"Determining valley-bottom sediment volumes", funded by ???. 
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This project is short-term and is expected to take ony 1-2 months of
part-time work.  Its primarily goal is the creation of software tools
necessary to solve the geometric problems required to perform partial
volume estimates (e.g. of sediment contained between ground surfaces and
bedrock planes) using digital elevation model (DEM) and other geographic
information system (GIS) data sets as boundaries of these volumes.  All
software is to be written using Python 2.5.2, Numpy 1.0.4, and WxPython
2.8.7.1.  In addition to solving the sediment volume problem, these
tools will be available as library components of primitive operations
for the solution of other geometric GIS problems.

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Proposed tasks will consist of, as required:

* Reading and displaying DEM and other GIS files.

* Extracting surfaces, planes, cross-sections, contours and other
curves, and other geometric elements from data files.

* Calculating intersections of geometric elements (e.g. surfaces and
planes).

* Calculating slopes and tangents of surfaces and curves, and angles
between geometric elements.

* Merging geometric elements into composites (e.g. 2 planes or
surfaces).

* Calculating centroids, centerlines, and path lengths of geometric
elements.

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A proposed timetable and schedule is:

Phase  Description                          Date completed
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1a.    Start of work.                       June 1, 2008

1b.    Everything.                          June 30, 2008 

Additionally, if required:

1c.    Everything else.                     July 31, 2008