Python Scripts

Shelf Tools

Set Centroid Expression on Pivot in Transformation

sel = hou.selectedNodes()

if len(sel) == 1:

sel[0].parm("px").setExpression("$CEX")

sel[0].parm("py").setExpression("$CEY")

sel[0].parm("pz").setExpression("$CEZ")

Set BBox

sel = hou.selectedNodes()[0]

geo = sel.geometry()

size = geo.boundingBox().sizevec()

center = geo.boundingBox().center()

sel.parmTuple("size").set(size)

sel.parmTuple("t").set(center)

Make full Path Object Merge

sel = hou.selectedNodes()

if len(sel) == 1:

    curPath = sel[0].parent()

    objPath = sel[0].path()

    pos = sel[0].position() + hou.Vector2(0,-1)

    mkMerge = curPath.createNode("object_merge")

    mkMerge.setPosition(pos)

    mkMerge.setName(sel[0].name() + "_merge")

    mkMerge.parm("xformtype").set(1)

    mkMerge.parm("objpath1").set(objPath)

Make bunch of Transform Nodes form all Parents

sel = hou.selectedNodes()

if len(sel) == 1:

    curPath = sel[0].parent()

    preNode = sel[0]

    pos = sel[0].position()

    path = curPath

    parms = ["tx","ty","tz","rx","ry","rz","sx","sy","sz"]

    while path.path() != '/obj':

        mkXf = curPath.createNode("xform")

        newPos = (pos + hou.Vector2(0,-1))

        mkXf.setPosition(newPos)

        for i in parms:

            mkXf.parm(i).setExpression('ch("' + path.path() + "/" + i + '")')

        if preNode != sel[0]:

            mkXf.setInput(0,preNode,0)

        preNode = mkXf

        pos = newPos

        path = path.parent()

Hierarchy Convert and Merge

sel = hou.selectedNodes()

theList = [sel[0]]

rootObj = hou.node('/obj').createNode('geo')

rootObj.children()[0].destroy()

rootObj.setPosition( sel[0].position() + hou.Vector2(0,-1))

iniMarge = rootObj.createNode('merge')

iniMarge.setName(sel[0].name())

def copyParm(a,b):

    parms = ["tx","ty","tz","rx","ry","rz","sx","sy","sz"]

    parmO = ["outTx","outTy","outTz","outRx","outRy","outRz","outSx","outSy","outSz"]

    for pp in range(0,len(parms)):

        a.parm(parms[pp]).setExpression('ch("' + b.path() + "/" + parmO[pp] + '")')

parentM = [iniMarge]

level = 0

while len(theList) != 0:

    level += 1

    tmpParent = []

    tmpLis = []

    for i in range(0,len(theList)):

        for cc in range(0,len(theList[i].children())):

            if len(theList[i].children()[cc].children()) != 0:

                if theList[i].children()[cc].childTypeCategory().name() == 'Object':

                    transC = rootObj.createNode('xform')

                    copyParm(transC,theList[i].children()[cc])

                    mergeC = rootObj.createNode('merge')

                    transC.setPosition(hou.Vector2(cc*3 + i*10,level*2-1))

                    mergeC.setPosition(hou.Vector2(cc*3 + i*10,level*2))

                    mergeC.setName("level" + str(level) + "__"+theList[i].children()[cc].name(),,unique_name = True)

                    transC.setInput(0,mergeC)

                    parentM[i].setInput(cc,transC)

                    tmpLis.append(theList[i].children()[cc])

                    tmpParent.append(mergeC)

                else:

                    transC = rootObj.createNode('xform')

                    copyParm(transC,theList[i].children()[cc])

                    mergeO = rootObj.createNode('object_merge')

                    mergeO.setColor(hou.Color([0.3,0.4,1.0]))

                    transC.setPosition(hou.Vector2(cc*3 + i*10,level*2-1))

                    mergeO.setPosition(hou.Vector2(cc*3 + i*10,level*2))

                    mergeO.setName("objMerge_"+theList[i].name(),,unique_name = True)

                    mergeO.parm("objpath1").set(theList[i].children()[cc].path())

                    transC.setInput(0,mergeO)

                    parentM[i].setInput(cc,transC)

    parentM = tmpParent

    theList = tmpLis

Mismatch Parameter Ditector

misCount = 0

sel = hou.selectedNodes()

if len(sel)==2:

    if sel[0].type() == sel[1].type():

        list0 = sel[0].parms()

        list1 = sel[1].parms()

        for i in range(0,len(list0)):

            if list0[i].eval() != list1[i].eval():

                misCount += 1

                print list0[i].name() + " = " + str(list0[i].eval()) + " != " + list1[i].name() + " = " + str(list1[i].eval())

        if misCount == 0:

            print "every parms are much!"

        else:

            print "Total Mismuch " + str(misCount)

    else:

        hou.ui.displayMessage('Choose Same Types of Node')

else:

    hou.ui.displayMessage('Choose Just Two Nodes')

Delete PrimGroup that selected polygon possess

import toolutils

viewer = toolutils.sceneViewer()

geo = viewer.selectGeometry()

node = geo.nodes()[0]

path = node.path()

groups = node.geometry().primGroups()

prims = geo.mergedSelectionString()

listPrim = hou.selectedNodes()[0].geometry().globPrims(prims)

has = 'hasprim("group1", "' + path + '" ,1)'

n = hou.hscriptExpression(has)

primGs = ""

for g in groups:

    for i in listPrim:

        hasPrim = 'hasprim("' + g.name() + '","' + path + '",' + str(i.number()) + ')'

        n = hou.hscriptExpression(hasPrim)

        if n == 1:

            primGs += g.name() + " "

            break

curPath = node.parent()

pos = node.position() + hou.Vector2(0,-1)

mkDel = curPath.createNode("delete")

mkDel.setPosition(pos)

mkDel.setInput(0,node,0)

mkDel.parm("group").set(primGs)

mkDel.parm("negate").set(1)

mkDel.setDisplayFlag(1)

mkDel.setRenderFlag(1)

Delete Prim"Name" that selected polygon possess

import toolutils

viewer = toolutils.sceneViewer()

geo = viewer.selectGeometry()

node = geo.nodes()[0]

prims = geo.mergedSelectionString()

listPrim = hou.selectedNodes()[0].geometry().globPrims(prims)

nameList = ""

for i in listPrim:

    nameval = i.attribValue("name")

    if (nameval in nameList) == False:

        if nameList=="":

            nameList += "@name=" + nameval

        else:

            nameList += " @name=" + nameval

curPath = node.parent()

pos = node.position() + hou.Vector2(0,-1)

mkDel = curPath.createNode("blast")

mkDel.setPosition(pos)

mkDel.setInput(0,node,0)

mkDel.parm("group").set(nameList)

mkDel.parm("negate").set(1)

mkDel.setDisplayFlag(1)

mkDel.setRenderFlag(1)

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