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

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1
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1answer
49 views

Most accurate GPS hardware for less than 1 mile radius [duplicate]

I apologize if this is a duplicate but I can't find a good answer or area to know where to find the correct answer. I am looking for the technology or hardware around wearables or similar technology ...
8
votes
6answers
335 views

Creating simple maps to view on Mobile devices?

My organization wants to create a few maps that will be interactive and viewable via phones (android, iphones,etc) and ipads. We already have a solution using Geocortex (Silverlight) for browser ...
3
votes
2answers
288 views

GIS/Developer Skills [closed]

Currently, I have a strong knowledge ArcGIS/Python/JavaScript and basic RDBMS. I'm currently taking some database theory/sql classes and trying to figure out what course I should take next, I'm ...
2
votes
1answer
42 views

App using latitude and longitude, should decimal degrees be a separate selection from metric?

So silly question to some I suspect. I am coding a mobile app that displays coordinates in parts of the interface. We currently have an option to toggle between Imperial and Metric. But I am unsure if ...
0
votes
1answer
33 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 ...
2
votes
1answer
56 views

Develop offline GIS program/annotator

I'm looking for a package to develop a simple offline GIS desktop application that works on a tablet/laptop for using it on the terrain (namely for annotating existing maps). The program has ...
0
votes
1answer
683 views

DTED Level 3, 4 or 5

Does the specification for DTED 0 - 2 also apply to 3 - 5? I know the finest resolution supported by spec MIL-PRF-89020B is 0.1 arc-seconds which I think would barely cover up through DTED level 4, ...
0
votes
0answers
36 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 ...
1
vote
1answer
63 views

wastewater GIS system [closed]

Im new to GIS development and I would like to develop a pilot GIS for wastewater network integrated with a work order management system. Can anybody guide me? and what software do I need with low ...
1
vote
3answers
520 views

How to setup a debugger for QGIS Plugin development?

As the title of the question implies, I wish to know how to set up a QGIS Python Plugin Debugger so that I can develop plugins more efficiently. Any information regarding this would be much ...
1
vote
1answer
130 views

Best Platform to develop QGIS Python Plugins

I am currently developing QGIS Python Plugins in a Windows 7 64-bit environment. Having said this I am stumbling across various issues which from what I have been able to gather have a less tendency ...
0
votes
2answers
378 views

How to display data from a feature?

I want to display data based on the feature currently selected/clicked on. I am following a tutorial from http://www.qgisworkshop.org/html/workshop/plugins_tutorial.html. It initially shows you how ...
9
votes
2answers
277 views

Instructor led Web mapping development courses?

Hey guys I have been messing around with programing for a while now and have gotten proficient with Python and have some interest in HTML 5 and Javascript. I have recently received a request for an ...
2
votes
1answer
219 views

Problems with inspect element in browsers

I use google chromes inspect element for debugging. I have a map displayed on my page with 1 base layer (osm) and 2 overlays (wards, points) and a highlighter control. The map displays and works ...
1
vote
2answers
557 views

Can anyone point me to good development environment in linux for client side search with flex or javascript?

I want to create a client in mapfish, and/or opengeo, using open layers, maybe cartaro and would like to play in a development environment using flex or javascript. I need to take my data, make it ...
1
vote
1answer
913 views

How to Install the ArcGIS JavaScript 3.2 API library on an IIS Web Server? [closed]

I would like to deploy Server API for JavaScript 3.2 in my server to use it in my asp.net project instead of connect to server What are the steps to be followed in deploying it to a local ...
3
votes
0answers
205 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 ...
3
votes
1answer
229 views

Join GPS points obtained from .GPX file in Python Console

Having loaded the .gpx file into a new layer from python console, I'm unable to access the gps points in the attributes table. Essentially, i'm unable to join these points to form a polygon ...
2
votes
0answers
50 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-> ...
4
votes
1answer
119 views

What are the most common functions a GIS web app should have?

I'm a programmer making his first steps in the GIS world. In order to get to know this world I wrote some map based apps using WMS / OSM , OpenLayers and MS-SQL (non spatial). Now I want to put it all ...
2
votes
0answers
168 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 ...
2
votes
2answers
162 views

How to add data from a Google map as layer in ArcMap using C#?

A want use C# to write a tool: add data google map as a layer in ArcMap. I am using Arcgis 10.0. Can you help me. Thanks and regards.
13
votes
5answers
338 views

Python Development Project - Team working

We have a development project in Python (ArcGIS 10). This project involves a mixture of toolboxes, map templates, layer files, file geodatabase templates (acting as templates being imported into a ...
2
votes
1answer
110 views

plugin 'hook' when writing with Python

Just a conceptual question... when writing a plugin using Plugin Builder 1.8.3, where does the script get connected to the application instance objects? As an example (taken from ...
5
votes
1answer
383 views

How to call GRASS modules in pyQGIS?

I wish to use a Grass module (v.to.db) in QGis, without the grass toolbox. I tried with the Python console, but to no avail : Using Sextante plugin but obviously it didn't know all the grass ...
0
votes
1answer
68 views

How to view the class files of QuantumGIS for further development?

