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I'm working with ArcGis 10.2. I want to display a legend which is composed of Title ("Legend"), Heading ("Layer Name") and Items. I want the items (in this case three) to be horizontally disposed under the heading, so I set 3 as number of columns, but this way one column was assigned to the...

I'm working on a Bing Maps web application. I have a click listener that fires when any location is clicked on the map. Is there any way to fire this listener manually simulating a click on a location with specified coordinates? I've been able to do this with Google Maps but so far I haven't...

I am trying to run the following PostGIS query using CartoDB's SQL API: SELECT the_geom, ST_Area(ST_Intersection(the_geom::geography, ST_Buffer(ST_SetSRID(ST_MakePoint(-52.4379, -12.6235), 4326)::geography, 25000))) / 1000000 AS polyarea FROM dataset1 WHERE...

I have massive problems with my ArcGIS 10.3.1 installation since a week. My ArcMap crashes on start without any message. ArcCatalog crashes in opening the customize-dialog opening the tab commands. Last thing i have done before the problem orccurs was to install the odac because i want to...

I am working on the "Jakarta Bay", Indonesia. I have a shapefile for the Indonesian coastline and I clipped my region of interest using an appropriate polygon. I also have points that are located within the bay. When I want to represent both layers together, I realize it is not possible...

To not have overlapping polygons/features I normally use a practice where I use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I have used this practice in both ArcGIS and Mapinfo, but I cannot find this functionality in QGIS...

When add a new data storage in geoserver,the url will be a local address.What if I want to direct this url to a remote server address?The data are storing at the amazon server. أكثر...

I have been wondering following issue for several years. In ArcGIS and QGIS you can add data on your map and it aligns perfectly even when the Coordinate Reference System (CRS) is not set. Both software informs the user that the CRS is not set and it should be done. My question 1 is: How the...

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I'm using OpenLayers 3.8.2. I have wfs layer. I insert a feature. I save this feature as follow(I use geoserver 2.7-SNAPSHOT in server side): var features = source.getFeatures();var insertedArr = [];var updateArr = [];var deleteArr = [];for (var i in features) { var state =...

In my app I have a functionality to the log the GPS. I am using AGSSketch GraphicLayer to do the drawing with the points received from GPS/location manager. I see that the memory allocations get mounted as the number of locations get increased. I used the instruments tool (comes along with...

In what format can a drawn polyline (in a custom-built software) be saved so as to be able to be converted to shapefiles or usable in ArcGIS? أكثر...

I have some data that will be comming to me from helicopter flights and was recorded with Spidertracks software. Does anyone know how to convert flight tracks from 'Spidertracks' gps flight tracks into shapefile or kml? What is the raw spidertracks gps format? I am trying to learn before I...

I'm trying to load a shapefile into a GeoServer that has a style defined which makes use of the FID attribute: FIDThe shapefile I'm currently working with doesn't have an explicit 'FID' attribute: $ ogrinfo -al -geom=NO...

I know how to create and download a geodatabase copy of a FeatureServer from arcgis rest services. I also know how to pass LayerQuery to the geodatabase task to filter layer objects and features. Here is my question, in the class GenerateGeodatabaseParameters where I define my selected layers...

I want to create OSM dump for PostGIS. After a web search I learned that I should use osmosis. But most of the explanations are for Linux. But I have to use windows. Is there a detailed description how to do that with Windows? أكثر...

I am trying to identify boundaries, blocks etc from Satellite images which are stored as GeoTIFF files. I want to extract fields, buildings etc. by feature recognition and store that as GeoJSON/.shp files. Are there any opensource tools/libraries which I can implement to do that...

I am working with two layers in ArcMap 10. One is a point layer and the other is a polygon layer. For each polygon I need to find the three closest points. What is the best way to compile a list that gives each polygon and the three closest points? أكثر...

I merged several DEMs together in on single DEM with mosaic dataset. Now I wanted to convert this mosaic dataset in Vector with TIN. But when I use the tool (3D Analyst Tool) Raster to TIN comes an Error... Have I to convert the mosaic Dataset first to another format? (How?) Or do you have any...