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http://prefiles.com/ja31bv8eqzgs/QGIS_By_Example.pdf https://www.packtpub.com/application-development/qgis-example أكثر...

I have two layers. Points are (point z) shape and polygon is (polygon z) shape.I would like to select only point which are under polygon. Look at picture, On the first one you can't see points which are under polygon, on a second one I turned off polygon layer(all points are visible). Is it...

I'm trying to import data from my postgis DB directly into CartoDB. I've seen in this forum's post that I can do that with ogr2ogr, a GDAL tool, in this way: ogr2ogr -t_srs EPSG:4326 --config CARTODB_API_KEY XXXX -f CartoDB "CartoDB:account" PG:"host=localhost...

ReconstructLine – a QGIS plugin to make lines from points taking into consideration only their spatial locations. Why new plugin? Imagine two people took the same route at different times and both send you their point tracks. Now you’d like to reconstruct their route as a line from both...

As Google continues rolling out 3D imagery one outstanding problem that they don’t seem to have been able to resolve is what to do about water. The cause of the problem is quite simple – water usually doesn’t stand still. Google’s 3D imagery is generated via a process called...

Incredible! One word to describe what New Horizon has sent us so far! Let us look at a quick timeline of events. Source: Click here Ten years and three billion miles later, New Horizons has sent back something no one has ever seen before, a good picture of Pluto! The first high resolution...

I am running into problems configuring the jms clustering of Geoserver. Here is the background: I have 4 virtualboxes, each running a Geoserver 2.7.1 with thejms-cluster extension. I would like to keep the embedded broker in amatter of simpler installation. Also I would like to preserve this...

is it possible to create popups with images via QGIS2web? if yes, what would be the workflow? Couldn't it figure out yet. So any help is welcome!Thanks أكثر...

I made this webpage with JavaScript and CartoDB. The layer selector works like I expected it to but I noticed that the legend are stacking on top of each other and not being removed when the layer is changed. I tried a few different things but to no avail. A few posts on the internet also...

I am not so familiar with 'interpolation' math, albeit I grasp the underlying logic. I was wondering if there is a rule of thumb in the choice of the number of neighbor points to use in IDW interpolation method. This site (http://www.quantdec.com/SYSEN597/GTKAV/section9/chapter_29b.htm) provides...

I've installed QGIS 2.8.2 since a few days and have no experience with this application. I try to extract the outer points of a Point Shape into a Line Shape, like a shell for the inner points. All points of the shape has to be in or on the border of the line. Is there any possibility or...

Which is best Opensource Webgis SDK in terms of UI flexibility & Safety concerns? [on I am beginner developing web mapping applications using opensource gis. I am aware that there exists OpengeoSuite Geoext(Openlayers+extjs) Mapfish Mapserver PHP, etc. My question is which is...

I have created python script tool to select feature based on attribute and it works fine in arcgis desktop. I have published a geoprocessing service using above python script tool without any error. When i publish geoprocessing service by including result map service to see the result on...

Textbox in the overlay view is not gaining focus on its click. I have used overlayMouseTarget layer to capture mouse events. أكثر...

Hii, Having Pleiades 1A and 1B mono (Raw data with metadata) data of Hilly Terrain. Total number of images is 64. Completed ortho-rectification but data is not matching at the edges. Need to perfectly mosaic these data (Seamless). Please suggest any methodology or software for stitching...

After dissovling a layer in qgis 2.8 I get *a lot of * topological errors in the new (dissolved) layer. Any suggestions how to get rid of these errors without manual editing each one? أكثر...

I have a point table (addresses) and and line table (coastline) in PostGIS. I would like to build a spatial view selecting the points that's has a minimum distance of 600 meters from the line and a maximum distance of 700 meters from the line. I have tried this: CREATE OR REPLACE VIEW...

I am working in ArcScene (10.1) with some 30m resolution ASTER data from Indonesia, and am getting anomalous "bumps" in elevation in my study area. In google earth it is not there, and I know from walking there that it's not there, so I suspect it's an error in the radar reading. I was wondering...

I have gotton some help in creating a custom control for leaflet, but I am still having trouble upgrading to the CSS styles used by the latest versions of Leaflet. Basically, all I need is a icon in the white box, with the drop shadow around it. Here is what I have working so far, take a look...

I have ArcGIS 10 installed on my computer connected remotely to my companies license server. Everything has worked fine for months, but within the last few days no geoprocessing tool will run. The results window just shows the dreaded 99998:Unexpected Error. Looking further into the log file I...