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Merge pull request #21021 from Ultimaker/CURA-12747_unable-to-slice
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CURA-12747 Fix unable to slice when using paint-on-seam first
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HellAholic 2025-10-07 15:35:59 +02:00 • committed by GitHub
commit 7331cef53a
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1 changed files with 7 additions and 4 deletions
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11
plugins/CuraEngineBackend/StartSliceJob.py
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@ -770,15 +770,18 @@ class StartSliceJob(Job):
node_texture = node.callDecoration("getPaintTexture")
texture_data_mapping = node.callDecoration("getTextureDataMapping")
if node_texture is not None and texture_data_mapping is not None and "extruder" in texture_data_mapping:
texture_image = node_texture.getImage().copy()
image_ptr = texture_image.bits()
texture_image = node_texture.getImage()
image_ptr = texture_image.constBits()
image_ptr.setsize(texture_image.sizeInBytes())
image_size = texture_image.height(), texture_image.width()
image_array = numpy.frombuffer(image_ptr, dtype=numpy.uint32).reshape(image_size)
bit_range_start, bit_range_end = texture_data_mapping["extruder"]
image_array = (image_array << (32 - 1 - (bit_range_end - bit_range_start))) >> (32 - 1 - bit_range_end)
used_extruders = numpy.unique(image_array).tolist()
full_int32 = 0xffffffff
bit_mask = (((full_int32 << (32 - 1 - (bit_range_end - bit_range_start))) & full_int32) >> (
32 - 1 - bit_range_end))
used_extruders = (numpy.unique(image_array & bit_mask) >> bit_range_start).tolist()
# There is no relevant painting data, just take the extruder associated to the model
if not used_extruders: