def applyShader(cls, shaderConfig, transforms):
shader, shaderEngine = cls.createShaderFromConfig(shaderConfig)
priorSelection = MayaUtils.getSelectedTransforms()
MayaUtils.setSelection(transforms)
cmds.sets(forceElement=shaderEngine)
MayaUtils.setSelection(priorSelection)
def createLayer(self, layer, useExisting =True):
""" Creates a display layer with the specified name. """
if useExisting and cmds.objExists(layer):
return
priorSelection = MayaUtils.getSelectedTransforms()
cmds.select(clear=True)
cmds.createDisplayLayer(name=layer)
MayaUtils.setSelection(priorSelection)
def colorTrackNode(cls, node, props):
# Save state of selected nodes to restore at end of this function
priorSelection = MayaUtils.getSelectedTransforms()
# Use red for left, green for right, in accordance with international
# maritime convention
left = props[TrackPropEnum.LEFT.name]
pes = props[TrackPropEnum.PES.name]
if left:
ShadingUtils.applyShader(TrackwayShaderConfig.RED_COLOR, node)
else:
ShadingUtils.applyShader(TrackwayShaderConfig.GREEN_COLOR, node)
# Next, get a shortcut to the components of the track node
root = node + '|inverter'
# Make the width and length rulers either light gray (for manus) or
# dark gray (for pes) and the 'error bars' white.
c = TrackwayShaderConfig.DARK_GRAY_COLOR if pes else \
TrackwayShaderConfig.LIGHT_GRAY_COLOR
ShadingUtils.applyShader(c, root + '|WidthRuler')
ShadingUtils.applyShader(c, root + '|LengthRuler')
ShadingUtils.applyShader(
TrackwayShaderConfig.WHITE_COLOR, root + '|BarN')
ShadingUtils.applyShader(
TrackwayShaderConfig.WHITE_COLOR, root + '|BarS')
ShadingUtils.applyShader(
TrackwayShaderConfig.WHITE_COLOR, root + '|BarW')
ShadingUtils.applyShader(
TrackwayShaderConfig.WHITE_COLOR, root + '|BarE')
# And finish up with other details
ShadingUtils.applyShader(
TrackwayShaderConfig.YELLOW_COLOR, root + '|ThetaPlus')
ShadingUtils.applyShader(
TrackwayShaderConfig.YELLOW_COLOR, root + '|ThetaMinus')
MayaUtils.setSelection(priorSelection)
def initializeCadenceCam(self):
""" This creates an orthographic camera that looks down the Y axis onto
the XZ plane, and rotated so that the AI file track labels are
legible. This camera is positioned so that the given track nodeName
is centered in its field by setCameraFocus. """
if cmds.objExists(self.CADENCE_CAM):
return
priorSelection = MayaUtils.getSelectedTransforms()
c = cmds.camera(
orthographic=True,
nearClipPlane=1,
farClipPlane=100000,
orthographicWidth=400)
cmds.setAttr(c[0] + '.visibility', False)
cmds.rename(c[0], self.CADENCE_CAM)
cmds.rotate(-90, 180, 0)
cmds.move(0, 100, 0, self.CADENCE_CAM, absolute=True)
MayaUtils.setSelection(priorSelection)