Tagged Questions

1
vote
1answer
75 views

Mapnik - Weird tiles rendering when used with spatialite

I use Mapnik in an GeoDjango App with Spatialite 4.0 as backend. There is something weird with the tiles that I suspect might be related with a bad handling of mbr with spatialite. If you look at ...
0
votes
0answers
46 views

Dynamic feature creation moves feature on zoom

I've been trying to create a feature programatically in OpenLayers, but the feature moves to 0,0 whenever I zoom in or out. This is just an ajax request, that filters a bunch of points using their ...
0
votes
0answers
44 views

Missing tiles when django application is hosted on an apache server

I'm building a GIS application using Django as my web framework and OpenLayers to implement a slippy map interface. I was initially using the django runserver for development and everything was ...
2
votes
1answer
81 views

Get Lat & Lng from GeoDjango OSMGeoAdmin

Django OSMGeoAdmin with PointField uses OpenLayers and it's hard to use. I want to add 2 new input elements which are lat and lng. Using jQuery, when values of the input elements are change, I want ...
3
votes
2answers
294 views

General GeoDjango Opinion

I'm forced to crawl out of my intranet and create a public GIS site with quite an extensive dataset. All of my data is contained within PostGIS. I started dabbling with Geoserver/Postgis/OpenLayers ...
0
votes
0answers
69 views

Address parcel search in geodjango admin

When adding a feature in geodjango admin, the ability to zoom to a typed in address or parcel would be most efficient. Not sure what options are available. I'm presently using olwidget within admin. ...
1
vote
2answers
206 views

Geodjango - using projected coordinates with olwidget

I have a database in GeoDjango containing data based on the Australian MGA54 coordinate system (SRID 28354). I have the srid set in the model definintions and when using the standard GeoModelAdmin ...
3
votes
2answers
2k views

Using OpenLayers (with OpenStreetMaps) and PostGis for rendering data acquired from GPS tracking device?

I'm researching and planing to acquire data from GPS device and store them in postGIS database, then use geodjango to process/work them out and finally chart them on a map with OpenLayers. Will these ...
1
vote
1answer
434 views

How to segmentize/sample a LineString using geodjango (postgis/geos) and/or openlayers?

I'm trying to sample points along a linestring. The goal is to have the distance between 2 consecutive points to be at most X (eg. 50m). I'm drawing linestring in openlayers and sending it to a ...
2
votes
2answers
828 views

Is it possible to do server-side (WMS) rendering / caching of vector data

I have to develop a webapp that will have to display a large number of polygons on a webpage, with complex filtering options. The source data never changes (I will simply reload a new version of the ...