src/PythonAPI/model/sketcher/arc.py

   1 """Sketch circle feature interface."""
   2
   3 from GeomDataAPI import geomDataAPI_Point2D
   4 from model.errors import WrongNumberOfArguments
   5
   6 class Arc():
   7     """Interface for editing a sketch arc feature."""
   8     def __init__(self, arc_feature, *args):
   9         self._feature = arc_feature
  10         self._center = geomDataAPI_Point2D(
  11             self._feature.data().attribute("ArcCenter")
  12             )
  13         self._start_point = geomDataAPI_Point2D(
  14             self._feature.data().attribute("ArcStartPoint")
  15             )
  16         self._end_point = geomDataAPI_Point2D(
  17             self._feature.data().attribute("ArcEndPoint")
  18             )
  19         if len(args) == 6:
  20             self.__createByCoordinates(*args)
  21         elif len(args) == 3:
  22             self.__createByPoints(*args)
  23         else:
  24             raise WrongNumberOfArguments(
  25                 "Arc takes 3 or 6 arguments (%s given)" % len(args)
  26                 )
  27
  28     def centerData(self):
  29         """Return the center point data."""
  30         return self._center
  31
  32     def startPointData(self):
  33         """Return the start point data."""
  34         return self._start_point
  35
  36     def endPointData(self):
  37         """Return the end point data."""
  38         return self._end_point
  39
  40     def result(self):
  41         """Return the arc circular line attribute."""
  42         return self._feature.lastResult()
  43
  44     ########
  45     #
  46     # Private methods
  47     #
  48     ########
  49
  50     def __createByCoordinates(self, center_x, center_y,
  51                               start_x, start_y,
  52                               end_x, end_y):
  53         """Create an arc by point coordinates."""
  54         self._center.setValue(center_x, center_y)
  55         self._start_point.setValue(start_x, start_y)
  56         self._end_point.setValue(end_x, end_y)
  57         self._feature.execute()
  58
  59     def __createByPoints(self, center, start, end):
  60         """Create an arc with point objects."""
  61         self._center.setValue(center.x(), center.y())
  62         self._start_point.setValue(start.x(), start.y())
  63         self._end_point.setValue(end.x(), end.y())
  64         self._feature.execute()
  65
  66
  67
  68
  69