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Tag Archive for: Tools
Here’s a little tool to generate a focus null based on your selected camera. Let me know if there are any bugs because I literally type this in 20mins without checking much! Thanks and cheers!
# Author: Ronald Fong # Date: 29 Sep 2021 # Usage: Add this as a shelf tool. With a camera selected in the obj context, use this tool to generate a focus nul, and automatically sets the focus of the camera to the distance between the camera and the nul. # Feature 1: Names the focus node based on the selected camera node # Feature 2: Selects the focus node for user convenience # set root obj = hou.node("/obj") # define nodes and create focus nul selected_node = hou.selectedNodes() cam_node = selected_node cam_node_name = str(cam_node) + "_focus" focus_node = obj.createNode("null", cam_node_name) # set camera focus code to focus nul focus_code = "vlength(vtorigin(\".\",\"../" + cam_node_name + "\"))" cam_node.parm("focus").setExpression(focus_code) # layout nodes and select focus nul for user convenience focus_node.setSelected(1) obj.layoutChildren(items=[cam_node, focus_node], horizontal_spacing=1, vertical_spacing=1)
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