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I have one input layer with the attibute values and i wanted to join the attribute table of the input layer to the another layer with unique values using python.gis.stackexchange.com/questions/89706/how-to-merge-shape-files-with-attributes-from-a-python-script-in-qgisThis link gives the...

I have a road network of center lines of MultiLinestrings.They have nodes at every intersection.I try to understand how I can merge roads together that have the same category as attribute (There are about 80 different categories). Roads with the same category is not always connected, So i guess...

I am new to arcobjects using VBA. I have a point feature, and i want to draw polyline using point feature as starting point in desired direction and distance. And I have to draw second line basing the end point of the first line. To draw third line,starting point should be second line's starting...

Autocad Map 3D : Modify image,Raster image Clipping Boundary أكثر...

I have a set of data as polygons, each with a Number field with value X. Is there then a way to copy this into X number of polys at the same location? (ideally points distributed across the poly but that's a bonus). In QGIS I have tried Random Points, but this doesn't inherit attributes, and...

Since 3 days im trying to make a function in openlayers 3 to recalculate my legend with the data at the screen and not the data of all the maps. The website http://datashine.org.uk/ get this function, in the top of the legend there is a buttons"rescale for current view" whitch is re-create a...

I am trying to draw the polyline between the 2 points and my requirement is, the polyline should stop drawing when it reaches the specified area surrounding the destination. I mean I don't want the line to end exactly on destination, instead it should end on destination or when it is near to...

MapInfo "Boundary Select", "Sum Attributes", and "Update Column by Spatial Query" in I´m a MapInfo user, I´ve gone over to QGIS and it´s got a lot going for it, except for some "missing" simple features from MapInfo I just can´t do without.... MapInfo Boundary Select - spatial query on...

I am new to PostGIS. How can I store 2D elevation data? I have uniform raster and for every [x,y], height is set. I want to be able to use this in my queries (something like SELECT height FROM data WHERE index = [10, 15]). I also need to write this data from my C++ application (it is not earth...

I'm trying to make union then difference between the same polygons using this code: ST_Simplify(ST_Difference(ST_Simplify(ST_MakePolygon(ST_ExteriorRing(ST_UNION(parcelles.shape_prcelle, d_poly.geom))), 0.001), d_poly.geom), 0.001) i've added some simplify to remove any very small errors in...

Does anyone know if there is any public documentation on how to create these? أكثر...

2015-07-27 14:01:04 | Van 17 tot en met 21 augustus 2015 vindt er een summercamp voor volwassenen plaats op het GeoFort in Herwijnen rond het thema cartografi أكثر...

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I am working in ArcMap 10.2.2. I have a shapefile with line features which I labeled with some vb code. The problem is when I zoom out there are labels that disappear, I have around 4000 features but I don't know how to keep all the labels. I would like to create some DDP (data driven pages) and...

2015-07-27 13:43:59 | Woont u aan het water? Dan is uw huis 6 procent meer waard. Dat blijkt uit onderzoek dat het Kadaster samen met de Vrije Universiteit heeft uitgevoe أكثر...

I am trying to import a very large sqlite file into Postgres SQL 9.3. The first tool I tried to use was OGR2GUI (http://www.ogr2gui.ca/). The 64 Bit version does nothing, whilst the 32 bit version says unable to open ogr2ogr ! I have tried running org2ogr from the command line too, I have...

The layer being used as the Clip Features has been used before and worked fine, so I assume the issue is the layer I am trying to Clip (Input Features) - I keep receiving the same error when running the Clip tool : Error999999: Error executing Function Invalid Topology [Topoengine Error]...

I have a mass of KML files, approx 350+ that I need in a single fGDB. I lifted a string of code from ESRI help to attempt to do this - I got it working to the point of creating all the individual gGDBs (one per KML) but its failing with an invalid character in a variable somewhere. Below is the...

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