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Speed up slicing

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fieldOfView 2018-02-17 23:35:31 +01:00
parent 9080d9cf73
commit e63e60fff8
1 changed files with 3 additions and 2 deletions
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5
plugins/BlackBeltPlugin/BlackBeltPlugin.py
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@ -252,12 +252,13 @@ class BlackBeltDecorator(SceneNodeDecorator):
machine_depth = global_stack.getProperty("machine_depth", "value")
matrix = Matrix()
matrix.setColumn(1, [0, 1 / math.tan(self._gantry_angle), 1, (machine_depth / 2) * (2 - math.cos(self._gantry_angle))])
matrix.setColumn(1, [0, 1 / math.tan(self._gantry_angle), 1, (machine_depth / 2) * (1 - math.cos(self._gantry_angle))])
matrix.setColumn(2, [0, - 1 / math.sin(self._gantry_angle), 0, machine_depth / 2])
self._transform_matrix = matrix
# The above magic transform matrix is composed as follows:
"""
import numpy
matrix_data = numpy.identity(4)
matrix_data[2, 2] = 1/math.sin(self._gantry_angle) # scale Z
matrix_data[1, 2] = -1/math.tan(self._gantry_angle) # shear ZY
@ -276,7 +277,7 @@ class BlackBeltDecorator(SceneNodeDecorator):
# bottom face has origin at the center, front face has origin at one side
matrix.translate(Vector(0, - math.sin(self._gantry_angle) * machine_depth / 2, 0))
# make sure objects are not transformed to be below the buildplate
matrix.translate(Vector(0, 0, machine_depth))
matrix.translate(Vector(0, 0, machine_depth / 2))
self._transform_matrix = matrix
"""