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2
votes
1answer
45 views

Grass python shell can't find my data

I have a problem, the grass 7 python shell can't find my rasters. When I try to use the python shell to set the region I get "region not found". I can set the region in the grass shell (and other ...
0
votes
0answers
19 views

read feature of a region in map

I am using geoserver and openlayer for developing a GIS application. Is it possible to read features lying within a known polygon area of map through some looping logic without any click on map? I ...
0
votes
0answers
21 views

problem r.walk region GRASS

I'm getting troubles to run r.walk. If I run r.walk in this region: projection: 3 (Latitud - Longitud.) zone: 0 datum: wgs84 ellipsoid: wgs84 north: 33:39:03N south: 29:16:03N ...
2
votes
1answer
149 views

How to iterate GRASS region definition?

I am using GRASS r.skyview command (v.7, Windows) to determine "urban canyon effect" on pollution due to the presence of buildings. The command nicely works, unfortunately I need to process a very ...
3
votes
2answers
150 views

Is there a function to select a region of a map for further processing with Python?

I would like to select a map's region in QGIS for further processing with python console. Ideally I would like to select the region with a mouse drag (like Gimp crop function) and then e.g. analyze ...
0
votes
1answer
110 views

Set Grass Region in Python grass.script

How can I set the Grass Region in Python without already having a map in the Mapset? Basically I am looking for the equivalent to this window Currently I am only able to extent an existing region, ...
0
votes
1answer
233 views

ARCGIS 10- Cutting down a tiff file layer to a smaller polygon?

I have a dynamic land map featuring open forest, closed forest ect of an area which is a tiff layer file. I want to be able to cut the layer file to my area of interest, the polygon I created? I also ...
2
votes
2answers
272 views

Raster map in different zone () than region ()

I am new to QGIS (just installed QGIS 2.0.1) and am having problems running any spatial analysis tools. I followed the instructions on how to call GRASS tools into QGIS, but when I try to run the ...
1
vote
0answers
59 views

grass region resolution error

I am working on a raster, but I can't set a correct region for it. In the Set region to match this raster map field, I select my raster map to change current region, but its resolution does not ...
0
votes
1answer
195 views

Create new regions in layer by filling in between polylines on existing layer

I'm not sure if this is possible but would save me hours of work. I have a layer which consists of polylines. Most of those polylines bound areas; houses, roads, etc. Currently I am required to ...
3
votes
1answer
1k views

UK region overlay on map

I'm hoping to overlay UK regions (East Midlands, Wales, London etc) on a Google Map. Ideally the regions could be coloured, opaque and have some form of label. There is no hover / interaction ...
5
votes
4answers
6k views

Getting polygons of all countries and ISO-3166-2 subdivisons

In order to do reverse geocoding lookups to find a country (as ISO-3166-1) and the subdivision (as ISO-3166-2) for given coordinates I am looking for a way to get all polygons of all countries and ...
2
votes
2answers
367 views

Mapinfo, (or other?) Interpolation of lat/long and finding minimum in a region

I have a series of lat/long coordinates, each with a corresponding Z value. Each coordinate is spaced roughly 40km apart (this is stored as a MapInfo table of points). What I'd like to do is to ...
14
votes
2answers
2k views

Is it possible to gray out a Google Maps map except for some area?

What i am looking for is a way to emphasize a certain area on a Google Maps map by graying out the rest of the world. I heard about some solution of using 2 polygons of which 1 is visible and the ...
0
votes
1answer
679 views

Mapinfo incorrect polyline (boundary) map to region conversion

How to solve issue regarding incorrect boundary to region conversion? I have boundary map plotted on cosmetic layer when I convert it to region it results in line with overlap to other region. The two ...
1
vote
1answer
109 views

How do I convert my coordinates to the limit of geographic region (outer edge)?

I am trying to use r.in.bin. The parameters of north, south, east, and west needs values: north=float Northern limit of geographic region (outer edge) south=float Southern limit of geographic region ...