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Venezuela's Presidential Decree 1787 of 26 May 2015 apparently extends a new zone of military operations into the Exclusive Economic Zones (EEZ) of four other countries. The areas of each EEZ affected by Venezuela are as follows: Barbados 294 sq. km Trinidad & Tobago 4,531 sq. km Guyana 118,156...

Recently, after long stretches of GISing like a beast and then sailing and assailing on Assassin’s Creed IV: Black Flag for a few hours each night, it really started taking a toll on my wrists. Wrist pain happens to us all from time to time, but if you don’t take care of them, it could take you...

Summary: In a new study published today, scientists from the U.S. Geological Survey found that the remote northern Alaska coast has some of the highest shoreline erosion rates in the world Contact Information: Ann Gibbs ( Phone: 831-460-7540 )...

Hi, do you know how to replace raster values form a second raster file with different extent? Software: ArcGIS 10.2.2 I've tried raster calculator, but then new raster will only have size for that area, where pixel have been replaced. أكثر...

gisgames: “Taming ferocious data of the geospatial world. Where’s your #raptorsquad?” (x) أكثر...

I have not really used Graphs in Arc that much. I was wondering if it possible to make a graph that can be interactively changed to the selections that are input into it. Ideally something like a Pivot chart - Where the selections are being made from the TOC. MadeUp Example There is a...

I have a enterprise SDE feature class and need to retrieve its data. Attempting to copy all the data at once appears to be problematic. How do I take a feature class and split up the data retrieval (data page) in order to retrieve smaller chunks of data? I've been using CopyFeatures_management...

I am working on Land Use/Land Cover Classification of the Hindon river(India) watershed extracted using Aster DEM. Landsat 8 scenes had been used and mosaicked for the required AOI using the Watershed shapefile. I am facing a lot of troubles in the Unsupervised Classification, ISODATA method as...

I cannot find a shapefile that gives me only the outline of Ireland, instead they include different regions/divisions. I only want the outline of the island itself i.e the coastline How do I dissolve these boundaries? After they are dissolved, do the proximity tools recognise that these...

This maybe a naive question but I can't help any online help so far. So we have some data in Shape files. The data is in NAD_1983_StatePlane_South_Carolina_FIPS_3900_FeetWKID: 102733 Authority: ESRIas Projected Coordinates. When I bring the data into an ArcMAP document and superimpose on a...

More specifically my question would be if there is a way to create a grid over the digital elevation model in GIS and extract points, or elevational data, from the intersecting point of the grid? I know the spatial analysis tool allows you to extract elevational data from points on a shape...

I need to update a row in my column like update my_table SET column_name = 'vector = 1 AND value IN('A','B','C')'This does not work and I am not sure how I can write the SQL so the =(sign) is ignored.I basically need it to be accepted as a text string to be updated. Just to be clear; vector =...

I am currently working with compressor stations on centerline routes. These compressor stations have a 3 mile buffer surrounding them. I wish to cut a portion of the circular buffer off. These cut buffers represent unidirectional flow on the route. I plan to clip the lines within each of the...

Is QGIS 2.10 Pisa for Ubuntu/Windows already available? أكثر...

I have a postgres 9.1 database with postgis 2.1, and I recently needed to add sfcgal to it, so i rebuilt postgis 2.1, but I can't find out how to update the postgis extension in postgres without dropping all data. Is there a way to do that ? ALTER EXTENSION postgis UPDATE;returns a notice...

I have 100 destinations and 5 vehicles and I need to code a solution that efficiently routes the vehicles to each destination, so each destination is visited by 1 of the vehicles. Some of these destinations could have time windows to be visited during as well. I'm using PostgreSQL and PostGIS...

I am trying to iterate through an excel with over 200 sheets and join each to a ZIP code layer. I then need to symbolize each of those the three different ways and save that to a layer file. In order to do that, I need the model to keep the original field names so the symbology can be done for...

bonjour à tous je veux mettre sur pied un système de géolocalisation avec opengts sur Windows 8. je suis bloquée au niveau de installation et compilation j' ai les 03 erreurs suivantes: error: ``build\ilb\tools.jr'' error: ``build\track\EB-INF\classes'' error could not find or load...

Bonjour, Je cherche un moyen de comparer géométriquement 2 rasters. En l'occurence, j'ai des images IRC d'une zone et la BD Ortho et je cherche un moyen automatique de les comparer et de relever les écarts de géométrie entre les 2. J'ai vu que la comparaison de raster était possible sur...

By Sue Briggum Many U.S. companies take pride in being more “sustainable” by reducing environmental impacts and engaging constructively with the communities in which they operate and the customers they serve.* Corporate sustainability reporting is replete with examples of resource...