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How do I return a variable in GRASS GIS on a Windows machine? For example I set a list of files to define my region. I already figured out that I can't use the bash command export, I need to use set instead. The command should be okay, but it doesn't return $MAPS. set MAPS=`g.mlist...

The results of an image classification may vary A LOT depending on the variables you use from the beginning. Number of classes, minimum class size, sample interval, atmospheric corrections, conversions, decisions in category assignation... I'm interested to know how do you decide these...

<div dir="ltr" style="text-align: left;" trbidi="on"><div dir="rtl" style="text-align: right;">برنامج ETABS وهو احد اشهر برامج التصميم والتحليل الانشائي العالمية وهو من انتاج شركة CSI نفس الشركة المنجة لبرنامج SAP2000 الشهير في التحيليل الانشائي ايضا و يتميز برنامج ETABS في دراسة تأثير الرياح...

2015-09-02 14:42:27 | Op 7 en 8 oktober 2015 organiseert de Nederlandse Vereniging voor Sleufloze Technieken en Toepassingen (NSTT) voor de vierde keer het NSTT No-Dig Ev أكثر...

2015-09-02 14:38:40 | De themagroep Waterkwaliteit van KNW organiseert op 8 oktober 2015 voor de tweede maal een landelijke kennisdag. أكثر...

2015-09-02 14:32:26 | MKB Brandstof, leverancier van zakelijke tankpassen en aanvullende diensten, implementeert technologie van Notificare in haar mobiele app. أكثر...

determine the disc storage and image pyramids for 100 color images size 23 x 23 cm squared,assuming the images were scanned with 7.5 and 30 micrometers. there is no color depth value provided in the question. so i could not use the equation file size = Resolution in dpi (horizontal ) x...

need to know if it possible to filter dashboard data sources with url parameters . also if it possible to change the behavior between Layer Filters tool to AND not OR . أكثر...

I am using a script written by John to import a csv file and make a point feature class. My table looks like this: "timestamp_pretty","mmsi","imo","shipType","lat","long","month","week""31/12/1969 23:59:59",265650950,9544322,"HSC",57.661503,11.84175,12,1"31/12/1969...

I am using OpenLayers 3 and i am trying to draw a polygon using given coordinates , but it doesnt want to draw it . var source = new ol.source.Vector(); var ring = [ [3139880.24789847, 5961935.332187176], [3179627.5026067616, 5972025.01992082]...

I'm trying to implement the leaflet.shapefile plugin to enable a user to upload a zipped shapefile and overlay it on my webmapping site as can be done in the demo version of the site. http://leaflet.calvinmetcalf.com/ When the page I've created loads before I even click the button to upload a...

I'm a newbie and I'd like to realize a project based on a local OSM with postgis +mapnik +angular and leaflet. The project requirement is : An ACME company owns geographically distributed equipment which has to be serviced on expiry date. They already have a postgres "ACME" database with a...

I have a .jpg image which is land cover classification image with 9 classes. I want to extract raster image (.img file) which contains the same classes as .jpg image (9 classes too). Is there any tool to be used for this purpose in ARCGIS, ERDAS and ENVI? أكثر...

I am trying to add this ArcGIS OS Open Background map service in OpenLayers 3.7.0. http://tiles.arcgis.com/tiles/qHLhLQrcvEnxjtPr/arcgis/rest/services/OS_Open_Background_2/MapServer I set the projection and the resolutions for this service in my OL setup like so: proj4.defs('EPSG:27700'...

I am using the R package GWmodel. While plotting the output of the GWR I found myself unable to edit the side bar in the ssplot function. The few lines of code I'm using(data is already in package) will be sufficient. You only need to install the GWmodel library...

in a mountainous area a flight with 87% length and 63% side overlap was flown (both overlaps referring to the valley). the average flight height above the valley was 4800 m, above the summits it was 1600 m. check if this is reasonable flight planning أكثر...

i have 5 raster files and i want to merge them to one file with exact 50x50 cells because i have an R script to process it later. I used the arcgis function "mosaic to raster" but it delivers a raster with 70x107 cells and seems not to have any options for entering the number of cells. Is...

I have been experiencing an issue when creating image services that contain multiple imagery sets. The method I have been using to create the image services is to create a mosaic dataset, add the images, publish the image service, create a tile cache and manually copy it over to the server. When...

I have a shapefile with a single layer of type point. It is in the google CRS (EPSG:900913). When I use the 'Identify Feature' tool it gives me lots of information about the point clicked on, but I cant see the coordinates. Is there a way to find out the lat/lng of a point interactively...

This video demonstrates an Airborne LiDAR Survey of Hydroelectric Dam أكثر...