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1500 questions
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9 answers

Seeking Mobile Data collection software recommendations?

What COTS software is available to do mobile data collection, with GPS positioning. Map display not required. I'm looking across the board (platform wise). I'm already aware of... RhinoSpect ArcPad ArcGIS Mobile Field…
BlinkyBill
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17
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3 answers

Removing duplicate features with same geometry in ArcMap?

Is it possible to uniquely identify each geometry in a feature layer? Essentially I have a polygon feature layer with many rows of data represented by the same geometry. I would like 1 row for each unique geometry. So I'm looking for some out-of-box…
Dylan Hettinger
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17
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3 answers

Zooming to selected feature using PyQGIS

I want to create a function that selects a feature and zooms to it (similar in QGIS). Therefore there is following function: QgsMapLayerRegistry.instance().addMapLayer(self.vlayer) def zoomTo(self): layer = self.vlayer atable =…
Martin
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17
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2 answers

Programming Geoserver 2.0.2 to add a raster data store and layer without the UI

I have a directory of raster imagery that will be updated continually. From this imagery, I am making Image Pyramids using the Geotool's PyramidBuilder utility. I need to setup a cron job to automatically add raster datastores and layers to…
rbrister
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17
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1 answer

Resizing shapefile features proportionally in QGIS

In QGIS (1.8.0-Lisboa) on Windows (OSGeo4W Install), how would you resize a feature proportionally? The only way I've found to do this is by hand using either the Freehand Editing (0.2.6) plugin or the Reshape Features button. Neither of these…
paperclip
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17
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0 answers

Converting from SLD to Carto CSS?

I have a bunch of layers and corresponding SLD's running a WMS service. I was exploring the possibility of shifting to a TileMill's tile based TMS service. For this, I would like if it were possible to convert the SLD to CartoCSS, and then start the…
Devdatta Tengshe
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17
votes
4 answers

Defining parameter descriptions for Python Toolbox help?

I'm trying to create some Python Toolboxes for our ArcMap application (e.g. MyTool.pyt) I can see that the help text is defined with the classes self.description attribute. However, once I run the program, and click into any of the parameter fields,…
John
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17
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1 answer

Is it possible to show our custom message in QGIS Status bar using python?

Is there any way to show our custom message in Qgis Status bar using python? Just like in arcgis IApplication.statusbar.message(0) = "Please wait..." like that is there any option to show progressbar in Qgis like IApplication.progressbar.show()
venkat
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17
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5 answers

Clustering trajectories (GPS data of (x,y) points) and mining the data

I've got 2 questions on analyzing a GPS dataset. 1) Extracting trajectories I have a huge database of recorded GPS coordinates of the form (latitude, longitude, date-time). According to date-time values of consecutive records, I'm trying to extract…
Murat
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17
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1 answer

How to detect roads from satellite images?

OpenStreetMap has announced a Bing API to detect roads. I want to know what is the theory behind road detection and if there is any open source tool that do that.
Pablo
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17
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2 answers

Huge point cloud laser data in PostGIS - Storing and Processing it

I wonder, how it's possible to store huge sets of laser scanned point cloud data in PostGIS, with the time-aspect for processing it in mind. I know, there exists a geometry-object Point in PostGIS. But as far as I know it saves each point in a new…
knutella
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17
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3 answers

Displaying overlapping lines in QGIS

I have multiple line layers that represent bus routes and many of the routes overlap (i.e. near terminals, transfer locations, etc.) Is there a function in QGIS which will display both features next/parallel to each other? In the example link, the…
joshrick
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17
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2 answers

What are hardware requirements for a cloud hosted PostGIS & GeoServer?

I have been playing with a local installation of PostGIS & GeoServer. I would like to move my work online now to share it with several collaborators. The proof of the concept map will consist of simple WMS and WFS services mapped through OpenLayers…
radek
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17
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1 answer

The next big thing in standardized spatial data exchange format?

I remember reading something a few months back, in the latter half of 2012, about a coordinated group effort to design a new standard for sharing geographic / spatial data. It has or aims to have the potential of replacing the showing-its-age (20+…
matt wilkie
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17
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7 answers

Seeking examples of 3D Maps?

Similar to Seeking examples of beautiful maps? is there any similar collection for 3D maps?
Sunil
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