Tagged Questions
2
votes
0answers
60 views
Custom python datasource to QGIS
I'm working on a homebrew spatial feature data format, and using Python to write it's API.
It occoured to me that use some tool like QGIS to display my data would be very nice to have, for debug/test ...
6
votes
3answers
217 views
Classifying point coordinates to countries or continents?
I have about 50 000 points (latitude and longitude), and I would like to find out in which country each of the points is located. It does not need to be super precise, though.
(Or actually I only ...
3
votes
0answers
75 views
How to merge SeaWiFS and MODIS data or use other merged products?
I hope to produce a time-series for sea surface temperature (SST) and chlorophyll-a (Chl-a) for use in MaxEnt without the use of arcgis, preferring Python tools to others. I am new to satellite data ...
3
votes
0answers
394 views
How to load data programmatically from shapefile into feature class (geodatabase)?
Can some Genuis here help me programmatically (using python and comtypes) load shapefile data in to an existing geodatabase (feature class). The attributes of the shapefile has to match with the ...
1
vote
0answers
874 views
Exporting .jpg files from data driven pages in Arcmap
I have generated about 90 maps through data driven pages(ArcGIS 10.0). I now want to export them as .jpg files in either landscape or portrait format.
I tried python but it is not working, it worked ...
1
vote
0answers
256 views
Administrative level and coordinates from Yahoo GeoPlanet WOEID
The Yahoo GeoPlanet data can be freely downloaded from:
http://developer.yahoo.com/geo/geoplanet/data/.
If I understand it correctly, each WOEID corresponds to a unique location on earth, with ...
3
votes
5answers
846 views
When a raster is clipped to a polygon with Python, why does it still take on the extent of the entire shapefile?
I am clipping a raster image to each polygon row in a shapefile in ArcMap 9.3 using the Clip tool (Data Management) in Python with Clipping Geometry set. While the clipped raster successfully depicts ...
3
votes
2answers
721 views
Fastest way to create an ESRI Grid and populate cell values?
In terms of processing speed what's the fastest way of creating and then adding values to a raster?
The values will originally come from ASCII files which can be about 500MB in size - ideally I ...
11
votes
2answers
152 views
How could I rate roads for scenic drives?
relative GIS newbie here.
I've been working on a personal project to rate roads on how nice a ride they'd be on a motorcycle. I wrote a Python program to work through road data in the TIGER dataset ...
7
votes
5answers
4k views
update one shapefile attribute table with values from another dbf table
I try to explain here what I am trying to do:
I have one shapefile and one independent dbf table with the same fields. In the dbf table all the fields are populated but in the shapefile attribute ...
