نتائج البحث

I am currently using QGIS 2.10.1. and I am not able to select any layer when trying to configure the Road Graph plugin. What should I do? أكثر...

Earth-observation satellites need automatic attitude control system to steer the satellite to the desired Earth-observation point to perform environmental monitoring, meteorology, natural disaster monitoring, agriculture and similar. Such applications usually require navigation sensors (Earth...

We have recently been spending some time improving our JavaScript for combining polygons. In order to debug it, we found it useful to number the points for display in Google Earth. We thought that others may find the feature useful, and just for fun, we added the option to display the distances...

[This is a translation of the post Automatizar la generaci أكثر...

يسر مركز المجد للجودة وتطوير الموارد البشرية الاعلان عن : الدورات القانونية *_باعتماد من الكليات العالمية التالية:_* *كلية هارفرد... أكثر...

يسر مركز المجد للجودة وتطوير الموارد البشرية الاعلان عن : دورة صياغة العقود التجارية واحكامها من الناحية القانونية *_باعتماد من الكليات... أكثر...

I'm currently using a div icon to show a small graph as a marker on a leaflet map. The graphs change dynamically based on the day of week using data from a database, which changes the height of the graphs in the div icon HTML. As the graphs change height I need to change the value of the icon...

I have a hover control using WMSGetFeatureInfo to return information about the features under the cursor which works in all situations except one. I also have a LayerSwitcher control created with self.map.addControl(new OpenLayers.Control.LayerSwitcher());. When I hover over the +/- symbol used...

Find and replace of ArcGIS i got message "An invalid SQL statement was used" I was replacing text in a field of attribute table, by using "Find and Replace".After saving and making new map by [Layer properties--Categories--Unique values--VAlue field--add all values--ok] Now when i tried to...

Having two raster maps as the examples below: We are interested in evaluating their similarities. As shown, they are not fully overlapping. We guess one way is to clip small one area from the bigger one, therefore there will be two same size raster maps, e.g., arrays. So we may use pixel-wise...

Hi there guys i am using ArcGIS 10.1 and don't have a license of any of ENVI or ERDAS softwares. How do I Destripe Landsat 7 SLC_off Images using ArcGIS ? أكثر...

I have a map that has an onclick event fired and displays a marker where the user has clicked. Problem is that this event seems to overrun the double click event. Because of this, when I double click the map, the map puts a marker and doesn't zoom. Anyone has an idea how I can solve this? Thanx...

How can the area of a map from OpenStreetMap be determined in the form of Xkm x Ykm, given the following information: Left Longitude = 103.554879 Right Longitude = 103.740497 Top Latitude = 1.585770 Bottom Latitude = 1.490873 Any ideas? Thanks a lot! أكثر...

I was using PostgreSQL with PostGIS and Pgrouting. Recently I needed to install SFCGAL for some extra functions for my PostGIS db. After installing SFCGAL, now I don't know how to update my PostGIS db to bring those SFCGAL functions into my db? Paths: libSFCGAL.so: /usr/local/lib...

Bonjour, Je cherche actuellement à transférer un nombres important de couches shp dans mon schéma "public" de ma de base de donnée "ppr-aquitaine". J'ai pour cela essayé de créer un fichier .bat dans lequel j'ai codé selon cet exemple... أكثر...

In QGIS (2.10.1 on a Mac), I am trying to make some multiline labels on a map I have with a bunch of trees in them. In the attribute table I have columns with the Latin scientific name, the English name (when one exists), the year the tree was planted etc. I am labelling the trees in my map...

I have a webmapping view that needs to be secure and use only https calls for layers. I would like to include some non-ESRI basemaps such as Mapquest OSM and OpenSeaMap which do not (as far as I can see) have a https url. I have a proxy setup but I can't see any option with L.tileLayer to apply...

i.e shape file along with the symbology created from open source QGIS tool to ArcGIS. Can anybody suggest the way forward. أكثر...

I have very high resolution image of vast area(true color RGB bands). I am planning to to reduce the image size by reducing it to 16 bits (or less). which image format is best for performance point of view. finally to narrow down more my question shall i use mbtiles or tiff or mrsid or any other...

I am using the "styleFunction" from the following example: http://openlayers.org/en/v3.9.0/examples/geojson.html var styleFunction = function(feature, resolution){ var properties = feature.getProperties(); var type = feature.getGeometry().getType(); switch (type) { case 'Point'...