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يعد موقع جوجل مابس وبرنامج غوغل إيرت google earth اللذان هما منتجين طابعين لشركة جوجل من أهم الموقع التي تمدك بمعلومات ملاحية و جغرافية هامة ، لكن اليوم أصبح بالإمكان الإستعانة أيضا ببعض الخدمات الأخرى و المشابهة و التي هي عبارة عن مواقع أصبحت تظهر وتقدم مثل هذه الخدمات و بشكل مميزو سنحاول في...

I tried QTILES plugin for QGIS and it works very well.I can export tiles in .mbtiles or zip format.Now I'm trying to know how call these tiles from leaflet in this way: L.tileLayer('http://www.cityplanner.it/experiment_host/supply/tiles/car_tiles/{z}/{x}/{y}.png', { maxZoom: 18...

With the ArcGIS API for Javascript I created a web application that accesses my before published geoprocessing service. The result of the service are a set of points and are displayed on the map. Here is the way how I display the points (symbol is a simple Marker Symbol): var features =...

I'm trying to cutting a raster object (from a PostGIS table) using a shapefile with reference, extracting raster data from a polygon area. My objective to work with the clipping raster into R. I'm cutting in this way: CREATE TABLE clippingtable as (SELECT (ST_Union(ST_Clip(raster.rast...

I am working in QGIS 2.1 with the National Land Cover Database 2006 land cover layer. It is a raster layer with pixel values corresponding to different land cover types. I have clipped this raster to a buffer layer around my study site. Now I want to analyze the proportion of each land cover...

Making a shaded relief (hillshade) image in ArcMap أكثر...

Bonjour à tous, J'ai à réaliser des cartes de productions agricoles à l'échelle communale. La variable étant quantitative absolue, je devrais donc utiliser les symboles proportionnels pour représenter mes données. Cependant, au regard du territoire à cartographier (3 départements)...

Bonjour à tous... Je fais appel à vos lumières car je découvre Qgis pour des besoins professionnels et je suis en passe de devenir...dingue !! En effet, j'ai une modélisation de bâtiments à faire, avec le terrain qui va avec. Je précise que mon boulot est orienté archi à la base, donc...

I am unable to edit scripts in ArcMap or ArcCatalog. I navigate to the script, right-click on it and select "Edit", then nothing happens. I am using notepad++ as my editor (set in geoprocessing options). I have looked into this issue...

I'm new in openlayers 3 and Geoserver,I have shape files (coordinates Lambert 93) and i uploaded them as layers on Geoserver after that i imported on of them as a Geojson to openlayers but it doesn't appear on my map, i don't know if the mistake in the projection!This is my script...

I am creating a longitudinal profile in google.For this I created a function that lets you draw a line and when it disappears just drawn. So far there is no problem, but when I return to give this function that is hosted on a button, and I think the new profile line adheres to the old, not the...

i need world hillshade with resolution about 1x1 km. Do you know where i can it download ? أكثر...

I am trying to split a street polygon based on the segment ID of the street, giving them the same segment_ID in the attribute table of the street lines. I did not use the line feature class to derive the polygon but instead used a polygon feature class that included the width of the roads (but...

Facebook and Uber are teaming up to let users hail rides through Facebook Messenger app. The newest version of Messenger has been updated to include the*Uber button which will allow you to request a ride, all without leaving a conversation or downloading the Uber app. In*order to hail a ride...

I would like to use a basemap from the Ancient World Mapping Centre, available as maptiles via Mapbox, as basemap in my ArcMap desktop version 10.2.2. Is there a similar solution to add a custom map tile layer to ArcMap as in the question underneath? How to add a custom map tile layer...

I am looking for a way to use the QGIS plugin "Time Manager" to animate a polygon shapefile. I have a polygon shapefile that has a field of population per year for each feature and I want the plugin to display the data year by year. COUNTY_NAME / 2001_POP / 2002_POP / 2003_POP Madison /...

I am trying to force the routing to reuse as many path parts as possible as described in initial question. The submodel for it is as follows: What it supposed to do is as follows: The path from the first iteration is precalculated with normal "Route" in network analyst and given to this...

This year, partly as a goodbye to the Google Earth API, which is expected to be shut down some time early next year we have decided to resurrect the Google Earth version of the Santa Tracker. We will be providing two different versions; one will run in the Google Earth API and the other within...

Durante las pasadas 11as Jornadas Internacionales de gvSIG se anunciaron los ganadores del I Concurso C أكثر...

I am trying to display the following background map in QGIS 2.0: http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/${z}/${y}/${x}. In a custom web map client, this is quite easy: http://dev.openlayers.org/releases/OpenLayers-2.13.1/examples/xyz-esri.html I...