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- import math
- import core
- from drawer.BaseDrawer import VentGraphDrawer
- class FanLocalDrawer(VentGraphDrawer):
- def initialize_data(self):
- pass
- def draw_obj(self,center,route):
-
- rad = 0.5 * self.obj.width
- self.msp.add_circle(center=center, radius=rad, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- a1 = center[0], center[1] + rad
- a2 = center[0], center[1] + rad * 3 / 2
- a3 = center[0] + rad * 1 / 2, center[1] + rad * 3 / 2
- a1 = core.rotate_point_around_another(a1, center, route)
- a2 = core.rotate_point_around_another(a2, center, route)
- a3 = core.rotate_point_around_another(a3, center, route)
- self.msp.add_line(a1, a2, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- self.msp.add_line(a2, a3, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- a4 = core.rotate_point_around_another(a1, center, -2/3*math.pi)
- a5 = core.rotate_point_around_another(a2, center, -2/3*math.pi)
- a6 = core.rotate_point_around_another(a3, center, -2/3*math.pi)
- self.msp.add_line(a4, a5, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- self.msp.add_line(a5, a6, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- a7 = core.rotate_point_around_another(a1, center, 2/3*math.pi)
- a8 = core.rotate_point_around_another(a2, center, 2/3*math.pi)
- a9 = core.rotate_point_around_another(a3, center, 2/3*math.pi)
- self.msp.add_line(a7, a8, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
- self.msp.add_line(a8, a9, dxfattribs={"layer": f"图层{self.obj.layer_id}"})
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