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Welcome, this is my first post.I have vector layer with buildings heights and vector/raster DEM file.I need to create solar maps with sun radiance values on the roof (and on surface, ofc). I am trying merge buildings with DEM, but I dont know how excatly to do it. I converted vector buildings to...

I need to build a complete "GIS interface" with openlayers geoserver some shp geographic data the sig must contain research queries and attribute teller of geographic data & distance measurement etc...pls telle me books or web site to consult أكثر...

Geospatial approach in Soil Quality Assessment*by*Dr. Suresh Kumar أكثر...

TweetRecently released*US Topo maps*for Florida now feature more trails using data provided by the*U.S. Forest Service*as well as trail information from other federal, state and private sources. Several of the 1,028 new maps for Florida now display parts of the*Florida National Scenic...

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I have a series of about 40 small GeoTIFFs that need to be merged together to make one large image. Each GeoTIFF has 2000 bands. I've tried using both gdal_merge and gdal_retile to pull the images together. While this works to pull them together and put them in the right places, it doesn't...

I have a district shape file (districts have different size) and a raster file of precipitation (18 km grid square resolution). I want to calculate precipitation for each district which I did using zonal statistics using my district as my feature zone data, precipitation as my input raster and...

I have converted a polyline grid to raster. The problem I am having is the output raster I get is too "thick". I need the resulting raster to be thinner and look more like a line. The pinkish raster is the output I get from my polyline to raster. I'm wondering if I can make that thinner and...

2015-09-16 16:22:26 | Op 15 oktober 2015 zal Imagem wederom haar jaarlijkse evenement voor en met klanten, partners en prospects organiseren. De inschrijving is al أكثر...

با سلام همانطور که م أكثر...

I have a raster with the extent of some sinks. Now I need to delete the sinks smaller than 10 squaremetres, because they are not important for my project. How could I accomplish that? (It's basically the same problem as here: How to remove small "salt & pepper" polygons from a layer?, only...

So I've imported a osm dataset into a PostGIS db using osm2pgsql, however when I call ST_asText( way )I get weird coordinates like "POINT(16767838.9 -4051592.94)"What format are these longitude latitude points? How do I convert them to I guess "normal" longitude latitude points like...

I have the following geojson that I would like to convert to MapInfo tab with ogr2ogr: ogr2ogr -f "MapInfo Tab" output.tab input.geojson geojson: { "type":"FeatureCollection", "crs":{ "type":"name", "properties":{ "name":"urn:ogc:def:crs:EPSG:3857" } }...

I'm using arcpy to compare two Feature Classes from Esri File Geodatabases using the FeatureCompare method (http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001700000004000000).The script itself works very well. However it always uses the OBJECTID to perform the comparison. Does...

Bonjour, Je souhaite découpé des lignes à l'intersection avec des points. J'ai trouvé la fonction "Intersections de lignes" dans "Vecteurs" mais cela marche avec 2 couches de linéaire. Je souhaite couper les lignes a chaque fois qu'un point est sur son tracé. Les 2 lignes créer garderaient...

Bonjour, nous avons besoin de faire le point sur les solutions présentes sur le marché afin d'effectuer des relevés d'informations géolocalisées. Comme beaucoup aujourd'hui, nous utilisons les informations géolocalisées sur le terrain et souvent avec du matériel en configuration "lourde"...

I have always been fascinated by the people who pursue the world land speed record. In this case it’s a British group that claims they are building a 1,000 mile per hour vehicle. At that speed... Click Title to Continue Reading... أكثر...

can anyone share with me the shapefile with taluk boundaries for India in 2001? Or let me know where I can find this Thanks! أكثر...

I have a shapefile map loading problem with a .prj file and .qis and .cpg because QGIS can not read the reference coordinate system. أكثر...

Summary: Recently released US Topo maps for Florida now feature more trails using data provided by the U.S. Forest Service as well as trail information from other federal, state and private sources Contact Information: Mark Newell, APR ( Phone: 573-308-3850...