The process of generating an image from a model.
25
votes
9answers
7k 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 ...
8
votes
4answers
667 views
Fastest spatial storage format?
I am wondering what storage method will result in the fastest reading of the map vectors for rendering. SHP? PostGres? SQLite? (They do not change often and I do not need spatial functions for these ...
7
votes
3answers
286 views
How to handle display of nested polygons (census, county/state, etc) for a given map extent
My question is how best to decide which layer (from a set of nested, aggregated census polygons) to display for any given map extent in an online map.
Australia's census boundaries are built from ...
6
votes
3answers
575 views
Obtaining *rendered* OSM data
I'd like to produce a simple walking map with some points of interest. Ideally, I'd like to use the rendered OSM data, as you can get from the page. Using the QGIS OSM plugin, I can only download a ...
15
votes
3answers
2k views
Optimal video cards for GIS programs
I recently purchased a Dell XPS-8300 (i7-2600|16 GB DDR3 RAM|64-bit Windows7) which I intend to use primarily for GIS programs. I bought a refurbished model because it was much cheaper and because I ...
4
votes
7answers
702 views
Any Good Map Rendering Engines for SqlGeometry/SqlGeography
Can anyone suggest good map rendering engines for MS SQL Server Spatial types (SqlGeometry/SqlGeography)? By rendering, I mean plot the geometries to a common image format such as png or jpeg with ...
3
votes
1answer
686 views
How to filter features in a layer?
I am trying to display certain features in a shapefile-based layer using QGIS. I have found the subset function in the properties panel, which does exactly what i want, but is too tedious given that I ...
1
vote
2answers
180 views
Need help getting started with QgsComposition
I am using QgsComposition for the first time, but I fail at the first step :-(
mapRenderer = iface.mapCanvas().mapRenderer()
line 31, in mapRenderer = iface.mapCanvas().mapRenderer()
...
