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I'm trying to produce a multipolygon feature in QGIS. I am producing filled contours with Matplotlib, taking the multipolygons representing each contour level, using shapely to produce WKT, and then trying to add geometry to my QGIS features with QgsGeometry.fromWKT. Even though shapely produces...

I'm exploring a few different options for this process and I'm unsure what would be most effective. I'm trying to find all isolated, non-intercepting polygons in the same layer (not to merge). Most share boundaries, and a few overlap. Area varies so it unfortunately cannot be the deciding factor...

Tunisia’s “second city” is home to a large fishing fleet and a vast coastal redevelopment project. أكثر...

I am currently using Python 2.7, Django 1.8 and Windows 7. I am trying to set the Windows environment variables, as per the instructions here . When I try to do this using the Powershell, I get the following error. PS C:\IHCDA> set PATH=%PATH%;%PYTHON_ROOT%;%OSGEO4W_ROOT%\bin%PYTHON_ROOT% : The...

I have a geoprocessing service that returns a large amount of features (featureSet).I want to attach them in a graphics layer, but I dont wont to iterate over all them. I tried using the mygraphicLayer.graphics opotion so as to set the features (array of graphics) to the graphic layer but it...

IDIA presented a workshop on the process of Photogrammetry. أكثر...

In polygon vector layers it is not unusual to find overlapped areas and gaps, especially if they were digitized without using the snapping or other editing tools that allow to avoid such errors. If this kind of errors are not too big they can all be easily removed using the QGIS Processing...

Yemen’s Socotra Archipelago, dominated by the main island of the same name, is best known for its unique flora, with almost 700 species found nowhere else. Some of its plants have gained fame for their unusual forms, such as the dragon blood tree and the cucumber tree. Socotra’s millions of...

Last month Facebook announced a new location sharing feature for Messenger. Unfortunately mapping features on FB are still on a very basic level.**So when you need to quickly*share your location on Messenger or on computer I bet that Facebook maps were not your first choice. In most cases you...

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I'm trying to figure out if it's possible to bring web services into CartoDB as a layer. In particular, I'm currently trying to import an ArcGIS Feature Service: http://data.nconemap.gov/geoportal/catalog/search/resource/details.page?uuid=%7B20945466-5E79-458C-AB52-5E2899961E45%7D I'm sure...

how to Calculation avarge distance Between many Building blocks( landuse feature) on network in gis?Thank you أكثر...

Does anybody know where I can find the technical details for Burma's latest datum? It's called Myanmar Datum 2000 and I can't find any details online. I need the details to create a custom datum on my Garmin GPS. What I need is the dx, dy, dz, da, and df. If this isn't available, what is the...

Using GM 14.2. I have nearly 5000 km of GPS Tracks and I need to remove the date, time and speed from them. Is there a way to remove these or... أكثر...

Got recommended to ask you guys. Do you know any map software/program that could automatically find the lowest land-point in a country and when you would like to, find the second lowest, third lowest land-point and so on ? And on that same coin, a software that could find the highest point...

Hi I have installed python 27 in one directory c:\program files\python27 and arcgis 10.2 in another directory c:\program files\arcgis, and within this folder there is c:\program files\arcgis\desktop10.2\arcpy. After opening up the arcgis map interface I can activate python IDLE and start using...

I need greenspace data for Brighton and Hove and Dudley areas. Does anyone know where I can get this? I have tried to extract it from Open Street Maps but the areas are too large and it crashes before the data is downloaded. Thanks أكثر...

I am trying to download data from the whole of Dudley area, this is to get open green space data as I can not find it anywhere else. Does anyone know a way to download data at this sort of scale as every time I try to get data (even at ward level) it seems to crash? Thanks. أكثر...

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Hey guys I'm trying to link a pdf to a parcel (see image: http://imgur.com/RbauB3v) where you click on one parcel and a specific pdf comes up and if you click on another then a different pdf comes up. I've got it so far that if you click on a parcel it shows a pdf but the problem is that is...