[Qgis-developer] RoadGraphPlugin and network-analysis annonce

[maaza mekuria]

Good work Sergey! 

Maaza

--- On Wed, 9/28/11, Сергей Якушев <yakushevs at gmail.com> wrote:

> From: Сергей Якушев <yakushevs at gmail.com>
> Subject: [Qgis-developer] RoadGraphPlugin and network-analysis annonce
> To: qgis-developer at lists.osgeo.org
> Date: Wednesday, September 28, 2011, 3:50 AM
> Hello!
> 
> In my fork QGIS in the branch network-analysis is a new
> version RoadGraphPlugin.
> 
> Changes:
> 1. When the setting of "topological tolerance" value
> greater than zero
> in the construction of the graph is almost as fast as with
> a parameter
> equal to zero.
> 
> 2. Reduced memory usage. If you are using big map of
> Moscow, then you
> no longer need gigabytes of RAM. Only ~10 megabytes.
> 
> 3. Core RoadGraph move into a separate library
> qgisnetworkanalysis.
> 
> 4. Implemented a minimum set of python bindings. Now you
> can use
> Python to find the shortest path.
> 
> To demonstrate the third and 4th items prepared (and
> well-commented) a
> simple script (see attachment) and the screencast
> (http://gis-lab.info/forum/download/file.php?id=3175).
> 
> What do you think? I think this is a good candidate for
> inclusion in
> the master-branch qgis.
> 
> --
> С уважением Якушев Сергей YakushevS at gmail.com
> 
> -----Inline Attachment Follows-----
> 
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