Images clés (Keyframes)
=======================

In Houdini, keyframing parameters using Python can be accomplished with the hou module,
which provides an interface to the Houdini API.

Définir / Lire / Supprimer des images clés
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.. code-block:: python

    import hou
    mynode = hou.selectedNodes()[0]
    myparm = mynode.parm("tx")
    # display code
    print(myparm.asCode())
    # set keyframe 1
    key1 = hou.Keyframe()
    key1.setFrame(1)
    key1.setValue(1)
    # set keyframe 2
    key2 = hou.Keyframe()
    key2.setFrame(100)
    key2.setValue(4)
    myparm.setKeyframe(key1)
    myparm.setKeyframe(key2)
    # get info about keyframes
    print(myparm.keyframes()[0].value())
    print(myparm.keyframes()[1].value())
    # delete keyframes
    myparm.deleteKeyframeAtFrame(20)
    # delete all keyframes
    myparm.deleteAllKeyframes()