def import_vertex_color(mesh, texture):
u"""頂点カラーをテクスチャからインポート
Args:
mesh (unicode): 対象のMesh
texture (unicode): 対象のテクスチャパス
"""
if not os.path.isfile(texture):
dialog.open_warning_dialog(u"指定されたファイルが見つかりません。")
return
cmds.select(cl=True)
default_ctx = cmds.currentCtx()
mel.eval("artAttrColorPerVertexToolScript 4;")
cmds.select(mesh)
cmds.artAttrPaintVertexCtx(cmds.currentCtx(),
e=True,
importfileload=texture)
cmds.setToolTo(default_ctx)
cmds.select(cl=True)
cmds.select(mesh, add=True)
mel.eval('doBakeNonDefHistory( 1, {"prePost"});')
# ブレンドシェイプのinputTargetsにも頂点カラーが伝播するので削除する
input_targets = _get_input_targets(mesh)
if input_targets:
cmds.select(input_targets)
cmds.polyColorPerVertex(remove=True)
for t in input_targets:
cmds.setAttr(t + ".displayColors", 0)
dialog.open_in_view_message("Import Color Vertex", u"頂点カラーのインポートが完了しました。")
def saveTexture(fileName, fileType):
maya.mel.eval("PaintVertexColorTool;")
context = cmds.currentCtx()
cmds.artAttrPaintVertexCtx(context,
whichTool="colorPerVertex",
e=True,
efm='rgba',
eft=fileType,
esf=fileName)
def J_checkPolyTrapped(closestValue=0,
farthestValue=1,
saveVColor=False,
model=0):
selection = cmds.ls(sl=True)
sel = om2.MGlobal.getActiveSelectionList()
#基础比对模型
pBaseMesh = om2.MFnMesh(sel.getComponent(0)[0])
#目标检查模型
pTargetMesh = om2.MFnMesh(sel.getComponent(1)[0])
#
faceCount = pTargetMesh.numPolygons
vertexDistance = []
resample = False
if closestValue >= farthestValue:
closestValue = 100
farthestValue = 0
resample = True
#改顶点色显示
targetObj = sel.getComponent(1)[0].fullPathName()
if not pTargetMesh.displayColors:
cmds.setAttr(targetObj + ".displayColors", 1)
pointsPos = pTargetMesh.getPoints(om2.MSpace.kWorld)
for item in pointsPos:
posNor = pBaseMesh.getClosestPointAndNormal(
item, om2.MSpace.kWorld) #return tuple (mpoint, mvector,int)
pointDistance = item.distanceTo(posNor[0])
pointDirection = item - posNor[0]
pointDistance = pointDistance * (om2.MVector(
pointDirection.x, pointDirection.y,
pointDirection.z).normalize().__mul__(posNor[1].normalize()))
vertexDistance.append(pointDistance)
colors = []
vertexIds = []
for i in range(len(vertexDistance)):
greenColor = pymel.util.arrays.linstep(closestValue, farthestValue,
vertexDistance[i])
redColor = pymel.util.arrays.linstep(
0, 1, (1 - greenColor) * math.copysign(1, vertexDistance[i]))
colors.append(om2.MColor([redColor, greenColor, 0, 1]))
vertexIds.append(i)
pTargetMesh.setVertexColors(colors, vertexIds)
cmds.select(selection[1])
mel.eval("PaintVertexColorTool")
cmds.artAttrPaintVertexCtx("artAttrColorPerVertexContext",
edit=True,
exportfilesave="c:/tmp.iff")
else:
pTargetMesh.displayColors = False
def checkPaintingContext():
"""
Checks the painting context to check that everything is in order
"""
resetContext = False
if cmds.artAttrCtx("artAttrColorPerVertexContext", exists=True):
resetContext = False
mel.eval("PaintVertexColorTool;") # make sure the paint vertex context exists
if resetContext:
cmds.resetTool('artAttrColorPerVertexContext')
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext', stampProfile="gaussian", e=True)
def loadTexture(fileName, fileType):
if (fileName == None or len(fileName) == 0):
return
maya.mel.eval("PaintVertexColorTool;")
context = cmds.currentCtx()
cmds.artAttrPaintVertexCtx(context,
whichTool="colorPerVertex",
e=True,
ifm="rgba",
ifl=fileName)
mesh = getMesh()
if isMainColorSet():
subColorSets = SUB_COLOR_SETS
colors = mesh.getVertexColors(MAIN_COLOR_SET)
else:
