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Introduction to working with attribute data in QGIS أكثر...

At the COP 21 meeting in Paris Canada’s Environment and Climate Change Minister Catherine McKenna said that her government wants the Paris agreement to restrict planetary warming to 1.5 degrees Celsius.* She also said that the agreement should include a five-year review of each nation's goals...

Is there a way to merge multiple feature classes into one feature class in a geodatabase with ogr2ogr? If this isn't possible with ogr2ogr, is there another method? I'm using the ESRI File Geodatabase driver for GDAL. If the solution could merge all feature classes in a geodatabase matching...

I'm working with info windows, but I'd like them to be a bit bigger than the defaults in CartoDB. To display pictures and additional information. How can I make it so they are bigger? Is there any way in the GUI to do this? Is there a more advanced way that has some template I could easily...

I'm working in ArcMap 9.3 and I've never dealt with that kind of queries... I need to Select the MAX value from column [A] for each set of records in the table which have the same value in column [B] For example [A] [B] 100 aaa 101 aaa 102 aaa 999 aaa 100 bbb 101 bbb...

I am a total newbie on the GIS scene so I hope this is not a stupid question. I have two layers in a PostgreSQL database.The first layer contains points where events happened in Europe.The second contains a shape file of Europe.I have been able to map the points on the map of Europe using...

OK - so I have an interesting problem I am trying to solve. I have a list containing over 100,000 points in lat/long format which I have imported into qgis. Now, what I am trying to do here is group all of these points into box groups and by that I essentially mean that I want to split up the...

By Estrella D. Santiago Pérez The graffiti on the wall near the Mart أكثر...

This is a more of a noob GIS question. How are all the features on the maps we come use know and love (Google Maps, Bing Maps) generated from imagery? Does somebody actually look at the imagery and draw feature layers ontop using something like ArcGIS or is there algorithms for automatic...

How do I upload a .tif file to my running GeoServer via Node.js? I'd like to upload a GeoTIFF to provide it as a WMS by the GeoServer. أكثر...

Using Arc 10.2.2 with Spatial Analyst, I need to determine the spatial intersection of two rasters (both rasters are in the same coordinate system, and are aligned to the same snap raster). The two rasters have different values. Specifically, I want to determine which cells are occupied by...

We have a company standard template for figures in a CAD .dwg file, it is in paper-space (equivalent to layout view) in the CAD file. I would like to use the template without having to re-create it from scratch in Arc. For Some reason, I am not able to save the template as a .mxt, as I have...

Site Viewshed Analysis with DSM - Removing "false" visibility readings from trees and I've been working on modeling a proposed building and running a visibility analysis to determine from what areas the building could potentially be seen using ArcGIS Desktop with 3D Analyst. Using a DSM raster...

I am trying to install Cartaro on my Ubuntu 12.04 LTS. I have followed every step from this guide: http://cartaro.org/documentation/installation But on the 'Verify Requirements' page I get this warning which says ''GDAL extension not installed'. Also when I click on proceed with installation...

I working with a netCDF file related to precipitation over time in QGIS. When I import the file, QGIS reads the data indicating y-coordinate, instead of timestep, as the dynamic dimension to associate raster values with. When I use netCDF browser to select slices of the data, what I am getting...

The Oil and Gas industry is leveraging GIS through a seamless integration of geospatial technologies like UAV, sensors and existing computer systems. The post GIS in Oil and Gas appeared first on GIS Lounge. أكثر...

Red Hat has joined the LocationTech open source geospatial initiative.* Red Hat joins Google, IBM, Oracle, and Boundless as a strategic member. Other relatively new members are SensorUp and Planet Labs, who join Azavea, MapGears, Open Geospatial Consortium (OGC), Vivid Solutions, Glob3 Mobile...

The news from here is that I am starting something new. I am psyched*to be joining*Uber,*working *in Business Development/Partnerships, focused on*creating and managing partnerships with geospatial content & technology suppliers worldwide. Uber has a vision for changing the way people move...

Augmenting IoT data with interactive GIS mapping can significantly improve understanding of the data. The post GIS and IoT Business Applications appeared first on GIS Lounge. أكثر...

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