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This is one interesting feature of which I can't really think what the problem is. I have a shapefile of county with all sorts of demographic and economic indices to which I've created different styles (.SLD) in QGIS and uploaded the styles. Whenever I preview the layers via Open Layers, for...

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I am trying to get river cross sections of a particular river. I have DEM of the area. Can we get river cross sections from DEM? أكثر...

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I am writing a script which supposed to get a value for a field from user and use that value for a definition query. If I write it without variable:my_Layer.definitionQuery = "IncidentName = 'Hospital Rd, Kurri Kurri'"it works. If I try:AA = 'Hospital Rd, Kurri Kurri'my_Layer.definitionQuery...

I need to update fields in attribute table of a vector using QGIS. I use field calculator for each field, but i have too many fields (and too many vectors also) and i need to program the task. The code that i'm using for each first field is: segALD00*(((xmin($geometry) -...

ArcGIS Pro uses Python 3 whereas the other ArcGIS for Desktop applications (ArcMap, ArcCatalog, ArcScene and ArcGlobe) use Python 2: the changes introduced with ArcGIS Pro were significant enough to merit a module name space change. The new name also offers more flexibility in terms of the...

I'm trying to get some historical geographic information from Wisconsin and have been pointed the way of the TIGER/Line Shapefiles. Unfortunately, they're in a strange format (see, e.g., the files for Adams County from 1992 [.zip download link]), with file types like .F5A (a set of files of type...

I am having problems with lock files while deleting and copying geodatabases for backup purposes. print "Now backing up your Geodatabase"distutils.dir_util.remove_tree (r"\\Msukserver\gis\geodatabase BACKUP\EVERYONE\Mining Features (MATTHEW).gdb", 0, 0) # deletes 'everyone' backup...

We have around 60,000 separate shp - tab files. We have to move all those into a gdb. While doing so, at times the data are getting duplicated as shown in the fig. Lyr_1 - gdb layer. Lyr_2 - individual shp file. We have to identify the duplicates of Lyr_2 in Lyr_1(gdb) and give unique id's to...

I am trying to add a relate between 2 feature classes so that I can use the area of the related table to update a field in the original table. I found an ArcGIS Pro article (http://pro.arcgis.com/en/pro-app/tool-reference/data-management/add-relate.htm) for doing this, but a similar feature does...

I would like to extract land cover data in a buffer of 10 km around objects of class SpatialLines and calculate proportion of each land cover type. So, I used the function extract (package raster). I also used the function crop to crop my raster. In my raster, I have 10 land cover types. Here is...

I have a set of addresses that I am wanting to geocode. I have available a parcel/points layer consisting of addresses in the region which includes the fields - street address number, road name and road type along with a full string of these in one field. e.g. Address number - 12 Road name...

I'm looking for excellent geostatistics courses all over the world, including online courses. In particular, I would like to learn more about the kriging method. Can anyone give me some suggestions? أكثر...

Does anyone know how I could create a line between two points that have a common code? For example: I have the start and end point of a pipe as a lat/long for a network of pipes, each with a different ID. I want to create a line feature for each of those with the pipe ID which I can then...

Has anyone had any success of repairing disconnected layers that have selection sets that have their data sources broken in ArcGIS? Is there a way to detect this through code and then re-create that selection set? I tried: IFeatureLayerDefinition.DefinitionSelectionSet.Countand...

I am developing an add-in for ArcMap 10.0 where I need to execute code when there is a click on the map open. How do I do this? I am using VB in Visual Studio 2010. I also need to get the coordinates from the click event. أكثر...

I am new to CartoDB/Leaflet. Here's my fiddle...http://jsfiddle.net/zippyferguson/fLkqgf4q/1/ If you click the play button, I want it to load data to the map year by year from 1966 to 2015 from a CartoDB query. But, with each iteration, the map is cleared of data, and then the next year data...

For example, I have a netcdf file from WRF model, and its time zone is in UTM 00.I want to change the time zone to UTM 08, how to achieve that? أكثر...