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Speed up building of the layerdata mesh

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Use numpy copies rather than python iteration since it is far faster.

Contributes to CURA-224
This commit is contained in:
Arjen Hiemstra 2015-11-03 11:05:28 +01:00
parent 98d2acaba7
commit 75b8466065
1 changed files with 5 additions and 8 deletions
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13
plugins/CuraEngineBackend/LayerData.py
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@ -63,6 +63,7 @@ class LayerData(MeshData):
offset = data.build(offset, vertices, colors, indices)
self._element_counts[layer] = data.elementCount
self.clear()
self.addVertices(vertices)
self.addColors(colors)
self.addIndices(indices.flatten())
@ -198,18 +199,14 @@ class Polygon():
def build(self, offset, vertices, colors, indices):
self._begin = offset
self._end = self._begin + len(self._data) - 1
color = self.getColor()
color.setValues(color.r * 0.5, color.g * 0.5, color.b * 0.5, color.a)
color = numpy.array([color.r, color.g, color.b, color.a], numpy.float32)
for i in range(len(self._data)):
vertices[offset + i, :] = self._data[i, :]
colors[offset + i, 0] = color.r
colors[offset + i, 1] = color.g
colors[offset + i, 2] = color.b
colors[offset + i, 3] = color.a
self._end = self._begin + len(self._data) - 1
vertices[self._begin:self._end + 1, :] = self._data[:, :]
colors[self._begin:self._end + 1, :] = color
for i in range(self._begin, self._end):
indices[i, 0] = i