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This will take the input geometry's normals and point them at a camera of choosing. It came out of response to being able to visualize attributes better in the viewport.

To use: -Create a temp camera to tumble around in and look through it with 'locked to view' selected.

-Insert 'Normals to Camera' sop above any attributes you wish to visualize/paint.

-Point the Camera parameter on the 'Normals To Cam' sop to the cam you're looking through.

-Be sure specular highlights are turned off in the display properties to view it clearer.

Unfortunately the otl doesn't update until you let off the mouse while tumbling. So you will most likely see the geometry fade to dark until you release.

The Weather SOP allows you to create either rain, snow or hail. Just input an emitter and up to three collision objects, and you are ready to create some weather.

Download includes .otl file and example .hipNC file

A SOP that creates a label suitable for a control null or other object. Useful for character rigging, for example.

This is the HDK source code for a very simple 2D CFD Solver for DOPs. Also included is a compiled version of the plugin for Windows and a hip file showing the simplest DOP Network required to use the solver. The actual solver code is from a Siggraph course presented by Jos Stam.

Pbowmar, Nov 12, 2005: Now includes a compiled .so for Houdini version 8.0.412, for Redhat Enterprise Linux 4. Put this in $HOME/houdini8.0/dso

These scripts can be used for fast workflow. These can be used under Sops/Pops/Chops. Display Up sets the display to upper node of current displayed node. Display Down sets the display to lower node of current displayed node. Very usuful when you are analyzing a scene.

How to Install....

Copy display_up.cmd and display_down.cmd to any particular folder. My path is $HOME/houdini8.0/scripts/Custom/

To add Display_up and Display_Down commands to Right_Click Menu in Sops/Pops/Chops and Following lines to OpMenu File in your $HOME directory.

#SOPs

Sop/* display_up "Display Up" $HOME/houdini8.0/scripts/Custom/display_up.cmd

(should be all on one line)

#SOPs

Sop/* display_down "Display Down" $HOME/houdini8.0/scripts/Custom/display_down.cmd

(should be all on one line)

#POPs

Pop/* display_up "Display Up" $HOME/houdini8.0/scripts/Custom/display_up.cmd

(should be all on one line)

#POPs

Pop/* display_down "Display Down" $HOME/houdini8.0/scripts/Custom/display_down.cmd

(should be all on one line)

#CHOPs

Chop/* display_up "Display Up" $HOME/houdini8.0/scripts/Custom/display_up.cmd

(should be all on one line)

#CHOPs

Chop/* display_down "Display Down" $HOME/houdini8.0/scripts/Custom/display_down.cmd

(should be all on one line)

Even You can assign Shortcuts to these commands. eg. Ctrl+Page_Up Ctrl+Page_Down.

But the shortcuts don't work in network box. Just Press "w"(Show Operator Tree) and it works!!! (Your Mouse has to be over Operator Tree.)