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I am trying to estimate the river channel width from digitized polygon or poly-lines shapefiles. To do so, I converted poly-line shape files to points.shp at regular intervals (at 1 cm). Later, I calculated distance between corresponding points distance from both bank. However, points...

I am working on automating OD cost matrix runs and am trying to figure out why running the data in arcpy gives a significantly different result then when run in arcmap. I have checked every setting (i believe) and they all seem to be the same. It uses the same network and the same origins and...

I need to get MODIS NDVI (MOD13A3), but output from EarthExplorer or Daac2Disk HDF format is a numerical range is -2000 to 9996. But I need for futher work basic range -1 to 1. Is there any conversion method? Thanks أكثر...

I am trying to create batch process to output indextiles from a folder (and subforders) containing TIF files. But I want the output shapefiles to go in a separate folder. My symple attempt: set INDIR=X:\raster\ mkdir OUTDIR=%INDIR%\tiles cd /d %INDIR% for /R %%i in (*.tif) do gdaltindex...

عندما يكون لدينا ملف بعنوان roads بعد انشاء geometric network لملف roads يتم انشاء طبقة roads_net وعند فتح arcmap واستدعاء ملف roads_net نجد ظهور... أكثر...

Dutch Kadaster is celebrating 200 years of maps with a cool site to view their maps through the years. See http://topotijdreis.nl/ There is also a "story map" at http://esrinl-content.maps.arcgis.com/apps/MapJournal/index.html?appid=b9cec623b4d844cdb3875bfdf6cee7df أكثر...

I'm a bit at a loss of configuring Open Layers 3 to display a generated TMS layer (in 3857) on top of an OSM layer.You can see the parameters of the TMS layer here.This is what I have so far, but that's not doing much...Anyone knows what wrong? أكثر...

So I have a bunch of different shapefiles loaded into qgis: i.e.: - shape of poor soil quality - shape of cheap land areas - shape of poor weather areas now I would like to create a map which "grades" the whole map, considering each one of these layers. For example: if the area is under poor...

Python 2.7.4 32-bitGDAL 1.10.1I have a Python script which takes a point file with x,y,z coordinates, makes a vrt of it and then tries to create a Geotiff from it with gdal_grid.During testing all goes well and then I try to put in a 3.5 GB file. It fails.I try a junction of that file and it...

I'm new in qgis and I need some help. I'm trying to export a specific layer with defined some points using different symbols. The exported kml file will discard the symbol type layout. This is the resulting vision of the kml file: Anyway if I will use ony a simple symbol will the symbol...

I will try explain this as best I can. I have a point on a map and I want to create buffers surrounding the site; for example, 10Km, 20Km 50Km. This is easy. But I also need to show buffers for distance from site, based on road network. lets says 30mins, 60mins 180mins etc. I have a detailed...

I looked in this site and found plenty of answers on how to import ESRI GeoDB into QGIS but they are Windows and MacOS. Anyone knows how to do it in Linux, more specifically Debian ? أكثر...

I already have a Leaflet map showing custom base map tiles in British OSGB projection, EPSG:27700 (using the Proj4Leaflet plugin). I would like to overlay some nationwide admin boundary data in the same projection in a GeoJson layer. I see that using a GeoJson in standard EPSG:4326 can be used...

عادة ما نبحث عن الكتب التي نحتاجها على شبكة الانترنت فيصعب علينا الوصول اليها وتحميلها نضرا لمشاكل عديدة تواجهنا فمها مشكل صعوبة البحث خاصة للمبتدئين وصعوبة التحميل وعدم وجود روابط مباشرة للتحميل خاصة في بعض مواقع رفع الملفات حيث يصعب البحث فيها أو أنها غيره مجانية فيلزمك بطاقات دفع مصرفية ...

Thinknear – the Telenav owned location-based ad network might have found an interesting niche. The company have just launched a new platform that aims to bring geomarketing into politics. The new tool is called ThinkPolitical and it has been designed particularly to help political marketers to...

i want to use my customized grass gis(6.4.3) module for separate bands of a sensor in a parallel mode. is it possible? i have created separate location and if one band is executed ,for the second band message appears as " not found".I searched in the grass manual and seen "GIS_LOCK" variable...

I am trying to export some thematic rasters to use them with GUIDOS Toolbox (specifically the MSPA segmentation functions) - http://forest.jrc.ec.europa.eu/download/software/guidos/ GUIDOS requires the images to be GeoTIFF format, with pixels of data type Byte. It reads 0 bytes as no data...

So I want to run focal statistics on a raster, then run focal statistics (same configuration/setup as the first focal stat.) again on the output, and again on the new output, and again, and again. Maybe 50 times. Is there a simple way to do this? أكثر...

These following external commands are not working at all when i try to find a feature set thru SQL non-query and then want them to zoom or highlight in GE Workflow. (Run External command utility) HighlightESRIFeatureSet ZoomToESRIFeatureSet ZoomToFeatures The Geo-cortex SDK API Reference...

INTERGEO Press Conference 2015 أكثر...