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2
votes
2answers
229 views

Project geometry features upside down

I have shapefiles containing polygons and lines that are used in a mapfile for projecting them through Mapserver. Is there a way in changing the projection of the layers by 180 degrees(i.e. upside ...
11
votes
8answers
4k views

Is there a way to decrease redraws in ARCGIS?

I'm using a huge database on arcgis desktop 9.3.1 and every time I do a pan/zoom I have to wait 0.5-1 minute for the whole database to redraw itself. Is there any way to decrease the amount of redraws ...
26
votes
11answers
14k views

How would I draw and visualize custom maps based on OSM data?

I would like to be able to use openstreetmap data for a specific region as a source and "draw" from that the map of infrastructure improvements - mostly roads. I want it to be self-hosted (not ...
16
votes
3answers
2k views

Is there a decent open source map-editor?

I would like to have an open source map editor for drawing a city map? I don't want to use OpenStreetMap. It will be a custom map project. I don't need an advanced GIS system, but a simple ...