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By Sierra Shamer, Guest Author The Atlantic Sunrise Project or Central Penn Line is a natural gas pipeline Williams Companies has proposed for construction through eight counties of Central Pennsylvania. Williams intends to connect the Atlantic Sunrise to their two Transco pipelines, which...

The digital elevation dataset resulting from the SRT Mission in the year 2000 is probably the widely used digital elevation dataset in the world. It was first released with a 90 at ground resolution in a more or less global level (56° S to 60° N). In 2014 the White House announced the release of...

با استفاده از اکستنشن mgis_tool م أكثر...

I can´t connected to geoserver catalog with the pluging. I put url and everything but it doesn't work. Any idea? Thanks a lot! أكثر...

I have a layer that has several overlapping areas (coming from CAD). So usually I do a "SORT" (tool), so I can view all the features. However, I wonder clip a shape according to their areas, it's means, to clip the lower area, to the largest area. Anyone know how? أكثر...

I am trying to import gdal raster data (a GeoTIFF) to a Postgis database, using the ST_FromGDALRaster method (http://postgis.net/docs/manual-2.1/RT_ST_FromGDALRaster.html). The question is that I don't know the correct declaration of the gdaldata (bytea) parameter in the SQL statement and if...

Does the strength of GPS weaken in rural areas? For example, based on how the satellites work, would the strength in the centre of Australia differ from a populated city in Europe? أكثر...

I have an old sde/9.2 geodatabase built on Oracle 10 R2 with multiple geodatabases in users schemas and try to upgrade to sde/9.3.1. I successfully upgraded the master SDE schema. Now when I try to upgrade the geodatabase in schema named 'John' I receive the following error: [Wed Oct 07...

I have netCDF files with some datasets with data and two datasets containing lons and lats. I would like to open data layers in QGis in coordinates that are writen in netCDF's lon/lat datasets. How could I do that? What I am trying to do is transform netCDF data to another coordinate system in...

I am setting cartoDB locally in ubuntu 12.04 by following https://github.com/danseely/cartodb-install/blob/master/DEV-INSTALLATION.md. And while installing Windshaft-cartodb there are some errors logged in npm-debug.log file. And below is the error in the log file 42454 info postuninstall...

I am working in ArcGIS 10.2, and have point data collected from 2 separate tablets with the same database schema. Both of these files have attachments (pictures) with them. I am trying to combine these two files and can't seem to find a way to keep the attachments when I do combine them. I...

Hello, J'ai un soucis avec une couche de polygones dont certaines entités ne sont pas sélectionnables via la carte. En revanche si je les sélectionne par la table attributaire ils deviennent sélectionnées sur la carte et parfaitement modifiables... Une idée de la nature du 'bug' ? --... أكثر...

im currently building some android application with arcgis, but my client using Identity Manager for auth user on the portal, i have tried using oauth2 Rest with token in my local development and going well, but when using client portal it's not working, is there Identity Manager ArcGIS...

For my dissertation I have collected point features as coordinates and want to relate their distribution around a lake to elevation to see if there is any pattern/relationship between them. I have downloaded the 5m DTM file for the location but want to be able to automatically calculate the...

Is it possible to set the style to hidden of certain parts of a layer of the map? The API documentation does not seems to have any property for it? I tried to add the following: var locatusObject = new ol.layer.Vector ({ source: locatusSource, maxResolution: 14, style: styleFunction...

I am writing a paper for my GIS MSc and trying to justify a hypothetical move for the EPA from proprietary GIS software to open source (QGIS). Can anyone hazard an educated guess as to how much ArcGIS would cost an organisation the size of the EPA per year? Are we talking 100,000's or...

Bonjour à tous, J'ai 2 tables : containers et points_collecte avec une relation (1,n) car un point de collecte correspond à un arrêt du camion poubelle et il peut avoir à collecter plusieurs containers d'ordures ménagères. J'ai donc un champ pt_collecte dans ma table containers pour...

I have a little problem with QGIS. I want to create a point shape out of my polyline shape and all the points shall have a fixed distance (in meters) while I use WGS84 as coordinate system. So what do I use for this? I tried QChainage but it does not work since my coordinate system is WGS84 and...

I have 91 .gz files procured from the Ordnance Survey and would like to import them all to ArcGIS as shapefiles. I know that the Quick Import tool in the Data Interoperabilty extension performs the process correctly for each file (using these steps), but it would be too tedious to do that for...

Deploying efficient raster GIS compression techniques means reducing storage space. It can save money, time and also help network performance. The post GIS Compression Techniques for Raster Data appeared first on GIS Geography. أكثر...