Concerned with the process of creating and subsequently modifying and maintaining software and systems.

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1answer
63 views

how to create custom items or commands for a context menu

I have read and searched the web for an answer, but nothing is working. so I need someone's help please. I have an extension that implements I command, I have the method OnContextMenu(x,y) which ...
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1answer
87 views

Run C++ standalone application in debug mode

I write simple C++ standalone application using QGIS. It works and render vector layers from PostgeSQL database. #define CORE_EXPORT __declspec(dllimport) #define GUI_EXPORT __declspec(dllimport) ...
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1answer
36 views

How to modify existing geometry type or create new geometry type in PostGIS?

I want to modify PostGIS geometry type TRIANGLE by adding additional information about its neighbours within TIN. WKT representation might look as follows: TRIANGLEN ((0 0 0,1 1 1,1 0 2,0 0 0) ID n1 ...
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0answers
266 views

Geoserver REST example not working

I am trying to follow the example to create a new REST service in Geoserver: http://docs.geoserver.org/stable/en/developer/programming-guide/rest-services/implementing.html After building, accessing ...
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0answers
298 views

How do I Convert from LayerDescription.SelectionFeatures to GraphicsLayer?

How do I convert (in a clear and concise way) from ESRI.ArcGIS.ADF.ArcGISServer.LayerDescription.SelectionFeatures to ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicsLayer I want the selected ...
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0answers
52 views

What is the best way to manage dependencies between layers?

I have multiple layers that has dependency with each other. Such as: City; Courts; Lots; Front Lot; Buildings. The polygon's "block" depends on the polygon's "City." Example dependency: Buildings-> ...
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0answers
215 views

How to georeference an areal photograph given known coordinates of the four corners and center of the image

First, let me say that I am new to this field. I have an existing image/video viewing application. My primary goal is to implement an efficient method to determine the latitude and longitude of any ...
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0answers
186 views

Setting border-style to 'no pen' using QgsGraduatedSymbolRendererV2

I am developing a QGIS plugin that, after a series of inputs, will produce a thematic map using the QgsGraduatedSymbolRendererV2. Because the polygon are very small, the boarders make it such that ...
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0answers
148 views

Optimizing SLD map styling implementation

Styling a map on demand can be a great bottleneck if you don't have a good strategy to deal with it. I'm sure there is a lot of techniques to implement the styling of maps, but I would like to ask you ...
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0answers
238 views

How to turn off tool tip for the Identify button?

When using the esriControls.ControlsMapIdentifyTool tool, the (i) button, whenever you click it, it says "Click on or drag a box over a feature and place on the map where you want to identify" in a ...
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27 views

Testing tools to simulate user map browsing / stress test tile server?

are there any online/offline tools that would simulate user map browsing behavior, possibly concentrating on certain areas or random? I am trying to stress test a tile server.
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30 views

Digitising - Separate fill and line opacities (or remove fill)

I have a client who specialises in aerial photograph interpretation and is in the process of moving from AutoCAD to QGIS. They find the auto 'fill' when digitising polygons really disruptive and ...
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0answers
102 views

How do I modify the WebAppBuilder "LayerList' widget to use radio buttons instead of checkboxes?

I've downloaded the developer version of the Web app builder and installed in on my machine. I can open up the widget '\LayerList\LayerListView.js', and I have been exploring the source code. I would ...
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0answers
195 views

How exactly is an SLD_body object (when extracted from its XML href) structured when using a cElementTree to parse it?

I'm trying to export data from a PostGIS database into a geoserver and I've gotten it to where I can get the PostGIS database to point to the geoserver (I'm doing this as a python script for a GIS ...
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0answers
263 views

AddData tool stop working after Interoperability connection has been used?

Bug in ArcGIS Engine? Has anyone seen this behavior? We get an exception from our ArcGIS Engine test projects after we had been testing the Interoperability connection in ArcEditor. We had to enable ...
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28 views

How much time does it take for an agency to develop its GTFS?

How much time does it take for an agency that contains about 15 routes(bi-directional) to develop a simple GTFS file containing only the required .txt files?
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39 views

How to customize and add additional features in GeoNode

I need some advice on how to start customizing my GeoNode installation. I tried reading up on GeoNode documentations on how to do it but it always boils down to customizing or adding to the Django ...
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71 views

GIS API for ASP.NET or other Web platforms

I need to develop a GIS for web that has some very specific requirements that it has to attend to, so it's not your basic run-of-the-mill GIS, so my company has decided to invest in creating our own, ...
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76 views

How To Add a QgsSvgMarkerSymbolLayerV2 to VectorLayer in Qgis?

I'm using Qgis2.4.0 API to develop a C++ application. I want to add a svg symbol to a vector layer. Here is what I have already done: add vector, then add symbol. But I get stuck dong this. Here is my ...
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43 views

HTML framework in GIS development version

I have a question. I need to insert an HTML frame in the QGIS developer version. That works very well. Now I will also create a title page as HTML. Now my question is which program I best create the ...
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78 views

Why is IQueryGeometry crashing when ITextSymbol:Text contains more then one AMPERSAND (&) symbol?

I have a bit of an issue with my addin which converts annotations (text) to polygons. To do this I use the ITextSymbol obtained from the Annotation Feature which is then implemented by the ...