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I'm still develop a Web GIS that show population distribution in form of heat map. I'm use Quantum GIS with Open Street Map & Q2Leaflet Plugin as a tool to accomplish it.The problem is, I just want to show the population distribution of Sulawesi, but when I download data via Open Street Map, I...

I try to make an A-star Path Finding program base on tile-graph (image raster data as graph) where each pixel values represent as cost and elevation.. In my case, DEM raster data was called by using gdal, then converting to numpy array to be processed on A* path finding implementation.This...

I've got a script tool in ArcGIS that runs Curvature and Aspect from Spatial Analyst, and the outputs of both contain an extra column. I've attempted to set the extent in the both the tool and the script to be the same as the input file, but still the extra column appears. The same snap raster...

I have 30+ events of data collection for each GPS location (previous person on project has simply added new rows for each data collection period). When I import the excel file (via CSV format), each location therefore has 30+ gps points stacked on top of one another. How can I get a single GPS...

What are the most memory efficient open source packages for calculating a geographically weighted regression (GWR)? I am in a situation where I need to do a geographically weighted regression on a set of points where training data consists of about 40,000 observations and each observation has...

I'm totally new to Mapserver and I've been banging my head trying to figure out how to mount a WMS server that will seed images of a small geographical area to a OpenLayers HTML page. I already installed Mapserver on windows (MS4W) and "mapserver -v" shows: 'SUPPORTS=WMS_SERVER' so that's done...

I am an intern creating a Geo database for a municipal cemetery. The one lot can hold up to 3 people (2 people, 1 cremation) two people at the most. My question i: How would I show that information on the map using a polygon while including the position of each body. The lots are a fixed...

I want to know if it is possible to create a program using ArcObjects SDK for .net and visual studio, for convert a .shp file to adt file?? أكثر...

I'm trying to process a GeoTIFF in QGIS 1.8 using SEXTANTE and GRASS via the r.neighbors tool. I'd like to process the image, then be able to utlize it in ArcGIS. The problem I'm running into is that the output file has a different nodata value than the input, and Arc isn't recognizing the...

Esri gives visitors the chance to see a demographic snapshot of their neighborhoods by using Tapestry. أكثر...

Esri presented 187 organizations worldwide with Special Achievement in GIS (SAG) Awards at the Esri User Conference in San Diego. أكثر...

After a warm spell in Kazakhstan, a glacial lake emptied abruptly and sent flood water rushing downstream. أكثر...

I've downloaded the data from NYC Parking regulation. I want to plot that on Google Maps. I use http://www.shpescape.com/ft/ to convert to Google Fusion Maps but the data is in X,Y coordinates instead of Lat, Long. How do I convert X,Y coordinates to Lat, Long? I'm using OSX. Here's the sample...

I´m trying to use some AML files in ArcMap 10, but I have noticed that this option is not available for this version. Does anyone know or tried to "translate" the aml sequences to another language for example python? or another application like QGIS or SAGA. أكثر...

I am trying to run an AML in a python program I am writing and haven't been having much luck figuring out the correct way to run the AML. The AML requires ArcInfo Workstation to be from the GRID prompt. Any tips? I am only a novice in ArcInfo Workstation. I'm running ArcMap 10.0...

I have an AML script that has instructions to import tmp files of (grid, network, basin...)is there any way to run the script in GRASS? I tried to converted to Python but I couldn't do it for the whole script. أكثر...

Is anyone familiar with creating a TIN using ArcGIS9.3 and British Columbia DEM data (.GEN files)?I can't figure out how to get the breaklines to work during the creation of the TIN. Using Workstation/AML it works perfectly.I can provide more details if anyone's familiar with the problem I'm...

bonjour je travail sur des cartes anciennes et des tableaux qui utilisent le système de projection lambert nord sahara 1959 (algerie) et le problème que je n'est pas trouver ce système dans l'arc gis comment l'intégrer ou le trouver et je suis vraiment bloquer dans mes recherche svp est ce...

After a warm spell in Kazakhstan, a glacial lake emptied abruptly and sent flood water rushing downstream. أكثر...

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