subColorSets = [mesh.currentColorSetName()]
colors = mesh.getVertexColors(subColorSets[0])
# filter unused channel
for subColorSet in subColorSets:
mesh.setCurrentColorSetName(subColorSet)
useR = int(subColorSet == R_CHANNEL or subColorSet == MAIN_COLOR_SET)
useG = int(subColorSet == G_CHANNEL or subColorSet == MAIN_COLOR_SET)
useB = int(subColorSet == B_CHANNEL or subColorSet == MAIN_COLOR_SET)
useA = int(subColorSet == A_CHANNEL)
numColors = len(colors)
subColors = om.MColorArray(numColors, om.MColor((1.0, 1.0, 1.0, 1.0)))
for i in xrange(numColors):
color = colors[i]
subColors[i] = om.MColor((color.r * useR + color.a * useA,
color.g * useG + color.a * useA,
color.b * useB + color.a * useA, 1))
mesh.setVertexColors(subColors, getIncrementIter(numColors))
def paint(RGBA,
paintType,
cClamp=["none", 0, 1],
aClamp=["none", 0, 1],
colorSet="controlSetA"):
"""
Set artisan context with painting and brush parameters for artAttrPaintVertexCtx
Args:
RGBA (list): Channels to paint e.g. [ 0, 1, 0, 0 ]
paintType (str): "additive" or "subtract"
cClamp (list): Clamping settings for color [clamp, clamplower, clampupper]
aClamp (list): Clamping settings for alpha [clamp, clamplower, clampupper]
colorSet (str): Color set to paint into
"""
# SET UP ARTISAN CONTEXT
# set channels to RGBA and enable paint tool attributes
cmds.radioButtonGrp('artAttrColorChannelChoices', sl=2,
e=True) # set to RGBA in artisan UI
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
paintRGBA=True,
e=True) # set to RGBA
cmds.floatSliderGrp('colorPerVertexAlpha', en=True,
e=True) # enable alpha painting
cmds.floatFieldGrp('colorPerVertexMinMaxAlphaValue', en=True,
e=True) # enable alpha min max
cmds.checkBoxGrp('artAttrAlphaClampChkBox', en=True,
e=True) # enable alpha clamp checkbox
# before stroke command
cmds.artAttrPaintVertexCtx(
'artAttrColorPerVertexContext',
bsc=
"artAttrPaintVertexCtx -edit -showactive 0 artAttrColorPerVertexContext",
e=True)
# after stroke command
cmds.artAttrPaintVertexCtx(
'artAttrColorPerVertexContext',
asc=
"artAttrPaintVertexCtx -edit -showactive 1 artAttrColorPerVertexContext",
e=True)
# PREPARE MESHES
selected = cmds.ls(sl=True)
shapes = lib.getShapes(selected)
enableVtxCtrl(shapes)
# SET UP PAINTING PARAMETERS
cmds.polyColorSet(shapes, currentColorSet=True,
cs=colorSet) # sets the current color set of all shapes
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
selectedattroper=paintType,
e=True) # add or substract color
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
cl4=RGBA,
e=True) # define channels to paint
cmds.floatSliderGrp('colorPerVertexAlpha', value=RGBA[3],
e=True) # set alpha painting value
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
opacity=0.2,
e=True) # set opacity to 0.2
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
accopacity=True,
e=True) # oppacity accumulates
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
clamp=cClamp[0],
e=True) # color clamp
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
clamplower=cClamp[1],
e=True) # lower clamp
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
clampupper=cClamp[2],
e=True) # upper clamp
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
alphaclamp=aClamp[0],
e=True) # alpha clamp
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
alphaclamplower=aClamp[1],
e=True) # alpha lower clamp
cmds.artAttrPaintVertexCtx('artAttrColorPerVertexContext',
alphaclampupper=aClamp[2],
e=True) #alpha upper clamp