Python

https://jtomori.github.io/2022/2022-07-07.html
https://www.sidefx.com/docs/houdini/hom/commandline.html#hython
환경변수 확인
- Help > About Houdini > Show Details


Windows > Hscript Textport(Alt + Shift + T)

/ -> help otedit
otedit

    REPLACED BY
      - hou.ui.openTypePropertiesDialog()

## hython path

Linux: /opt/hfs19.0.657/bin/hython
Windows: C:\Program Files\Side Effects Software\Houdini 19.0.657\bin\hython3.7.exe

// setting.json
"python.autoComplete.extraPaths" : [
  "C:/Program Files/Side Effects Software/Houdini 19.0.531/houdini/python3.7libs"
],

"python.autoComplete.preloadModules" : [
  "hou"
],

"python. analysis.extraPaths" : [
  "C:/Program Files/Side Effects Software/Houdini 19.0.531/houdini/python3.7libs"
]

New Shelf...
- New Tool...
  - Script


import hou

obj = hou.node('/obj')
myGeo = obj.createNode('geo', 'myGeo')
box = myGeo.createNode('box', 'myBox')

# print(box.ascode())
 
box.parm('sizex').set(10)

selected = hou.selectedNodes() # tuple
selected[0].setInput(0, selected[1], 0)


import Pyside2 as ps

hou.playbar.play() hou.playbar.stop()

hou.ui.displayMessage("HelloWorld") hou.ui.displayMessage("HelloWorld", buttons=("OK", "NO")) hou.ui.readInput("Read Input")

hou.frame() hou.fps()

hou.selectedNodes()

hou.putenv("ENV_A", "VALUE_A") hou.unsetenv('A') hou.getenv("HIP") hou.hda.reloadAllFiles()

hou.hscript("opparm /obj/geo1 scale 10")

n = hou.node("/obj/geo1") sphere = n.node("sphere1")

node.parent() node.children() node.outputs() node.inputs() node.setInput(2, otherNode) node.setInput(2, None) node.color() node.setColor(hou.Color(1, 0, 0)) node.setDisplayFlag(False) node.isGenericFlagSet(hou.nodeFlag.Display) node.setGenericFlagSet(hou.nodeFlag.Display, True) // https://www.sidefx.com/docs/houdini/hom/hou/nodeFlag.html

node.type() node.createNode('attribwrangle')

node.userDataDict() node.clearUserDataDict() node.setUserData('keyString', 'valueString') node.userData('keyString') node.destroyUserData('keyString')

https://www.sidefx.com/docs/houdini/hom/hou/OpNode.html#user-data node.cachedUserDataDict() node.setCachedUserData('keyString', 'valueString') node.cachedUserData('keyString') node.destroyCachedUserData('keyString')

node.asCode()

node.name() node.setName('test') node.commnet() node.setComment('comment') node.appendComment('append comment') node.path() node.position() node.setPosition((0, 0)) // input : vector node.move((-1, -1)) node.destroy() node.evalParm('proj')

// https://www.sidefx.com/docs/houdini/ref/env.html
// https://www.sidefx.com/docs/houdini/hom/locations.html#startup 

HH                    : The path to Houdini supporting scripts and files inside $HFS. Usually $HFS/houdini
HOUDINI_PATH          : The path of directories where Houdini looks for configuration files.
HOUDINI_USER_PREF_DIR : The directory to store user preference files.

hou.parm ("/obj/geo1/tx") hou.parm ("/obj/geo1/scale") hou.parmTuple("/obj/geo1/t") p = hou.parm ("/obj/geo1/scale") p.eval() p.evalAsString() p.isTimeDependent() p.evalAtFrame(10) p.set(5) p.name() p.node() p.pressButton() p.keyframes() p.keyframesAfter(20) p.deleteAllKeyframes() p.revertToDefault() p.expression() p.expressionLanguage() p.setExpression('print "Hello"', language=hou.exprLanguage.Python)

node = hou.pwd() geo = node.geometry() geo.points() pt = geo.iterPoints()[0] pt.prims() pt.vertices() geo.attribValue('foo') geo.setGlobalAttribValue('foo', 5) pt.attribValue('foo') pt.setAttribValue('foo', 5) geo.addAttrib(hou.attribType.Prim, 'myattrib', 0.0, create_local_variable=False)

pts = geo.createPoints([(0, 0, 0)]) geo.deletePoints(pts)

group = geo.findPointGroup('grp1') group = geo.createPointGroup('grp1') group.clear() group.destroy()

p = geo.prim(0) p.intrinsicValue('typename')

hou.ui.displayMessage("HelloWorld", serverity=hou.serverityType.ImportantMessage, help='help message', detail='detail','title='title') hou.ui.readMultiInput('wtf', ('1', '2', '3')) hou.ui.selectFile() hou.ui.selectFromList(('1', '2', '3')) hou.ui.selectFromTree(('a/1', 'a/2', '3')) hou.ui.selectNode() hou.ui.selectParm() hou.ui.selectParmTuple() hou.ui.selectAttrib() hou.ui.selectColor() hou.ui.setStatusMessage('hello world')

import hou n = hou.node('/obj/hello') t = n.type() d = t.definition() group = d.parmTemplateGroup() group = hou.ParmTemplateGroup() n.setParmTemplateGroup() d.setParmTemplateGroup()

import hou
n = hou.node('/obj/geo1/transform1')

new_n = n.parent().createNode(n.type().name(), f"{n.name()}_refcopy")
new_n.setPosition(n.position())
new_n.move((0.5, -0.5))
new_n.setColor(hou.color((0.1, 0.1, 0.1)))

group = new_n.parmTemplateGroup()
source = hou.StringParmTemplate('ref_source', 'Reference Source', 1, string_type=hou.stringParmType.NodeRefernece, help='help text')
group.insertBefore((0, ), source)
new_n.setParmTemplateGroup(group)
new_n.parm('ref_source').set(n.path())

temp_list = [
  hou.parm('obj/geo1/transform1_refcopy/scale'),
  hou.parm('obj/geo1/transform1_refcopy/group'),
  hou.parm('obj/geo1/transform1_refcopy/shear')
]
for p in temp_list:
    if p.name() == 'ref_source':
        continue
    if p.parmTemplate().type() == hou.parmTemplateType.Folder:
        continue
    if p.parmTemplate().type() == hou.parmTemplateType.FolderSet:
        continue

    mode = kwargs['ctrlclick']

    if mode:
        expr = 'ch'
        if p.parmTemplate().type() == hou.parmTemplateType.String:
            expr = 'chs'
        p.setExpression(f"{expr}(chs('ref_resource') + '/{p.name()}')")
    else:
        p.setExpression(f"hou.node(hou.pwd().evalParm('ref_source')).evalParm('{p.name()}')", language=exprLangauge.Python)

PythonModule def onInputChanged OnInputChanged kwargs['node'].hm().onInputChanged(kwargs) # hm - a shortcut for self.hdaModule(). - https://www.sidefx.com/docs/houdini/hom/hou/OpNode.html#hm

hou.phm().SomeFunction() # hou.phm() == hou.pwd().hdaModule()

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Python