I have been searching class files of QGIS for a while for customisation and edit it for a project..But I am unable to get or download the files...can anybody give some references if we can really view ...
1
vote
1answer
355 views

Geoserver build error

i am getting a build error with mvn clean install on geoserver 2.2.x branch saying Running org.geoserver.platform.exception.ExceptionLocalizeTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, ...
3
votes
2answers
256 views

Where to start GeoServer Development?

I want to contribute to GeoServer development. I am well experienced in programming and since I am now completely working on GIS projects, I think I will find enough time for these tasks. Where ...
3
votes
3answers
5k views

OpenLayers change feature's style

Working with OpenLayers 2.11, I'm desperately trying to change my feature style as the user selects it (fairly simple I agree!). Indeed, It seems easy but I can't see where It fails, perhaps someone ...
2
votes
1answer
158 views

QGis - Plugin libraries

I need to develop a couple of qgis-plugins. I made some promising first steps and completed a few easy plugins. Now its time to move to more complex plugins which need to import several tool-classes I ...
2
votes
1answer
282 views

How to port QGIS C++ plugins to other QGIS installations?

I developed a C++ plugin for QGIS using VC++ express 2008 and a QGIS dev release (1.9.90 alpha), my plugin works fine on this release and now I want to port it to other QGIS installations, so I copied ...
2
votes
0answers
132 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 ...
1
vote
4answers
571 views

GIS learning resources for a .NET developer

There are couple of questions which are related to learning GIS or GIS skill sets here but I would like to ask very specific question. My current skills: I don't claim that I am a good programmer ...
3
votes
2answers
406 views

How to Get my Custom Toolbar to popup when my Custom Extension is Enabled?

I am developing a custom extension for ArcMAP in Arcgis 10, and would like to display my Custom Toolbar automatically instead of having the user to select it from the customize window. Is this ...
0
votes
0answers
68 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 ...
7
votes
2answers
424 views

Looking for advice regarding solar potential applications

I have the task of looking into whether it is possible to build a solar potential application which would inform the user whether a roof is suitable for solar panels and a brief report about the ...
4
votes
2answers
238 views

Developing tools for ArcMap 9.x and 10.x

I've been asked to start developing something for ArcGIS 10.x, but here is the problem: in my computer I already have the SDK and ArcMap 9.3.1 installed. That means that I need to uninstall it before ...
2
votes
1answer
2k views

How can I develop a vehicle tracking application on a tight budget?

I need to develop and GIS application in .net with following Requirement, Can you please suggest the options how can i start with. I am new to GIS World, but I have a good knowledge. I neither ...
4
votes
2answers
1k views

Is it possible to publish a geoprocessing services that uses a custom gptool on ArcGIS Server 10?

I have developed a custom GP tool in C# which does a bunch of processing on a given layer. It works great in ArcMap on all machines that I have deployed it to. I created a model which uses this tool ...
1
vote
0answers
185 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 ...
5
votes
4answers
1k views

Where to start with Web GIS development, or which technology to select?

I am very new to GIS development, and to be be frank I have no background about it at all. I searched the web but the tutorials I found seemed to assume the reader has some background information. ...
13
votes
4answers
3k views

Which framework is best to implement an application robustly, using ArcGIS Server JS API?

Over on the Esri forum, user Matt Moyles suggested that the approach used in the Esri JS samples isn't suitable for robust development of a web mapping application using HTML, JavaScript and CSS: ...
0
votes
2answers
296 views

Examples of web-mapping for plantations

Is there any of you ever work to develop a web-mapping project for a plantation company? Or is there any such project published? If there is then : Can you point where I can see an example of the ...
21
votes
3answers
3k views

What do I need to know, to develop a plugin for QGIS?

I wish to develop a simple plugin for QGIS, which will open some data, and some specific processing. I have quite a it of development experience with ESRI's Arcojects, but haven't developed with QGIS ...
1
vote
1answer
428 views

How to calculate oblique photo scale?

Is it possible to calculate oblique photo scale by given vertical photo scale ? I mean is there any kind formula relation between them or maybe is it possible to calculate rough approximation of ...
2
votes
1answer
486 views

Distributed WMS (and TMS, optionally) server architecture, GPU rendering

What if we could use the power of dozens of servers to process a lot of incoming WMS requests? And more, using the power of GPU's to do the job of styling the maps for scalability and speed! The ...
2
votes
0answers
146 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 ...
8
votes
16answers
7k views

Why can't the breakpoint be “hit” when debugging an ArcGIS 10 Add-In?

Now and then I run into the following problem: I start debugging the Add-In and breakpoints are ignored. Almost seems like the communication between the IDE and the component is not working. My ...
2
votes
2answers
168 views

Where can I deploy a JavaScript app for collaborative testing?

I'm developing a new ArcGIS Server JavaScript application, and I'd like to show the progress to the client, so he can provide feedback as I develop it. The application consists of an Index.html file, ...
128
votes
56answers
10k views

What free programs should every GIS user have installed?

Note: This question is specifically about installed, desktop software. There is another question specifically about free cloud-based software and services. I'm not necessarily referring to ESRI ...