63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
from tclCommands.TclCommand import *
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class TclCommandAddPolygon(TclCommandSignaled):
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"""
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Tcl shell command to create a polygon in the given Geometry object
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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 = ['add_polygon', 'add_poly']
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description = '%s %s' % ("--", "Creates a polygon in the given Geometry object.")
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# dictionary of types from Tcl command, needs to be ordered
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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 , this is for options like -optionname value
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option_types = collections.OrderedDict()
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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': "Creates a polygon in the given Geometry object.",
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'args': collections.OrderedDict([
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('name', 'Name of the Geometry object to which to append the polygon.'),
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('xi, yi', 'Coordinates of points in the polygon.')
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]),
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'examples': [
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'add_polygon <name> <x0> <y0> <x1> <y1> <x2> <y2> [x3 y3 [...]]'
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]
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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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name = args['name']
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obj = self.app.collection.get_by_name(name)
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if obj is None:
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self.raise_tcl_error("Object not found: %s" % name)
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if obj.kind != 'geometry':
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self.raise_tcl_error('Expected Geometry, got %s %s.' % (name, type(obj)))
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if len(unnamed_args) % 2 != 0:
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self.raise_tcl_error("Incomplete coordinates.")
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nr_points = int(len(unnamed_args) / 2)
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points = [[float(unnamed_args[2*i]), float(unnamed_args[2*i+1])] for i in range(nr_points)]
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obj.add_polygon(points)
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