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In the pre-processing of satellite images, which step should come first-Radiometric calibration or co-registration? Please explain also أكثر...

i'm trying to put popup's on my map to show the feature's info...i have done that, however after the first click the mouse pointer start loading and never stop... var control = new OpenLayers.Control.WMSGetFeatureInfo({ url: "/geoserver/prod/wms", layers...

I have a Dem and I want to find each hill and create a polygon for its area, effectively the out closed contour that encloses the hill. I can do this visually but I'm about to work on a larger area so need to find a way of scanning the DEM for structural highs. Is there a tool that does this...

Bonjour à tous, Je souhaite développer une application mobile cartographique simple utilisant la technologie GPS installée sur la plupart des smartphones. Je dispose de données cartographiques (.csv) de points à la surface de la terre, lesquelles je manipule habituellement avec un logiciel...

Bonjour, Sur ArcGIS desktop 10.3.1 après avoir ouvert un dwg et ensuite en utilisant l'outil de géo-référencement en cliquant à un endroit cela a fait planter l'application. J'ai récupéré le rapport d'erreur au format .dmp, comment résoudre ce souci ? Merci d'avance أكثر...

The London based Building Centre organised an evening event – from Mapping to Making – *which looked at the “radical evolution in the making and meaning of maps is influencing creative output. New approaches to data capture and integration – from drones to crowd-sourcing – suggest maps are...

Re: Coding - again Hi WF Thanks for replying! Map1 is defined as "Friend WithEvents Map1 As ActualMap.Windows.Map", I have not added Identify, and if I type "Map1." I get offered the Identify keyword! If I hover over Identify once selected, the popup gives: Public Functi... أكثر...

طورت أوفيس برمجية الأكسل 2013 و 2016 ليستوعب أكثر من 16 ألف عامود تخيلوا 16 ألف عامود بعد ان كان يستوعب 256 عامود فقط فى برمجيته فى نسختها 2003 وهو... أكثر...

Is it possible in QGIS to make a geometry blink? With blinking I mean making a geometry or group of geomtries appear and disappear every N miliseconds. I can't imagine any QGIS option to achieve this... أكثر...

there are some fields contains numbers, when i added it as label, it shown on the map as number. there is any way to add header name of the field with the number. أكثر...

2015-09-11 10:05:49 | Per 1 augustus 2015 is Harmen Tjeerdsma na drie jaar afwezigheid weer in dienst getreden bij Antea Group. أكثر...

I know a question like this is asked very often. But the answers did never really satisfy me. I want to extract addresses and maybe POIs from OSM. Nothing more. I am not interested any additional information. So I inspected some OSM raw data and found the "addr:*" tags. They seem to be a...

I wanna load shape file on qgis start up but when i add it i ask for saved before adding i used following code for this c='' b=os.path.dirname(os.path.abspath (inspect.getfile(inspect.currentframe()))) c=os.path.abspath(os.path.join(b, os.pardir)) c=c+"/C_final.shp"...

I have a control that draw line. What I want is that once the line is drawn the control should be deactivated. new GeoExt.Action(Ext.apply({ text: 'Draw Line', control: new OpenLayers.Control.DrawFeature( this.layer,OpenLayers.Handler.Path, { eventListeners: {...

Can enhanced vegetation index has value more than 1? I am using hyperspectral image and after calculate enhanced vegetation index using ENVI software my EVI value range from 0 to 1.9. Is it wrong? أكثر...

I was looking for some advice on how best to go about migrating a copy of our LIVE sde environment across to our TEST sde environment which are on two separate servers - both running MS SQL 2012. I have tried this before a couple of times before we went LIVE doing a backup from LIVE and trying...

The V1 Video team interviewed James Van Rens, CEO of RIEGL USA, at the 2015 Esri User Conference in San Diego. We spoke at the 3D Mapping Forum, focusing on the need to map the shoreline for improved disaster response. The company also showcased its new RiCOPTER mapping drone. أكثر...

I have 2 tables, one for points and one for polygons. I want to find points falling within theese polygons, so I quered: select p.id, l.idfrom points p inner join polys l on st_contains(l.geom, p.geom); and i got invalid join selectivity error. I know that was issue in previous version of...

I am currently having slight problem on displaying marker in the leaflet. I have used the following codes on displaying marker and map, however the map is displaying flawlessly but the marker is invisible. I have also tried worldCopyJump true but no help. var map = new L.Map('map', {...

If you want the best user experience for your maps – online/offline use, responsiveness and personalization – there is nothing like building your own native mobile applications. Traditionally, building native apps has been challenging. First off, you needed to be a developer, and if you’re...