نتائج البحث

I would like to stack rasters with the R package "raster". Layers are in ascii format. I want to crop them to have the same extent and project them to have the same resolution. My code gives raster layers with empty values. Any help would be appreciated. #The layers must have a similar extent...

I have question, is it possible to make python command for QGIS function "Densify geometries given an interval": input layer: Polygon.shp output layer: Densify_interval.shp interval: 50 meters for. example... processing.runalg("qgis:"DENSIFY_GIVEN_AN_INTERVAL ???",input, output", interval)...

Earth from Space is presented by Mal أكثر...

The latest Lidar News eNewsletter is now available. Just a quick reminder that you have until Thursday to submit your entry for the Lidar Art contest to support the charity of your choice. So all of... Click Title to Continue Reading... أكثر...

I would like to stack rasters with the R package "raster". Layers are in ascii format. I want to crop them to have the same extent and project them to have the same resolution. My code gives raster layers with empty values. Any help would be appreciated. #The layers must have a similar extent...

I have question, is it possible to make python command for QGIS function "Densify geometries given an interval": input layer: Polygon.shp output layer: Densify_interval.shp interval: 50 meters for. example... processing.runalg("qgis:"DENSIFY_GIVEN_AN_INTERVAL ???",input, output", interval)...

Earth from Space is presented by Mal أكثر...

The latest Lidar News eNewsletter is now available. Just a quick reminder that you have until Thursday to submit your entry for the Lidar Art contest to support the charity of your choice. So all of... Click Title to Continue Reading... أكثر...

is it possible to manipulate pixel values of a GDAL VRT? If so how? It may not change the data of the original set! Cheers أكثر...

I am attempting to use the dissolve tool on a shapefile, but it fails with the error: ERROR 999999: Error executing function. Invalid Topology [Duplicate segment.] I tried checking and repairing geometry until no more geometry errors exist. I also tried the fix topology error tool, but the...

I am trying to calculate the areas of some polygons and i want to use the field calculator to measure the area. The result i got using this method is different from using the QGIS measurement tool. I am confused on which is correct. How can i do this correctly?Also is it possible to change the...

I am trying to calculate the percentage of each the area of each polygon in the selected area. I tried using ( math.fsum(!shape.area!) / !PolygonArea! )*100 and other codes but I cannot make it work. Suggestions on how to solve this? أكثر...

Proposition de stage H/F *Stage en Télédétection : traitements d أكثر...

bonjour, J'espère que je suis dans la bonne partie du forum pour cette question:roll: Je voudrais calculer des distances entre des point et des polygones (contour métropole et domtom) en sachant que j'ai aussi des données sur le pole sud( terre adélie).. je pense utilisés la projection... أكثر...

I have a DEM and want to calculate the volume of a reservoir.I am doing this after this Method to calculate the volume of a reservoirHowever, I followed all steps, it also worked out fine for the first reservoir, but now the tool 'polygon volume' is experiencing "unexpected error". The...

By Cynthia Giles Back in 1986, I was an assistant U.S. Attorney in Philadelphia. I was working on a variety of civil enforcement cases, and learning about the importance of holding violators accountable for pollution in American communities. That year, I took on one of the nation’s earliest...

I am using GRASS 7 for windows, and I'm having trouble running v.in.ascii, although I'm fairly sure I've run it successfully before. When I run v.in.ascii, I get an error: Windows can't open this file. This happens through the command line and the gui. Other v.*.exe commands seem to run...

I am looking for a working parallel solution for gdal2tiles.py. I have tried the patch at https://trac.osgeo.org/gdal/ticket/4379 which does not work on Windows; it results in a WindowsError: [Error 32] as commented on at that site. I have tried solutions offered via Github such as...

How do I get rice pixels only from layerstack NDVI (modis) or SASI image? I also have a thematic rice image Please tell me how to do in erdas. أكثر...

Learn how our partner PASCO Corporation creates innovative and customised Hexagon Geospatial solutions to stay on top of disaster management scenarios in Japan. أكثر...