diff options
Diffstat (limited to 'CSXCAD/matlab/export_excellon.m')
| -rw-r--r-- | CSXCAD/matlab/export_excellon.m | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/CSXCAD/matlab/export_excellon.m b/CSXCAD/matlab/export_excellon.m new file mode 100644 index 0000000..8877fcd --- /dev/null +++ b/CSXCAD/matlab/export_excellon.m @@ -0,0 +1,144 @@ +function export_excellon( CSX, filename, options ) +% export_excellon( CSX, filename, options ) +% +% Exports the geometry defined in CSX to filename as an excellon drill file. +% Only cylinders will be considered for export. +% The xy-plane is exported. +% +% CSX: CSX-object created by InitCSX() +% filename: export filename (e.g. '/tmp/export.gbr') +% options (optional): struct +% .header: (string) add this to the header of the file +% comment line must have ';' as the very first character +% .exclude: (cell array) ignore these CSX-properties +% .include: (cell array) include only these CSX-properties +% if neither .exclude or .include is specified, process all properties +% +% See also InitCSX +% CSXCAD matlab interface +% ----------------------- +% author: Sebastian Held <sebastian.held@gmx.de> +% 26. Aug 2010: initial version + + +if nargin < 3 + options = []; +end + +fid = fopen( filename, 'w' ); + +% create header +header = []; +header = [header 'M48\n']; +header = [header '; EXCELLON file written by CSXCAD\n' ]; +header = [header '; ' datestr(now) '\n' ]; +header = [header 'METRIC,LZ\n']; +header = [header 'VER,1\n']; +header = [header 'FMAT,1\n']; + +if isfield(options,'header') + header = [header options.header]; +end + +% determine the drawing unit +options.drawingunit = CSX.RectilinearGrid.ATTRIBUTE.DeltaUnit; + +if isfield(CSX.Properties,'Material') + % process material + Material = CSX.Properties.Material; + options.Property = 'Material'; + [tools,drill] = process_primitives( Material, options ); +end +if isfield(CSX.Properties,'Metal') + % process PEC + Metal = CSX.Properties.Metal; + options.Property = 'Metal'; + [tools_,drill_] = process_primitives( Metal, options ); + tools = unique( [tools tools_] ); + drill = [drill drill_]; +end + +% check the generated tools +[~,m] = unique( cellfun( @(x) x(1:3), tools, 'UniformOutput', 0 ) ); +if length(m) ~= numel(tools) + disp( 'the tool list is not unique:' ); + disp( tools ); + error( 'the tool list is not unique!' ); +end +a = unique( cellfun( @(x) x(4), tools, 'UniformOutput', 0 ) ); +if (length(a) > 1) || (a ~= 'C') + disp( 'the tool list has errors:' ); + disp( tools ); + error( 'the tool list has errors!' ); +end + +% convert cell array of strings to string +tools = char(cellfun( @(x)[x '\n'], tools )); +drill = char(cellfun( @(x)[x '\n'], drill )); + +% save the file +fprintf( fid, header ); +fprintf( fid, tools ); +fprintf( fid, '%s\n', 'M95' ); % end of program header +fprintf( fid, drill ); +fprintf( fid, '%s\n', 'M00' ); % end +fclose( fid ); + + +% ----------------------------------------------------------------------------- +function str = coord(v) +% str = coord(v) +% 2D-vector v takes coordinates in unit m +x = sprintf( '%.3f', v(1)*1e3 ); % mm +y = sprintf( '%.3f', v(2)*1e3 ); % mm +str = ['X' x 'Y' y]; + +% ----------------------------------------------------------------------------- +function [tool,drill] = primitive_cylinder( CSX_cylinder, drawingunit ) +start = [CSX_cylinder.P1.ATTRIBUTE.X CSX_cylinder.P1.ATTRIBUTE.Y] * drawingunit; +stop = [CSX_cylinder.P2.ATTRIBUTE.X CSX_cylinder.P2.ATTRIBUTE.Y] * drawingunit; +radius = CSX_cylinder.ATTRIBUTE.Radius * drawingunit; +if start(1:2) == stop(1:2) + % via in z-plane + dia_mm = radius * 2 * 1e3; % mm + tool = sprintf( 'T%02iC1.3f', round(dia_mm*10), dia_mm ); + drill = sprintf( 'T%02i\n%s', round(dia_mm*10), coord(start(1:2)) ); +else + disp( 'omitting primitive cylinder, because the projection onto the z-plane is not a circle' ); +end + + +% ----------------------------------------------------------------------------- +function [tools,drill] = process_primitives( prop, options ) +exclude = {}; +if isfield(options,'exclude'), exclude = options.exclude; end +for num=1:numel(prop) + Name = prop{num}.ATTRIBUTE.Name; + if any( strcmp(Name,exclude) ) + disp( ['omitting ' Name '...'] ); + continue + end + if isfield(options,'include') + include = options.include; + if ~any( strcmp(Name,include) ) + disp( ['omitting ' Name '...'] ); + continue + end + end + + tools = {}; + drill = {}; + + disp( ['processing ' prop{num}.ATTRIBUTE.Name '...'] ); + fprintf( fid, '%s\n', ['%LN' Name '*%'] ); + if isfield(prop{num}.Primitives,'Cylinder') + for a=1:numel(prop{num}.Primitives.Cylinder) + % iterate over all cylinders + Cylinder = prop{num}.Primitives.Cylinder{a}; + [tool,drill_] = primitive_cylinder( fid, Cylinder ); + tools = [tools tool]; + drill = [drill drill_]; + end + end +end + |