 40; layer = 21; fg = "1"; bg = "0"; } > {if (NR == 1) { > state = 1; > if ($1 != "P1") { > printf("Must supply an ASCII PBM image file\n"); > exit 1 > } > next; > } > } > /^#/ { next } # Comment line, skip it > {if (state == 1) { > if (NF < 2) next; # Skip empty lines too > width = $1; > height = $2; > if ((width < 1) || (height < 1)) { > printf("Invalid width or height\n"); > exit 1 > } > buff = ""; > state = 2; > Y = - ((step * height) / 2); > initX = - ((step * width) / 2); > next; > } > } > {if (state == 2) { > gsub( "[[:space:]]", "" ); > buff = buff $0; > if (length( buff ) >= width) { > scanline = substr( buff, 1, width ); > buff = substr( buff, width + 1 ); > Y += step; > X = initX; > while ( Z1 = index( scanline, fg )) { > scanline = substr( scanline, Z1 ); > Z2 = index( scanline, bg ); > if (Z2 == 0) > Z2 = length( scanline ) + 1; > scanline = substr( scanline, Z2 ); > Z1 = step * Z1 + X; > Z2 = step * Z2 + Z1 - 2 * step; > X = Z2; > printf( "DS %d %d %d %d %d %d\n", Z1, Y, Z2, Y, step, layer ); > } > height--; > if (height == 0) > state = 3; > } > } > } > {if (state == 3) { nextfile; }} > ---------------------------- Cut Here ------------------------- >
