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Code Issues Projects Releases Packages Wiki Activity Actions 2

make naming of Logarithmic Conversion Function intelligible

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Tim Kuipers 2019-05-20 14:27:51 +02:00
parent 2b55b85a12
commit a8b3d7e49d
3 changed files with 13 additions and 13 deletions
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8
plugins/ImageReader/ImageReader.py
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@ -48,9 +48,9 @@ class ImageReader(MeshReader):
def _read(self, file_name):
size = max(self._ui.getWidth(), self._ui.getDepth())
return self._generateSceneNode(file_name, size, self._ui.peak_height, self._ui.base_height, self._ui.smoothing, 512, self._ui.lighter_is_higher, self._ui.use_logarithmic_function, self._ui.transmittance_1mm)
return self._generateSceneNode(file_name, size, self._ui.peak_height, self._ui.base_height, self._ui.smoothing, 512, self._ui.lighter_is_higher, self._ui.use_transparency_model, self._ui.transmittance_1mm)
def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, lighter_is_higher, use_logarithmic_function, transmittance_1mm):
def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, lighter_is_higher, use_transparency_model, transmittance_1mm):
scene_node = SceneNode()
mesh = MeshBuilder()
@ -101,7 +101,7 @@ class ImageReader(MeshReader):
for x in range(0, width):
for y in range(0, height):
qrgb = img.pixel(x, y)
if use_logarithmic_function:
if use_transparency_model:
height_data[y, x] = (0.299 * math.pow(qRed(qrgb) / 255.0, 2.2) + 0.587 * math.pow(qGreen(qrgb) / 255.0, 2.2) + 0.114 * math.pow(qBlue(qrgb) / 255.0, 2.2))
else:
height_data[y, x] = (0.212655 * qRed(qrgb) + 0.715158 * qGreen(qrgb) + 0.072187 * qBlue(qrgb)) / 255 # fast computation ignoring gamma and degamma
@ -128,7 +128,7 @@ class ImageReader(MeshReader):
Job.yieldThread()
if use_logarithmic_function:
if use_transparency_model:
p = 1.0 / math.log(transmittance_1mm / 100.0, 2)
min_luminance = 2.0 ** ((peak_height - base_height) / p)
for (y, x) in numpy.ndindex(height_data.shape):