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I have a problem with the projection of the vector with protected areas in Colombia. I've been trying, -> Set CRS, -> Custom CRS, -> Define current projection -> Save as and the projection I need. Nothing works. The new projection/coordinate system is being shown when I look at the metadata but...

A trip down memory lane . . .http://youtu.be/O-XrRQf7BPM Not quite cartography but a lot of the tools and processes used in graphic design were used in cartography. أكثر...

I've linked image header to my map, I normally can view it while editing it. Then, when I publish it via link or embed code, the image doesn't appear, only a gray color. I customized HTML code only by changing the height. This is the code, is there something wrong? <div class="cartodb-popup...

Please help me for click ?I didnt parse to Json data http://stackoverflow.com/questions/32024540/save-to-json-postgres-java-lang-unsupportedoperationexception أكثر...

In a move aimed at stimulating the growth of new mapping applications, Real Earth has partnered with Velodyne LiDAR to lower the cost of entry for creation of high quality LiDAR-sourced maps –... Click Title to Continue Reading... أكثر...

Hi, Can some one gives me a good method to estimate sea surface tempreture using landsat images? Thank you أكثر...

I am developing an OpenLayers 3 web application were I would like to incorporate more than one Layer Tree alongside my map. I have this JSFiddle set up that it has a map with multiple layers and one Layer Tree. I would like to duplicate the layer tree multiple times and have a parameter (as per...

When trying to use QGIS to open a tif file larger than 10GB, I encountered an error says "*.tif is not a supported raster data source." Is there any way or other software to open large tif files? أكثر...

I've a list of coordinates which were recorded in a last years aerial survey. Besides this I've the flightlog. The list of coordinates was created "manually" by writing down the position into a spreadsheet. The projection of the flightlog data is: WGS84, EPSG4326 This files works fine and the...

I have this points represented as geom: And when I apply: ST_MakeLine(points.geom) I got this: When I need something like closing/bounding line (and even better the whole area as 1 geom): Thanks, أكثر...

I'm using openlayers-3.8.2. I have some ol.layer.Tile layers and ol.layer.Vector layers. The projection of ol.layer.Tile layers and ol.layer.Vector layers are different. ol.layer.Tile layers work with EPSG:3857 and ol.layer.Vector layers work with EPSG:4326. What's the best solution for working...

Bonjour, j'utilise depuis peu QGIS 2.8 Wien, et je cherche en vain l'équivalent de la fonction "Rechercher" ("Find") de Mapinfo, qui permet de faire une recherche sur un point précis d'un vecteur ; par exemple : la fonction Select permet de trouver la rue de la Paix, et la fonction Find...

I have some feature classes with attachments in personal geodatabase . I want to copy these from personal to file geodatabase automatically using arcpy. I used the code suggested by @Aaron to copy all feautre classes and datasets to file geodatabase.It was great But i couldn't copy attachments...

ArcGIS Online (AGOL) IS a great tool and we encourage many customers to use it and have sold several subscriptions. Sometimes it may be necessary to get all of the images you have taken down from the cloud and host them locally or Offline. This tutorial puts it all together. **ArcMap is not...

Ecologism in politics أكثر...

I want to create a traffic intersection simulator with 5 fixed intersections consisting of 3 lanes. Vehicles like car, truck, bus moving through, left and right with lane changing feature. How can i start? Do anyone have good samples? Which technology/language i should use? Similar to this for...

id = 5 expr = QgsExpression("ID ="+str(id)) selected = csv_layer.getFeatures(QgsFeaturesRequest(expr)) features_list = [feature.attributes() for feature in selected] print feature_listIf I run this code, where csv_layer is valid delimited text layer, it prints list, that is correct...

I need to create a layer with meteorological icons on it - about 100 of them. So. I define its source like this: mappingAPI.meteoIconLayerSource = new ol.source.Vector({});I add icons as features like this: for(stan in meteo.meteoData) { var iconFeature = new ol.Feature({...

I have an attribute table with three columns "FID" "Shape" and "Class" All records have the same shape (polygon). Each record has its own FID. I have three classes, "A", "B", or "C". I have twenty records for Class C and would like to combine them into one record. I have tried doing a...

I want to remove the default zoom +/- buttons from openlayers. Here is my code when I added, controls: [ new OpenLayers.Control.Navigation(), new OpenLayers.Control.ArgParser(), new OpenLayers.Control.Attribution() ]to the map = new OpenLayers.Map, to...