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im having trouble visualizing any vector file i add into my QGIS what could be the problem. EVEN IF I ZOOM TO THE LAYER EXTENT IN CANT SEE A THING ALTHOUGH THE ATTRIBUTE TABLE CLEARLY INDICATES THE PRESENCE OF INFORMATION,THIS IS THE SAME THING AGAIN WHEN IM TRYING TO TOGGLE EDIT أكثر...

I am trying to find a way to get the Geo Transformation (NW corner position, pixel size and rotation) for a given tiff image. I have a tiff which I know is using some coordinate reference system (an UTM projection using the WGS84 reference ellipsoid). I would like to make it a geotiff using a...

I am looking for a way to add a picture to my map using pyqgis. Are there any examples of how to do this. I know it can be done using the classQgsComposerPicture. I am not much of a programmer so I cannot decode the api documentation. Any links where I can find such examples or documentation...

I am looking for any open source GIS library which can work with Microsft HPC or Hadoop. أكثر...

I have a constantly updated Excel file containing address information which I am currently copying into the attributes of new polygons which I am creating on a daily basis. I am currently doing this my manually by copying the address across from the Excel file each time a add a new polygon. I...

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I am trying to put an image and draw a polygon and around that point and line to another image . i tried following code from sharp map but its shows many erors. So that i cant test with my map.code from shrpmap SharpMap.Map mymap = new SharpMap.Map(new Size(100,100))...

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According to Esri, ArcGIS Pro is not a replacement for ArcGIS For Desktop and both can to be used side by side. I tried migrating/importing Map Document, etc. to ArcGIS Pro but I do not see the same from ArcGIS Pro to ArcGIS for Desktop. As there are some tools that are currently only available...

The Oracle Spatial Summit 2016 has joined forces with the annual Business Intelligence, Warehousing, and Analytics (BIWA) Summit. The summit is scheduled to be held from January 26 to 28 in Redwood Shores, California. This is the premier event for Oracle’s spatial technologies, offering...

I am using geoserver 2.5.5. I have to get the legends of each category from different link. Now geoserver gives whole legend as a PNG image format using this link http://localhost:8080/geoserver/wms?REQUEST=GetLegendGraphic&VERSION=1.0.0&FORMAT=image/png&WIDTH=20&HEIGHT=20&LAYER=topp:states...

السلام عليكم ورحمة الله وبركاته اليكم المرأة التى قام باخذ صورة مأساوية للطفل السورى الغريق هذه هى الانسانة التى فضحت البشرية صورة:... أكثر...

I am following this tutorial. But as per this tutorial the the center point is located in Netherlands. Now I need to change this for Victoria, Australia.Could you please tell me how can i change it. Using BRutile Lib for sharpmap. Transform transform = new Transform(new PointF(629816f...

أرفع للمهتمين رابط برنامج مهم لمن يريد انجاز وردة الرياح كما انه ينجز أشياء كثيرة تهم الجغرافيين منها مثلث التعادل واتجاهات الرياح وغيرها ... أكثر...

Is Ortelius a good substitute for Adobe Illustrator? How about Affinity Designer or OCAD? Personally I was stymied by Affinity Designer and OCAD seems too expensive to me. Hands up, please -- who's enjoying Ortelius? MvW أكثر...

I am using QGIS 2.8.3. I started by classifying my area into habitat types using the semi-automatic classification plugin (SCP). Then I added points, and a 4m buffer around the points. So I could then clip the results of the SCP by the 4m buffer, to figure out what the habitat types are within...

I want to implement 4D Choropleth Map on cesiumjs. Anyone know how to do it and show me the code? أكثر...

I need to export from Arcglobe in 1920x450 ? Is that possible? Any solution using Adobe illustrator as well? thanks for the help! أكثر...

Is there an easy path to visualizing this LIDAR data? I have QGIS, and some USGS LIDAR data in (.las) format downloaded from http://lidar.cr.usgs.gov/ . This means I have both the (.las) and metadata in (.xml) format. I am aware liblas, but not how to apply it to this task. I am running...

How to export spatial datasets in R, such as "tornados" dataset in "GISTools" package, as a shapefile with the exact same spatial reference and the exact values? Library(GISTools) data(tornados) "SpatialPolygonsDataFrame" to "shapefile"---"SpatialPointsDataFrame" to "shapefile"---"(Forced)...