[Bug 222039] Review Request: ogdi - Open Geographic Datastore Interface

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Summary: Review Request: ogdi - Open Geographic Datastore Interface


https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=222039





------- Additional Comments From cbalint at redhat.com  2007-02-14 09:34 EST -------
1) Sorted out vpflib license.

Look at this project (http://www.ivtools.org/vhclmaps/), they used the _same_ 
vpfutil whatever we call in ogdi vpflib but have a good explonation of the 
sources:
>From their LICENSE file:
-----------------------/////////---------------->
The VpfUtil library contains the public domain VPFVIEW C code included
with the Digital Chart of the World, Edition 1, which was pruned and ported
to work on "POSIX"-like systems.

The line-of-sight and viewshed capability was borrowed and retrofitted
from the DMA (NIMA) MUSE2 package.
--------------///////-------------------------------------<
>From Nima license site:

http://earth-info.nga.mil/geospatial/SW_TOOLS/NIMAMUSE/dist/VPFViewdist.html
Is that OK ?


2)Sorted out to replace "numeric C recipes"-'s  ultimate wisdom !

Err, what  ogdi use from that crappy gmath.c:

-2D matrix mult.
-2D matrix invert.

Rest of gmath.c is unused, all functions are just declared but unused.
'blas' or 'lapack' project has functions for matrix 2d manipulation, so i try 
to come up with a replacemant in ogdi, but it will imply to add blas to build 
requirement,so i will try escaladete the final replacement patch until 
confgure.in olso.

c'mmon, its not so hard to mult 2 matrices especialy in 2D without floating or 
whatever super precision,and to invert matrix is piece of cake.

http://www.google.com/codesearch?q=multiply+matrices&hl=en&btnG=Search+Code
Look at grass one which link to 'blas','lapack'.


Guys,

What do you think ? 
Make sense go for it ? 

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