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Creates point attributes animated from a user specified frame, over a specified range. one can offset the start frame with an existing attribute. this is just a node based version of the following expressison: 1/(1+exp(-($F-(inp + ((len/10)*5)))/(len/10)))

This python script helps to translate long L-system rules. It simply transforms Algorithmic Beauty of Plants edge rewriting syntax to Houdini's. Rewriting scheme is based on the first example from Houdini's Help - Advanced L-systems information. Hope somebody will make use out of it.

The following zip file contains two houdini scene files containing Lsystem based trees. The first is a deciduous tree and the second is a coniferous tree. Different methods of adding leaves are used to show alternatives for creating this part of the tree.

The ifdScriptGenerator OTL was created to sent sequences of IFDs to mantra from the command line. Additionally you have an option to split frame range into parts, so you can make use out of dual-core boxes. It is also a good example of how you can sent various unix commands to the csh using the shellROP.

changes from version 1.0

- the way of assigning frames to pools was rebuilt. Right now frames are assigned every N frames

(defined by number of processors) which gives priority to the first frames in a sequence.

Previously script divided frame range into N chunks and assigned each one to each thread.

- render selected frames option

- progress file. Simple text file which is updated after each rendered frame.

This Houdini Digital Asset generates abstract central-European houses. It can be used to visualise building volumes in large scale models.

Building Volumes ("Baumassen") are usually used in architectural models and visualisations to represent the volume of buildings. They are often made of simple cubes.

The RDG Generic House can be used to build dwellings and simple villages to demonstrate the allocation and placement of settlements in large scale models.