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

learn more… | top users | synonyms

1
vote
0answers
256 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 ...
3
votes
3answers
9k 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
326 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
645 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 ...
4
votes
2answers
2k views

How to develop WMS services in java?

Can anyone point me to any resources regarding developing a custom WMS service in java? I am seeking for a tutorial for an experienced programmer, but including the details of setting up the server ...
1
vote
1answer
1k 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
261 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 ...
6
votes
1answer
758 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 ...
3
votes
1answer
277 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
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-> ...
2
votes
1answer
122 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 ...
2
votes
3answers
3k views

Implement 'Zoom To Selected Features' in VB.Net

Seems like this should be dead simple. I'm writing an add-in for ArcMap 10 in VB.Net. I need code that will reproduce the 'Selection --> Zoom To Selected Feature' menu option.
4
votes
1answer
148 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
203 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 ...
3
votes
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 ...
2
votes
0answers
234 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 ...
13
votes
4answers
889 views

How to get started on a GIS Programming Career?

I am already working as GIS Consultant in UK. Being an engineering consultancy (not IT or GIS based) company there wasn't any need of GIS development in the organisation. But due to some recent ...
8
votes
5answers
2k views

Are there any GIS component that can be used for developing GIS applications for Android phones? [duplicate]

I know that ESRI has ArcGIS APIs for Android what other options are there for me as developer, if I'm about to develop GIS applications for an Android phone?
0
votes
1answer
70 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 ...
2
votes
1answer
302 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 ...
7
votes
5answers
2k views

Are there any .Net opensource library for geometry operations?

Are there any opensource librarys for doing geometry operations (union, intersect, relation...) in .Net?
2
votes
1answer
184 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 ...
7
votes
2answers
662 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 ...
2
votes
0answers
176 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 ...
3
votes
2answers
457 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
77 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 ...
0
votes
2answers
323 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 ...
2
votes
1answer
3k 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 ...
8
votes
2answers
810 views

What are the implications of using .NET Generics to store ArcObjects?

I'm wondering what are the implications of using Generic types in .NET to store ArcObjects, such as ILayer, IField, etc. The compiler throws me a warning when using these kind of values public class ...
1
vote
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 ...
10
votes
10answers
3k views

Web GIS Development Skill Sets [closed]

What technologies and skill sets should one who wants to do web GIS development study/acquire? One skill/technology per answer please.
1
vote
1answer
546 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
537 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
147 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 ...
4
votes
1answer
13k views

How to register dll extension with RegAsm.exe on Windows 7 64bit ArcGIS 10 SP1?

I am having some issues with registering a dll: run DOS as Administrator CD "C:\Program Files (x86)\Common Files\ArcGIS\bin\" (where the ESRIRegAsm.exe is) I attempt to register the dll as follows: ...
2
votes
2answers
176 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, ...
4
votes
2answers
227 views

Visualization of Geographical information on mobile devices

To complete my thesis i have to develop mobile GIS application which will test/handle some issue related to visualization presentation of geographical/spatial information on mobile devices. I will ...
-5
votes
3answers
328 views

Want to be a GIS Developer [closed]

I want to be a GIS Developer. I know .net. Do I need to know COM also? Is COM outdated? Please tell me the way. Presently I am in Production.
5
votes
3answers
148 views

Unique Identifier for a POI

I'm collecting POIs data from several sources and plotting them on map, i'm having difficulties merging the POIs because some of them are redundant between the data sources i'm using. How can i assign ...
0
votes
1answer
1k views

How to safely replace ArcGIS SDE feature classes using transactions

I am using C#, ArcGIS Server 10, MS-SQL Server 2008, and I want to replace an ArcGIS SDE feature class inside of a transaction. After the deletion of the feature class, I have to create a new one with ...
2
votes
3answers
339 views

Suggestions for how to secure a custom ArcGIS extension using a license file or install key

I'm looking for a simple methodology for licensing custom ArcGIS extensions with an installation key or license file. When the user attempts to enable the extension I want to check that they have a ...
3
votes
1answer
299 views

Force ArcCatalog to refresh TreeView and View after programmatically creating a table

I'm programmatically creating a table in a geodatabase and am trying to force ArcCatalog to refresh the display to show the new table. I've tried the following which does not work: Dim gxApp As ...
6
votes
7answers
518 views

2011 ESRI DevSummit

This is probably more of a community wiki question. Who will be attending the ESRI Developer Summit next month in Palm Springs? Which sessions and/or new products look most interesting to you? ...
5
votes
3answers
354 views

Basic Mapping Software

I have a desktop application for a client that needs to map a main subject location and around 5 "comparable" locations, within a range of 1-2 miles (often even less), from an aerial view, and zoom in ...
1
vote
2answers
202 views

How can I determine whether a feature class is a 3D feature class (HasZ)?

I would like to be able to determine whether a feature class passed to a procedure is a 3D feature class (hasZ) or not. How can I do this in VB .Net & ArcObjects?
2
votes
1answer
739 views

Why is sometimes geometryType not returned in JSON from ArcGIS Server layer REST API?

Does someone know why the geometryType not always get returned from ArcGIS Server layers? According to the API documentation Layer / Table the geometryType is returned on layers: //properties ...
2
votes
3answers
1k views

Arc Objects and non-spatial table

I am a new Arc Objects user, with little ESRI experience. We are using VBA to create a spatial report on a Map Control using a mdb table. The mdb table contains a Lat and Long field, and this data is ...
6
votes
2answers
3k views

Cannot get rid of lock on file geodatabase and feature class created in Python script

I have a python script, (for ArcGIS 10), that creates a new file geodatabase, creates a new feature class in that file geodatabase and then reads data from an SDE feature class to populate the new ...
0
votes
4answers
931 views

MFC Dialog Application using ESRI ArcEngine 10.0

I'm new to ESRI ArcObjects and I'm trying to create a basic MFC dialog application. I add the License and MapControl to the dialog resource. I compile and run the app, but I get the following runtime ...