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    Grass GIS nearest neighbor interpolation in vector map rasterization

    I find it ridiculous that there is no Grass GIS command for surface interpolation from a vector points map to a raster map which would apply the nearest neighbor interpolation in the process. These won't do: v.surf.bspline, v.surf.idw, v.surf.nnbathy, v.surf.rst Do I have other options than...
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    Convert GML to GeoJSON

    I have downloaded a GML file from Statistics Canada and would like to convert it into GeoJSON to use parts of it in a D3 visualization on the web. However, I did not find a converter that would do that for me (I tried http://converter.mygeodata.eu/ , but the GeoJSON it returned did not contain...
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    Shades of Blue on the Greenland Ice Sheet

    When it comes to the blue hue of meltwater lakes, darker means deeper; satellites can help scientists discover just how deep. أكثر...
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    Export qGIS Print Composer PDF with searchable text labels

    I have point features with text labels on my map. When I export as PDF, I can search elements that were constructed in the print composer, like the legend, scale bar, etc. However, labels of features on the map are not exporting as searchable text. I've tried exporting in SVG and PDF. I'm not...
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    Extracting border between contiguous polygons using ArcGIS for Desktop?

    I have a shapefile with polygons representing unique populations. I want to determine contiguous polygons in my shapefile, and then extract the border separating contiguous polygons as a separate polyline file. Importantly, I require the created polyline file to indicate the two polygons it...
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    Extracting polyline of border between differing polygons using R or GRASS?

    I have a shapefile with polygons with an associated variable that can take different values. I would like to extract the borders between polygons of differing value (red and blue) as a polyline (dark black line). I would prefer solutions in R but will accept other open source solutions...
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    Dust Storm Sweeps Across Middle East

    A large dust storm reduced visibility across much of the Middle East. أكثر...
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    Rough Fire, California

    In early September 2015, the Rough Fire was the largest active wildfire in California. أكثر...
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    GIS flow accumulation errors

    I have been trying run flow accumulation from the spatial analyst extension in Arc 10.3. I'm using a raster DEM from downloaded from the National Map. I used the fill and flow direction functions without a problem and my computer accomplishes these tasks in a couple minutes. When I try to create...
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    Why am I unable to enable my addin extension?

    I am working on an ArcObjects addin for Desktop 10.1. I am using the SelectionExtension as a template for my addin. I was unable to listen for events through a dockable window, so at others suggestions I am trying to use an extension. I tried an editor extension, but for some reason the...
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    Get closest N points [on hold]

    I've got a list of GPS coordinates, depicting shipping addresses. It needs to be cut into chunks of fixed quantity, grouped to minimize distance of travel. Now, I can reinvent the bicycle, but I'm pretty sure there is ready\semi-ready solution. Platform\language is not really important, I'm...
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    qgis export latitude longitude of a boundary

    Is there a way to export US state's boundary as a set of points(latitude,longitude) at some distance apart given a US map like cb_2014_us_state_500k.zip in a text delimited file? أكثر...
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    How to create template_postgis database?

    I wrote the following code to psql (Sql Shell) createdb -T template_postgis nyc;but does not work because syntax error . trying to make an example of the links related aim GeoServer.I have postgis 2.0 and postgresql 9.4...
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    Measuring the Number of Trees in the World

    Using a combination of satellite imagery, forest inventories, and supercomputer technologies, researchers estimate there are 3.041 trillion trees in the world. The post Measuring the Number of Trees in the World appeared first on GIS Lounge. أكثر...
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    Classroom Clutter and Pests Go Hand-in-Hand

    By Marcia Anderson Classroom clutter attracts pests including roaches, spiders and rodents. Schools and childcare centers, by their nature, are prone to the accumulation of boxes, papers, posters and books that are utilized by teachers. Unfortunately, some of the nation’s finest school...
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    Change single patch color in geopandas

    Using this map of NYC I'd like to change Manhattan to be bright blue. But when I change the individual patch color of Manhattan all the other patch colors change too. This was unexpected to me. How do you change the color of one individual patch? from matplotlib import pyplot as pltimport...
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    How to save a a CartoDB buffer to its own data table/layer

    This seems like a dumb question, but I want to create (or add to) test_table2 a buffer feature from test_table1 point layer. INSERT INTO test_table2 (SELECT ST_Buffer(the_geom_webmercator, 1000) AS the_geom_webmercator, cartodb_id FROM test_table1)In this example, test_table2 already exists...
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    Invalid value for attribute x="NaN"

    I'm working a jQuery Mobile page with an ESRI jsapi map and a dialog which calls on a geocoding service to return an x/y which I plunk a graphic on the map and then center up on. This site runs very nicely on my desktop.. However, on the phone the results do not populate the map. I used the...
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    How to generate map tiles including world files in QGIS?

    Is there any way to export bitmap tiles including world files from a QGIS project? I've tried QTiles but it seems not to support world files. أكثر...
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    Our New Victoria Office!

    Boundless Victoria (British Columbia) is growing – and has moved into a larger location down the street at 880 Douglas. Join the Team If you are interested in working on OpenGeo Suite (and a whole host of open source software) please check out our jobs page. The Victoria office is a great...
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