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I'm customizing the cmv viewer to works with my services.I have service that have 3 layer (0,1,2) and is a dynamic map service layer.It's possible to set only one layer to show? أكثر...

I have created a layer of polygons with buffers around my points of interest, all of the same size, in Arc GIS. I also have a raster layer of nighttime lights with pixel values between 0 and 63 clipped to the country of interest. I would like to know how to add the average pixel value of the...

I am currently generating some NDVI imagery using QGIS 2.8.2 and there are a multitude of possible color map scales that can be applied to the imagery. I was wondering if there was a preferred or standard color map to use? USGS, NASA, and others seem to use slightly different scales. I've...

SYSSTEEL DESIGNER برنامج صغير لتصميم الأعمدة والدعامات و إنجاز تصاميم إنشائية يتميز بخصائص متكاملة و مهمة يمكن تلخيصها فيما يلي - يغطي هذا البرنامج تصميم الكمرات والأعمدة الفولاذية لأنواع مختلفة من المقاطع - يمكنك تصميم العديد من العناصرتلقائيا باستخدام "Auto Design" - يوفر مرافق كاملة لإعداد...

A VerySpatial Podcast Shownotes – Episode 522 19 July 2015 This week we try a new discussion format for the podcast Click to directly download MP3 Click to directly download AAC http://traffic.libsyn.com/avsp/AVSP_Episode522.mp3Click for the detailed shownotes Music Inside Outside by...

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In order to measure momentary speed, first I need to measure the distance between two pairs of coordinates. That's where my lack of knowledge stops me. I have example data in NMEA format...

I try to create a database on spatialite (for various reason, I can't use PostGis). I need to link a table to another one using a foreign key.The problem with spatialite is that it is not possible to define a primary key afterwards, so I create a new table (tMAJ_TBE_REB_15 أكثر...

Hy, I have installed qgis server + lizmap on windows. I use the tool from lizmap plugion "location by layer", it's well except when i used a big layer with 60 000 lines. I have no error in apache logs. Someone have an idea? Thanks, أكثر...

The gvSIG Association received one of the “Europa Challenge” awards, given by the NASA and the European Commission last Friday, during the “FOSS4G Europe” in Como, Italy. The “Europa Challenge” award has an international character where besides the Spanish representatives … Continue reading →...

When creating point symbology with ESRI Software, we can use points, Inch, cm or mm as a unit of measurement.Due to the fact that there are a few definitions of a "pt" or point, which of the following definitions should be used? Didot point (0.376065 mm) Pica point (0.3514 mm) DTP point...

I got a database with a column of type geography(Point,4326), the data contained looks like 0101000020E610000092E057F66EF73140930035B56CBD4840. How can I convert it to GPS coordinates? أكثر...

i try to include a wms-map into my current project. When i try to connect qgis 2.4. gives the failure-output: Attributes-request denied - failure in the SSL-protocol procedure. ArcMap 10.2 says: unidentified failure. I filled in my authentifiation data i received from the land surveying office...

I have a polygon and using this code snippet we can get the coordinates boundary of the polygon. canvas = qgis.utils.iface.mapCanvas()aLayer = canvas.currentLayer()coord = feat.geometry().asPoygon()So if i want to get the coordinates inside the polygon also how can i do that using python...

I have 2 point format datasets I wish to schematically join (manholes & gullies). I am content that I can join them by nearest proximity alone using e.g. NNJoin plugin. What I would like to do is add a further condition whereby the join is established by working out the nearest node...

Bonjour à tous! J'essaye de créer un .vrt avec des dalles en .tiff de la BD Parcellaire sur mon territoire, mais cela m'est impossible... J'ai ce message: Code : --------- Le processus n'a pu être lancé. Soit le programme requis est manquant, soit vous n'avez pas les droits nécessaires...

Working with a desktop GIS might be a good choice for geodata-experts, GIS-people in general and everyone who is inside the fields of geosciences. If you don’t want to struggle with a desktop mapping software or you “just want to create a map” for your publication, business data, website or...

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I have downloaded Austria official map tiles from http://www.basemap.at/index_en.html using the provided offline downloader tool. Tiles are stored in my hard disk with paths similar to ///.png . I now need to create a .map configuration file for mapserver, however all I have is the...

What I'd like to do, using ArcPy: use a line to split a bunch of polygons into separate parts.Here is what the inputs could look like: In this case the line should split each polygon into two separate polygons, creating 6 separate polygons in the end. This question has been asked many times...