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26
votes
10answers
12k 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 ...
11
votes
3answers
734 views

Which data format typically displays fastest in ArcMap?

My organization is working on an application running on ArcGIS Engine. Previous versions of the application used primarily Shapefiles for displaying roads, parcels, buildings, etc. Since I was ...
6
votes
1answer
342 views

How to draw shapes with highest possible decimal accuracy

I am trying to read input of lat and long to draw the shape based on condition.The input is standard array of lat and long with 15 decimal accuracy. I am realizing - I am loosing some decimal accuracy ...
11
votes
3answers
320 views

How to improve drawn shapes in Quantum-GIS?

I have a polygon-shape in qgis-1.7.0 and want to fix overlays and gaps between the edges of adjacent polygons. See image below. Is there any automated way to do this in quantum-gis? Or any other ...
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 ...
0
votes
1answer
57 views

Blank Shapefile output?

When executing the following command string in the active browser, Qgis projects the triangle polygon and associated attribute table correctly. Upon reopening the shapefile in a new browser, the ...
1
vote
1answer
64 views

Drawing text and line-dasharray

Is it possible with TileMills and CartoCSS?