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I'd like to enable the ECW support on a QGIS Server installed on a Windows computer. I know it's "manualy" deactivated in source code and it seems both Desktop and Server ECW licence can be used on the same machine. Is there any process to follow to get it work? It can go through paying the...

I'm trying to find some centroids of a shapefile for Danish municipalities and afterwards find the driving time between them. I use R's readShapePoly function from maptools combined with the gCentroidfunction from rgeos, and everything works. However, I get spatialpoints such as...

I have raster data that represents a probability distribution, i.e. each cell has a probability value (in my case the probability that an animal may be found in the cell), and all the cells add up to 100% (I know for certain the animal is within the extents of my raster). I want to be able to...

GIS Tutorial for Python Scripting Paperback – July 24, 2014 by David W. Allen GIS Tutorial for Python Scripting uses practical examples, exercises, and assignments to help students develop proficiency using Python® in ArcGIS®. This workbook for Python scripting builds upon previously acquired...

Exposure Assessment in Environmental Epidemiology Book Description Publication Date: June 15, 2015 This completely updated edition of Exposure Assessment in Environmental Epidemiology offers a practical introduction to exposure assessment methodologies in environmental epidemiologic...

Geoinformation: Remote Sensing, Photogrammetry and Geographic Information Systems, Second Edition Book Description Publication Date: April 23, 2014 Written by a renowned expert, Geoinformation: Remote Sensing, Photogrammetry and Geographic Information Systems, Second Edition gives...

I did this map a few weeks ago for the FixWikiMaps project: The Wikipedia page where this would have gone has since been deleted so I figured I'd post it here. This was to accompany an article about the expeditions to Lake Chad and Western Africa undertaken by the Roman Empire...

I am struggling to move web services (tiled basemaps) out of group layers into the data frame. I've used arcpy.mapping.ListLayers to compose a list of layers, then I've ascertained what is a group layer with .isGroupLayer and I've tested the group layers name and then what it "supports". However...

My point is to use pgrouting with planet data. osm2pgrouting fails at importing whole planet, so I tried osm2po. Looked fine, it generated sql file in around 2,5h. After importing it to the db though I found there are many ways excluded from the db. Looking closer at osm2po logs: INFO...

I downloaded the Export to KML extension for ArcMap and when I follow the instructions and run the batch file, the cmd comes up and as I hit a key to initiate the install, I get an error that reads: "The module 'ExporttoKML.dll' was loaded but the call to DllRegisterServer failed with the...

<div class="MsoNormal">En muchas ocasiones, la pregunta del usuario GIS es أكثر...

I must asking this, in ArcMap 10.2 why the thiesen poligons didnt divide at median line? it was move at +- 3 meters from the median line. Why is this happening? أكثر...

I am involved in developing a Android application that needs to be able to make use of Esri Shapefiles. Hardware used will be 7" Android rugged tablets running Android 4.2 or later. It is an offline application, the shapefiles gets loaded onto the device’s SD Card. The application would show a...

I would like to install extensions for new GML-Vector Data Sources. What do I have to download from the web page http://geoserver.org/download/ أكثر...

I am interested in a library for C# that provides computations common in the area of SAT navigation, such as coordinate system conversion (e.g. ECEF to NED), Line-of-sight computations of power gain/loss, Ionosphere and Troposphere models, data and modulations of RF signals. Does mathdotnet...

I have generated attributes for a drawn polygon on a vector layer. While selecting the drawn polygon on map i am getting geneated features on a table. But i want to store in same Json file where i am getting Json vector layer. How to do it? Please help me.. ` var wkt = new...

I have a vb6 project which develop a tool for use in arcmap several years ago. And I managed to add the tool in arcmap 9.2 (windows xp) by: In arcmap -> Customize -> Add from file -> choose the dll file -> tool be added successfully. But when I follow the same steps to add the tool in arcmap...

i'm using lambert conformal conic , so we have distortions along any given parallel , i would like to get the area used to solve this distortion. I have calculated the area using Shoelace formula , surprisingly it gave me the same area exactly as the area calculated by Arcgis, that means that...

I have been using the WorldView web application to identify clear sky days to download MODIS images. However there are some instances where I see a clear day image, then download the MOD09 product and there is a stripe of no data across my area of interest. I understand that areas can be...

I am new to GIS and I recently have a project where we will like to map clinic addresses vs patients' address, to show the distance between these locations. In addition, at each clinic address, a number of patients would have visited for either chronic or acute visit. I will like to be able...