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From one million miles away, the DSCOVR satellite returned its first view of the entire sunlit side of Earth. أكثر...

pgrouting: could not access file "$libdir/librouting": No such file or directory I have this error that many others had before. It looks like the solution should be to edit the routing_core.sql file and change $libdir/librouting to the full directory. However, I am a little confused about the...

I have the following Lat/Long which I converted to DMS using the following calculator: Decimal DMS-96.2 96 12 0-95.13 95 7 47.999429.3 29 18 0 29.98 29 58 55.1994https://www.fcc.gov/encyclopedia/degrees-minutes-seconds-tofrom-decimal-degrees I want to use this data in...

I'm having some really nice raster maps in geotiff format. I would like to add some features to these maps as well as then exporting them as tiles for serving the map from a web server. Preferably I would want to be able to work with the different geotiff files in a software like QGis or...

I am trying to create a 2d Python array using data from an ArcGIS attribute table. Here's the code I've written so far: import arcpyimport numpyinput = "c:/data/from/arcgis"a = arr["OBJECTID"]b = arr["SoilEvap5"]np.columnstack((a,b))print arrWhen I try running this in the ArcGIS Python window...

I'm looking for a way to orthogonalize building outlines which I've extracted from a high-res DEM. I'm using the FOSS GIS stack (QGIS, GRASS, SAGA, PostgrSQL, PostGIS) and can code in Python (or Java). I want any building corners which meet at nearly 90 degrees to be snapped to exactly 90...

I am working on a project that is modeling runoff at a county level. The DEM used is lidar derived and has a 5 ft resolution. The general workflow I am flowing is Sink evaluation Sink Selection (to give a minimum drainage area) Fill sinks (using the deranged polygon from the sink evaluation...

Tutorial creating custom widgets using Esri’s Web AppBuilder Developer Edition 1.1 for ArcGIS Online Organization 10.3.1 on Windows 8.1. These widgets are only running on the local “stemapp” test app. To deploy your own widgets you must host your app from your own server. أكثر...

Bonjour tout le monde, Au sein d'un projet .mxd, j'ai 2 blocs de données. Il y en a un que j'ai découpé avec un shapefile et puis superposé parfaitement au second. A l'affichage tout est impeccable ! أكثر...

I'm trying to publish a map document as a service from ArcGIS Desktop 10.3.1 to ArcGIS Online. It works just fine, except that ArcGIS Online automatically loads in a basemap. This usually isn't an issue, but I'm working with a map of Io, one of Jupiter's moons. A basemap of the earth is less...

I tried to run driving distance function but got error. function driving_distance(unknown, integer, integer, boolean, boolean) does not exist LINE 1: SELECT * FROM driving_distance(' ^ HINT: No function matches the given name and argument types. You...

I have a time field in my shapefile that is formatted as HH:mm:ss.s It is a text field, and I want to convert it to a date so I can calculate time elapsed across rows (if there's a better way to do this let me know). Basically, each row is a point on a route, and I want to use the time field to...

I have a project in QGIS with multiple layers that I have to render separately. E.g. parks and distances to them (their buffers), travel time isochrons (interpolation with colors), density heatmap, etc. I have several areas of interest, and for each of these I want to generate N pages. Each...

Please, some help! I've an animated torque visualization in CartoDB. The Time Column of animation is date type: 2015-07-03T00:00:00Z The visualization is ok, but in the mapview the timeslider write the steps like '07/03/2015' (month/day/year). And I want the timeslider write '3 JUL' (day...

The ArcREST team or people.. released v2 final and moved v3 to the main branch on the ArcREST github page. Why is this exciting? We we continue to take all the feedback we get, especially the comments found here: http://github.com/Esri/ArcREST/issues and improve the package. Some v3...

The Esri User Conference has started with a flurry of great presentations on what ArcGIS Pro will bring. The first half of Monday's Plenary showed that 3D is here and not a niche market anymore. We live in a 3d world so it is only natural that GIS is moving in that direction. Pro is...

I have been building a web application using ArcGIS JS API v4.0.Beta1. I am having difficulties finding out how to add KML layers to the scene. How do I add the KMLs? I have tried adding a new feature layer with the URL from the host server and I am having no luck. Example of what I've tried...

I am merging several counties into one feature class and creating a network analysis dataset for routing. However, I have one particular county that I can't get routes for. I have checked topology, snapping to surrounding counties, and network dataset builds, but no routes found within that one...

Been banging my head against my desk all day trying to figure this out. So any help would be greatly appreciated. I'm attempting to export a .dae collada file from Photoscan to ArcScene. I've followed instructions from a couple of sources, created the file geodatabase, imported the file as a...

I have web app based on http://bl.ocks.org/javisantana/d20063afd2c96a733002 template. I tried to make highlight polygon feature and unselect highlighted feature on mouse click with report names all highlighted features on map (in console). Please, help me add this functionality. Example web...