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Introduction: I am working with the leaflet api, i have implemented a script which will put marker on map(onClick) and animate marker to the position i have set..... Problem I have to implement the custom control to draw a polygon which should be bound with marker, i.e marker should move...

I am using Openlayers 3.0 , I have created a vector layer where the source for the vector layer is a server vector. Now I want to update this layer on checkbox click.So I created the function below however , no changes are dispatched. Can someone help please ? function update(layerName ...

I am developing a plug-in for QGIS. I am creating a form of personalized editing using QtCreator. The form is in the following image I read a csv file and when i click in a button OK I get a layer with any desired points My goal: When I click on the "SELECT POINT" I want plot a graph with...

Analysis of a digital elevation model in ArcMAP أكثر...

Field jobs, desk jobs, and teaching jobs. Found ways to have fun at them all. 2015 Characterizing River Channels with GIS, GIS4Geomorphology.com – HERE The Curious Clastic Dikes of the Columbia Basin, in R.J. Carson, MANY WATERS, Keokee Books I … Continue reading → أكثر...

I am using arcgis 10.1 to plot and print maps with a background with UAV imagery. When I insert an image (Tiff format), it loses quality. The program prompts me to create pyramids, once this is complete, the image loses quality. What causes this? Is there a parameter which can be used to retain...

I am using TIMESAT to extract the phenological metrics of one year of data. I try woth different formats, tiff, bil, rst but it gives me always INPUT error in TSM_GUI. Through TSM_imageview all the images are correct and open normally but when I introduce the list of images in TSM_GUI it gives...

I have a python script which creates multiple mxd files, and adds a different "Definition Query" to each, creating the many different maps that I need. On the original mxd I have the title on the layout view of my map set as Dynamic Text to be the name of the document. After I have run the...

I am working on tracking system that track location of vehicles on the map and tell their total distance from the beginning till today. I have device_id, timestamp and GPS location in the table like this: Now I need to calculate progressive road distance between GPS coordinates and save into...

I recently started working with OpenLayers and managed to load my custom map tiles, however, I seem unable to keep the map from wrapping horizontally. I set the wrapX in the ol.view to false - but the attribute is ignored. I am using a ol.source.XYZ - is the wrapX not supported for this source...

This question may sound like it's a bit vague, but I think that lots of people seem to face similar issues, and on this occasion a general answer seems better than a specific focused one: I use QGIS. I need to be able to collaborate with colleagues who use typical office software - working...

I am producing a Qgis plugin using Qt in Python and the QtSql database module,I am using sqlite and running on a Windows 7 64bit .Each time the user stops the application and does not want to keep changes to the db in the last session the current copy of the db is deletedand a backup copy saved...

I have customized QGIS menu and toolbars thanks to the customization option and I have created a configuration.ini file that I can load on several machines. Now, is it possible to create a project and automatically load a specific config.ini file for that project? I didn't found anything in...

A few weeks ago we shared some KMLs from MyReadingMapped. George, the creator of the KMLs, has found a few more KMLs that were not included in that collection and kindly shared them with us. You can download them individually from the following links: Natural Wonders and Phenomena Ancient Ruins...

And now time for some industry news. 3D printing may soon get a lot simpler. A new technology from the Microsoft Research Lab (Visual Microsoft) allows 3D scanning to be done from your smartphone with no additional hardware needed. Microsoft has developed this app, called MobileFusion, which...

2015-09-10 11:29:25 | Architectuur, landschapsbeheer, golfbaan-animaties, computergames en bepalen welk terras wanneer nog zon heeft. أكثر...

2015-09-10 11:27:01 | Vanaf september 2015 zal het NLR zich presenteren als het 'Nederlands Lucht- en Ruimtevaartcentrum'. أكثر...

I am trying to load a postgres table (columns extracted using a select statement) from the python console in QGis: The following works fine and the layer loads as expected: uri =...

I am always in doubt as to where to categorize GIS. For instance, when you use a search engine to look for a job, you are asked to choose the category your job falls in. Or when you search for a book on an online library: The above list contains the common major fields you are asked to choose...

I am trying to save out a geoJSON file from OpenLayers 3. I have most of the code sorted but the resulting file is missing the CRS line,when I add it manually the file works just fine. function loadXMLDoc() {var geoJSON = new ol.format.GeoJSON();var jsondata =...