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New to qGIS and learning as fast as I can. Great forums. Is it possible to capture "Z" axis (elevation) using GPS > Add Track Point? Thank you! -N أكثر...

I am trying to create mosaic in geoserver out of 3 jpg pictures.Every picture is accompanied by appropriate .jgw and prj file. IMG_3293.jgw 0.0300000 0.00000000 0.00000000 -0.0300000 19.80492000 45.30164700 IMG_3298.jgw 0.0300000 0.00000000 0.00000000 -0.0300000 19.80416700 45.30286500...

I'm using QGIS to make maps of the maize, rice and wheat cultivated area at global level. I found these great netCDF files: http://www.geog.mcgill.ca/landuse/pub/Data/175crops2000/NetCDF/ Here's an example of the maps that they can generate: Maps I have loaded the maize, rice and wheat...

I need to convert approximately 3500 jpeg2000 4-band NAIP images to GeoTiff format without mosaicing. I have access to ENVI, ERDAS and Arc 10--is there an efficient way to batch convert these files to GeoTIFF while maintaining quality and band integrity? Thanks much. -Aaron أكثر...

With the increased interest in Geiger – mode* and single photon lidar this webinar from last spring will help you to understand the benefits of this important new technology. Click Title to Continue Reading... أكثر...

Re: EasyGIS and WPF Easy GIS .NET doesn't have any WPF controls, but you should still be able to host the SFMap control in a WPF application. Search for hosting Win Forms controls in a WPF application. أكثر...

Hi I want to share a map about the Pacific Ocean explorations published in Histoire Le Monde National Geographic Magazine. The map tries to get an "old" XVII century look, but maintaining the modern legibility. You can see the full map in detail at...

I want to generate vector tiles with Mapnik 2.2.0 (That's the latest version that can be installed on debian wheezy). According to this answer, I need to compile mapnik with mapnik-vector-tile which provides C++ headers. v0.6.x of mapnik-vector-tile supports Mapnik 2.2.0 so I can use that...

Are there any webserveices/APIs that can take a country name and return a random GPS coordinate (not including the sea/ocean sections) inside that country? أكثر...

I am using Mapbox-iOS-SDK 2.1.2 and I need to know when the user changes zoom level on the map view. I know how to get the current zoom level, but I don't see any delegate methods for determining when the zoom level actually changed. My reason is I am trying to mimic the scale dependencies...

I've been browsing the new ArcGIS Online credits policy, but I don't understand very much how much money this service would cost to my company. I've read two webpages: http://www.esri.com/news/releases/12-2qtr/arcgis-online-will-change-how-you-think-about-mapping-and-gis.html...

MapInfo Pro Raster in*INTERGEO TV Trend and Media Forum 2015 أكثر...

I have followed this Url http://resources.arcgis.com/en/help/main/10.1/#/Printing_maps_that_contain_secured_services/0154000005q3000000/and trying to Printing maps that contain secured services. I am using PrintTask to execute and getting an error "Error executing tool. ExportWebMap Job ID:"...

I have the following Situation:csv-file with 1000 lines of measurements. These measurements were done indoor in a building without GPS. The measurement-system allows to set "markers" at any time.Afterwards i would like to "georeference" the measurement with these markers in QGIS 2.10.1.The csv...

I have no raster layers in my map document and no transparencies. Yet the map is rasterized when exported to AI. (Map frame and coordinate grid are vector graphics but everything in the map itself is a single raster image) I've exported maps to AI before and I did not have this problem. This...

Imagine the possibilities if a fully interactive and mathematical correct 3D model of ground infrastructure were available on your computer. Aero3dpro is cutting edge technology that offers incredible advantages over standard orthophotographs and other mapping tools. أكثر...

This is the final post in a three-part series exploring the client-side*GeometryEngine in the ArcGIS API for JavaScript. This series covers the following topics: Part 1: Testing spatial relationships and editing Part 2: Measurement Part 3: Overlay Analysis In the first post, we reviewed...

I try to convert my multipolygon layer to multilinestring - here: http://postgis.refractions.net/docs/ST_ExteriorRing.htmlI found example: "(...)--If you have a table of MULTIPOLYGONs--and want to return a MULTILINESTRING composed of the exterior rings of each polygonSELECT gid...

I want to filter an OpenLayers(2) vector layer based on tags. Therefore, the vector layer has a property column which can be filled by comma-seperated tags like e.g. "culture,food,park", but also only one tag e.g. "food". I want to show all features who has one tag "activated" by respective...

I have 30 shapefiles of overlapping polygons and would like to union them into one shapefile. The attribute table of the 30 layers is exactly the same (two columns, Type and Origin). A new polygon should be formed where overlaps occurred, with only one "Source" column that contains the names of...