129 lines
5.0 KiB
Python
129 lines
5.0 KiB
Python
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from ObjectCollection import *
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from tclCommands.TclCommand import TclCommandSignaled
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class TclCommandGeoCutout(TclCommandSignaled):
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"""
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Tcl shell command to cut holding gaps from geometry.
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"""
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# array of all command aliases, to be able use old names for backward compatibility (add_poly, add_polygon)
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aliases = ['geocutout']
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# Dictionary of types from Tcl command, needs to be ordered.
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# For positional arguments
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arg_names = collections.OrderedDict([
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('name', str)
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])
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# Dictionary of types from Tcl command, needs to be ordered.
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# For options like -optionname value
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option_types = collections.OrderedDict([
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('dia', float),
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('margin', float),
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('gapsize', float),
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('gaps', str)
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])
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# array of mandatory options for current Tcl command: required = {'name','outname'}
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required = ['name']
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# structured help for current command, args needs to be ordered
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help = {
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'main': "Cut holding gaps from geometry.",
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'args': collections.OrderedDict([
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('name', 'Name of the geometry object.'),
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('dia', 'Tool diameter.'),
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('margin', 'Margin over bounds.'),
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('gapsize', 'Size of gap.'),
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('gaps', 'Type of gaps.'),
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]),
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'examples': [" #isolate margin for example from fritzing arduino shield or any svg etc\n" +
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" isolate BCu_margin -dia 3 -overlap 1\n" +
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"\n" +
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" #create exteriors from isolated object\n" +
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" exteriors BCu_margin_iso -outname BCu_margin_iso_exterior\n" +
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"\n" +
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" #delete isolated object if you dond need id anymore\n" +
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" delete BCu_margin_iso\n" +
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"\n" +
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" #finally cut holding gaps\n" +
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" geocutout BCu_margin_iso_exterior -dia 3 -gapsize 0.6 -gaps 4\n"]
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}
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def execute(self, args, unnamed_args):
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"""
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execute current TCL shell command
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:param args: array of known named arguments and options
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:param unnamed_args: array of other values which were passed into command
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without -somename and we do not have them in known arg_names
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:return: None or exception
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"""
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# How gaps wil be rendered:
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# lr - left + right
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# tb - top + bottom
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# 4 - left + right +top + bottom
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# 2lr - 2*left + 2*right
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# 2tb - 2*top + 2*bottom
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# 8 - 2*left + 2*right +2*top + 2*bottom
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name = args['name']
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obj = None
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def subtract_rectangle(obj_, x0, y0, x1, y1):
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pts = [(x0, y0), (x1, y0), (x1, y1), (x0, y1)]
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obj_.subtract_polygon(pts)
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try:
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obj = self.app.collection.get_by_name(str(name))
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except:
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self.raise_tcl_error("Could not retrieve object: %s" % name)
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# Get min and max data for each object as we just cut rectangles across X or Y
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xmin, ymin, xmax, ymax = obj.bounds()
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px = 0.5 * (xmin + xmax)
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py = 0.5 * (ymin + ymax)
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lenghtx = (xmax - xmin)
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lenghty = (ymax - ymin)
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gapsize = args['gapsize'] + (args['dia'] / 2)
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if args['gaps'] == '8' or args['gaps'] == '2lr':
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subtract_rectangle(obj,
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xmin - gapsize, # botleft_x
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py - gapsize + lenghty / 4, # botleft_y
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xmax + gapsize, # topright_x
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py + gapsize + lenghty / 4) # topright_y
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subtract_rectangle(obj,
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xmin - gapsize,
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py - gapsize - lenghty / 4,
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xmax + gapsize,
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py + gapsize - lenghty / 4)
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if args['gaps'] == '8' or args['gaps'] == '2tb':
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subtract_rectangle(obj,
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px - gapsize + lenghtx / 4,
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ymin - gapsize,
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px + gapsize + lenghtx / 4,
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ymax + gapsize)
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subtract_rectangle(obj,
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px - gapsize - lenghtx / 4,
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ymin - gapsize,
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px + gapsize - lenghtx / 4,
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ymax + gapsize)
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if args['gaps'] == '4' or args['gaps'] == 'lr':
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subtract_rectangle(obj,
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xmin - gapsize,
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py - gapsize,
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xmax + gapsize,
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py + gapsize)
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if args['gaps'] == '4' or args['gaps'] == 'tb':
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subtract_rectangle(obj,
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px - gapsize,
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ymin - gapsize,
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px + gapsize,
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ymax + gapsize)
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