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I downloaded some census tract data which are stored in .gdb. I am able to open them in ArcGIS as shpfiles. I selected some tracts and tried to export them into another folder. But I kept getting this error: "Error exporting data. The maximum record length has been exceeded". Is this because the...

I try to clip raster data with GDAL (in fact I am using QGis, which produces me a command line for GDAL)The raster has been transfored to EPSG:3857, which is also the projection of the shape file which contains the boundaries. gdalwarp -dstnodata 0 -q -cutline D:\GIS\data\cutline_shape.shp...

In this tutorial we will discover step by step how to Publish data for a WebMapping application using PostGIS and Geoserver. Data used in this tutorial are about fire stations ( fire stations, city limits and streets) Download used shapefiles from this link : Shapfiles.rar Install PostgreSQL and...

Bonjour, Je travaille sur une table sur un serveur PostgreSQL / PostGIS via qGIS. Ma table ne contient que des entités sans géométrie. Je souhaite pouvoir ajouter une géométrie depuis qGIS, de façon manuelle et individuelle aux différentes entités. Mais qGIS ne me le permet pas. Il n'est...

Summary: Interior Department’s Northeast Climate Science Center has released a report today synthesizing the latest information on the vulnerability of species and ecosystems to climate change in a 22-state region in the Northeast and Midwest U.S Contact Information...

Summary: A new screening tool to assess the potential risk posed by contaminated groundwater moving from landfills to nearby streams, wetlands and residences has been developed by the U.S. Geological Survey and the New Jersey Pinelands Commission.&nbsp Contact Information...

Geoserver v: 2.4.4 OpenLayer v: 2.13 All maps are WMS. In my javascript I use "layer.name" to access the Title of the specific map as specified in my GeoServer layer. Using jquery I was able to inject the "layer.name" of the selected map in the foorter of my hmtl. Now I would like to add a...

the following pics will hopefully explain my problem. After interpolation an clipping the grid I get the result you can see on the pic. Next to the boundaries there are a lot of gaps caused by the raster cells. These gaps are problematic for me. Is it possible to buffer the result over the...

I added two vector layers which are downloaded from geoserver into my eclipse and i am displaying the layers on osm layer. After i added drawing features on vectorlayers i cannot able to save features in json files. and i cannot able to display features on div tag on drawing interactions...

After reading @underdark's answer to this question on creating a new vector layer and @Matthias Kuhn's to this one on field calculation, I wrote a script that allows me to calcultate the mean arrival-on-scene time for emergency response services per cell of a grid, even thought some of my values...

I have model of buildings in shapefile (Multipatch). Buildings are not closed from bottom (they don't have ground). I would like to ask if there is any workflow, how to do that automatically? أكثر...

How can the user be redirected if he clicks on a marker in CartoDB? I have a dataset with the markers —*the geometry and inside of the description-field the URL to redirect the user. I know I can redirect the user by calling on('featureClick') and then change the window.location …*but how can I...

Is it possible (and what is the recommended way) to use OpenLayers 3 to do the work of theOpenLayers.WPSClient? As shown in the old WPS client example, OpenLayers 2 can be used to operate WPS. There are OpenLayers 3 examples for using other web services like WFS and WMS, but not WPS (as of...

I want to merge two polygon shapefiles in one without losing the attributes using ArcMap 10.1. To be exact I am creating a geological map and have some geologic formations in one shapefile and some other formations in another shapefile. Thank you for any answer! أكثر...

Bonjour, Un petit sondage pour savoir comment vous gérer vos donner dans Lizmap? En considérant que ma machine ou est installée qgis et sur laquelle je crée ems projets, ne soit pas la même que celle ou est installée mon qgis-server. Il faut travailler sous qgis en chemin relatif et les...

So if you are in the area and you haven’t been – you should go to the best biggest smallest regional GIS conference in September. Luckily this conference drifts back up to Kingsport Tn where there is always a good showing. Will the suits show up from NASA? Will the 13 y.o. kid with the drone...

I have merged two polygon shape files(Vector). After merge I am facing problem at boundaries.. So I thought of changing Polygon -> lines(manually deleting one of the line at boundary) ->Finally change to Polygon. The problem is I am not able select line between two nodes to delete, the...

Bonjour, J'ai un fichier qui représente des itinéraires. Chaque entité comporte les attributs suivants : - revêtement, - numéro de l'itinéraire. Un itinéraire qui change une seule fois de revêtement peut donc être représenté par deux lignes, l'une au bout de l'autre, ayant les deux types...

PostGIS 2.2 is planned to reach feature freeze June 30th 2015 so we can make the September PostgreSQL 9.5 curtain call with confidence. Great KNN enhancements for PostgreSQL 9.5 only users. I've been busy getting all my ducks lined up. A lot on tiger geocoder and address standardizer...

الـــدورة التدريبيـــة/ البحــوث النوعيـــة والكميـــة وخطــوات البحــث العلمـــي الرصيــن بـــداً مـــن 6 : 10سبتمبـــر 2015م في اسطنبـــــول_... أكثر...