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I'm fairly new to QGIS and was hoping someone could help me load some MrSID photos into QGIS. I have read some posts and have installed the OSGEO4W Installer and selected the GDAL-MRSID Lib. I also have the GDAL plugin installed. However, after it installed I rebooted but have the same...

Esri interactive map shows neighborhoods in the City of Philadelphia that have renovated their exteriors. أكثر...

Esri interactive map features the wealthiest zip codes in the Albuquerque metro area. أكثر...

با سلام. از دوستان کس أكثر...

We are taking CartoDB data for this Canadian election map -- http://cdb.io/1TabLyz -- to create a version that adds toggle buttons to filter by political party. However, the buttons only work properly for data filtered out of the original map. Which would be fine, except the infowindows don't...

I want to use nviz in QGIS2.10.1-Pisa on windows 7 and I always get the same warning message : "Module nviz not found", whenever I click on it in the GRASS tools Modules list. I have tried to uninstall and re-install from a fresh download (Standalone installer) to no avail.I know there are some...

برنامج SAP 2000 من اهم البرامج لتحليل العناصر الانشائية.واكثرها انتشارا علي مستوي العالم فهو من انتاج شركة CSI في كاليفورنيا.ويعتبر من ارقي البرامج المستخدمة من حيث المدخلات والمخرجات في بيئة رسومية سهلة. ففي هذا الكتاب شرح الساب شرح رائع لهذا البرنامج لما له من شرح مبسط ووافي بالامثلة...

Bonjour à tous, Je dois faire parvenir à une société un fichier au format jp2 avec son fichier j2w (fichier de calage semble t'il). Je n'ai en ma possession qu'un fichier geotiff. Existe-t-il un outil gratuit me permettant de faire cette opération ? merci d'avance pour votre réponse. ++...

As a colorblind person who specializes in making maps for data visualization,I was inspired byBlake’s recent blog post on Introducing a Color Blind Filterto take a careful look at the limits of my own color perception with an eye towardhow we can make smarter color choices for more accessible...

i have Qgis 2.10.1 Pisa and GDAL 1.11.2, and i cant open MrSID (.sid) images en QGIS, i have lost three days trying to make it work, but i cant make it. My linux is 14.04 trusty tahr. Thanks ! Eduardo أكثر...

I want to generate a .vrt in epsg:3857 from a series of raster tiles in epsg:4326, and am trying to do so in one step using gdalbuildvrt with the -a_srs flag: gdalbuildvrt -a_srs epsg:3857 ortho_3857.vrt ortho-*.tifThe projection is changed to 3857 as desired, however the corner coordinates...

I'm looking for a smartphone application that will allow me to take notes at a site in the field and associate each note with a geotag (like photos) of the current location which I can then later import in to GIS software. What options do I have? أكثر...

I am trying to publish a locator service with support for a place-name alias table, in ArcGIS for Server 10.3. It should function similar to the Esri World Geocode Server which allows users to search for place names such as "Starbucks" over an extent. So far I have not been able to publish the...

To begin this question: I have very limited programming/coding experience and will likely need a detailed explanation if you decide to answer in that route. We are hosting a number of LiDAR services on ArcGIS Server, and need 24 of these to be cached, from 1:500,000 to 1:4,000.We initially had...

When using the node tool with topological editing enabled on a group of multiple lines, double clicking sometimes doesn't create new vertices. Instead, the line segment gets selected. When this happens, the only solution is to select a different set of lines or a different tool and then return...

I'm trying to identify and geocode several train stations based on location codes that were supplied to me. Most of them take the form "CCSSS" where "CC" appears to be an abbreviation for a country (such as "GB" or "BE" or "US") and "SSS" appears to be a station code. However, some of the...

I have created a shapefile with some polygons and am now trying to calculate the area of these polygons. The original CRS was WGS84, I have reprojected it to WGS 84 / World Mercator so unit is metres. On-the-fly projection is on. If I'm now using the field calculator to calculate the area of the...

I am particularly interested in extracting Aerosol data from the hdf packed file. I have to do this over several years worth of data im thinking about extract subdataset and project it using a model-builder (i think its better then using HDF-EOS TO GEOTIFF CONVERSION TOOL HEG especially that i...

What are the limitations on the maximum number of features that you can select in ArcMap and QGIS? أكثر...

I want to use QGIS with Qt 5.But i don't know the exact relationship between Qt and QGIS.Will there some problems if i use qgis with qt5 or it will not depand on it... أكثر...