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Code Issues Projects Releases Packages Wiki Activity Actions 2

fix translucency model using new permittance setting

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This commit is contained in:
Tim Kuipers 2019-05-20 14:18:07 +02:00
parent 88b424d36a
commit b88183f4a1
3 changed files with 33 additions and 4 deletions
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23
plugins/ImageReader/ConfigUI.qml
View file

@ -165,6 +165,29 @@ UM.Dialog
}
}
UM.TooltipArea {
Layout.fillWidth:true
height: childrenRect.height
text: catalog.i18nc("@info:tooltip","The percentage of light penetrating a print with a thickness of 1 millimeter.")
Row {
width: parent.width
Label {
text: catalog.i18nc("@action:label", "1mm Transmittance (%)")
width: 150 * screenScaleFactor
anchors.verticalCenter: parent.verticalCenter
}
TextField {
id: transmittance
objectName: "Transmittance"
focus: true
validator: RegExpValidator {regExp: /^[1-9]\d{0,2}([\,|\.]\d*)?$/}
width: 180 * screenScaleFactor
onTextChanged: { manager.onTransmittanceChanged(text) }
}
}
}
UM.TooltipArea {
Layout.fillWidth:true
height: childrenRect.height

9
plugins/ImageReader/ImageReader.py
View file

@ -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)
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)
def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, lighter_is_higher, use_logarithmic_function):
def _generateSceneNode(self, file_name, xz_size, peak_height, base_height, blur_iterations, max_size, lighter_is_higher, use_logarithmic_function, transmittance_1mm):
scene_node = SceneNode()
mesh = MeshBuilder()
@ -127,10 +127,11 @@ class ImageReader(MeshReader):
Job.yieldThread()
if use_logarithmic_function:
min_luminance = 2.0 ** (peak_height - base_height)
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):
mapped_luminance = min_luminance + (1.0 - min_luminance) * height_data[y, x]
height_data[y, x] = peak_height - math.log(mapped_luminance, 2)
height_data[y, x] = peak_height - p * math.log(mapped_luminance, 2)
else:
height_data *= scale_vector.y
height_data += base_height

5
plugins/ImageReader/ImageReaderUI.py
View file

@ -35,6 +35,7 @@ class ImageReaderUI(QObject):
self.smoothing = 1
self.lighter_is_higher = False;
self.use_logarithmic_function = False;
self.transmittance_1mm = 40.0;
self._ui_lock = threading.Lock()
self._cancelled = False
@ -76,6 +77,7 @@ class ImageReaderUI(QObject):
self._ui_view.findChild(QObject, "Base_Height").setProperty("text", str(self.base_height))
self._ui_view.findChild(QObject, "Peak_Height").setProperty("text", str(self.peak_height))
self._ui_view.findChild(QObject, "Transmittance").setProperty("text", str(self.transmittance_1mm))
self._ui_view.findChild(QObject, "Smoothing").setProperty("value", self.smoothing)
def _createConfigUI(self):
@ -150,3 +152,6 @@ class ImageReaderUI(QObject):
def onConvertFunctionChanged(self, value):
self.use_logarithmic_function = (value == 0)
@pyqtSlot(int)
def onTransmittanceChanged(self, value):
self.transmittance_1mm = value