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| bio | website | thomas.gratier.free.fr |
|---|---|---|
| location | Nantes, France | |
| age | 32 | |
| visits | member for | 2 years, 9 months |
| seen | 2 hours ago | |
| stats | profile views | 72 |
GIS developer with a geography, environment and planning background
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19h |
comment |
What are efficient algorithms to join segments and to split a line into segments? Maybe wrong but why don't you use a spatial DB like PostGIS or Spatialite. More efficient if you use spatial index on your tables and low level. Built-in operations for your need FYI |
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1d |
revised |
What are efficient algorithms to join segments and to split a line into segments? added 3 characters in body |
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1d |
answered | What are efficient algorithms to join segments and to split a line into segments? |
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2d |
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Problem with a large number of markers on an OpenLayers map See gis.stackexchange.com/questions/33415/… and in particular Animated marker cluster |
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2d |
revised |
Examples of Animated maps added 51 characters in body |
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2d |
answered | Examples of Animated maps |
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May 19 |
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Drawing on jpg-map image with proj4 (perl) The main problem is you can't overlay world map with points without base layer coordinates. Most of the time, you use a shapefile of the world to generate an image like above and you add on the top another layer to draw your points. Only as a comment because not perl based, you can look at python with fiona and shapely macwright.org/2012/10/31/gis-with-python-shapely-fiona.html and also matplotlib matplotlib.org/basemap/users/examples.html |
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May 19 |
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Could someone suggest a good GeoExt Tutorial? Most official examples enough to learn if you examine code. Because they only cover map part, don't expect lessons about ExtJS (the JavaScript Library behind) For this, see manning book ExtJS in Action and packt publishing Learning ExtJS 3.2 |
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May 19 |
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How to get a KML of Wikipedia POIs? See this postgis dump, for database structure Both resources find through wikipedia links from article amercader.net/dev/wikipedia |
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May 19 |
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javascript WKB to WKT function FIY only in a shell environment with java dependencies (cf pom.xml at github.com/tschaub/geoscript-js) not in the browser |
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May 19 |
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PostGIS, create line from points You can in a first step generate one line per vehicle and after generate vertex from this line using tips from mailing list postgis postgis.17.x6.nabble.com/… |
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May 17 |
revised |
Metadata -auto build using python added 22 characters in body |
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May 16 |
answered | Metadata -auto build using python |
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May 16 |
revised |
Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative? added 38 characters in body |
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May 16 |
answered | What do I need to create web based GIS application to show GTFS data |
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May 16 |
revised |
Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative? Add some softwares list |
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May 16 |
revised |
Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative? Add some softwares list |
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May 16 |
answered | Why is the OGC Symbology Encoding standard not being implemented and is SLD an alternative? |
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May 9 |
revised |
How do I parse getStyle request? added 1585 characters in body |
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May 9 |
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How do I parse getStyle request? See my updated answer |
