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Rewrite code style of _getScaleFromUnit

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It should be much more readable now.

Discovered while investigating #3847.
This commit is contained in:
Ghostkeeper 2018-06-28 15:54:22 +02:00
parent eca855c8c2
commit 0cb6e506d2
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1 changed files with 20 additions and 20 deletions
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40
plugins/3MFReader/ThreeMFReader.py
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@ -1,6 +1,7 @@
# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import Optional
import os.path
import zipfile
@ -168,6 +169,8 @@ class ThreeMFReader(MeshReader):
archive = zipfile.ZipFile(file_name, "r")
self._base_name = os.path.basename(file_name)
parser = Savitar.ThreeMFParser()
with open("/tmp/test.xml", "wb") as f:
f.write(archive.open("3D/3dmodel.model").read())
scene_3mf = parser.parse(archive.open("3D/3dmodel.model").read())
self._unit = scene_3mf.getUnit()
for node in scene_3mf.getSceneNodes():
@ -198,9 +201,9 @@ class ThreeMFReader(MeshReader):
# Second step: 3MF defines the left corner of the machine as center, whereas cura uses the center of the
# build volume.
if global_container_stack:
translation_vector = Vector(x=-global_container_stack.getProperty("machine_width", "value") / 2,
y=-global_container_stack.getProperty("machine_depth", "value") / 2,
z=0)
translation_vector = Vector(x = -global_container_stack.getProperty("machine_width", "value") / 2,
y = -global_container_stack.getProperty("machine_depth", "value") / 2,
z = 0)
translation_matrix = Matrix()
translation_matrix.setByTranslation(translation_vector)
transformation_matrix.multiply(translation_matrix)
@ -236,23 +239,20 @@ class ThreeMFReader(MeshReader):
# * inch
# * foot
# * meter
def _getScaleFromUnit(self, unit):
def _getScaleFromUnit(self, unit: Optional[str]) -> Vector:
conversion_to_mm = {
"micron": 0.001,
"millimeter": 1,
"centimeter": 10,
"meter": 1000,
"inch": 25.4,
"foot": 304.8
}
if unit is None:
unit = "millimeter"
if unit == "micron":
scale = 0.001
elif unit == "millimeter":
scale = 1
elif unit == "centimeter":
scale = 10
elif unit == "inch":
scale = 25.4
elif unit == "foot":
scale = 304.8
elif unit == "meter":
scale = 1000
else:
Logger.log("w", "Unrecognised unit %s used. Assuming mm instead", unit)
scale = 1
elif unit not in conversion_to_mm:
Logger.log("w", "Unrecognised unit {unit} used. Assuming mm instead.".format(unit = unit))
unit = "millimeter"
return Vector(scale, scale, scale)
scale = conversion_to_mm[unit]
return Vector(scale, scale, scale)