Software for which the original source code is made freely available and may be redistributed with or without modification.

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1
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1answer
137 views

QGIS 1.8 Desktop and Ubuntu 11.10

I'm working with QuantumGis 1.8 Desktop on Ubuntu 11.10. Two days ago the program crashed while I was working with some WMS layers and then it hasn't been working anymore. When I open QuantumGIS ...
6
votes
1answer
527 views

Open source location allocation modelling

I'm looking for open source tools for location allocation modelling (eg planning public health facilities). Preferably in a GIS environment. I know GRASS somewhat, but v.net.alloc doesn't seem to ...
7
votes
5answers
1k 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
2answers
911 views

Are there any decent free GIS projects built in C# or with a good C# API?

I'm looking for a free mapping / gis project with a C# interface, preferably written in C# and open source. Does such a project exist? If so, are there any that do not require connecting to a map ...
1
vote
1answer
291 views

What is the relationship between Autodesk and the MapGuide Open Source project?

In the year 2006 Autodesk started MapGuide as an open source project (MGOS). At the same time they began to develop the commercial version of MapGuide (MapGuide Enterprise MGE /Autodesk Infrastructure ...
2
votes
2answers
653 views

Should I start a new project using MapGuide OS?

I'm wary of starting a debate based on opinion, so I lifted my title from this question which seems to be doing fine. I'm also worried about offending MapGuide enthusiasts so please understand I am ...
10
votes
3answers
1k views

Can ESRI Personal Geodatabase be viewed with any software other than ArcGIS?

Is it possible to open a PGDB file in software other than ArcGIS? i.e are there any opensource software available just for viewing the data?
5
votes
1answer
1k views

Open Source Remote Sensing vs eCognition, ERDAS etc Is it worth it?

What, if any, would be the main benefit of using a commercial tool like eCognition (in particular) or ERDAS as opposed to something like Orfeo Toolbox or OpenCV? (Feel free to suggest other open ...
3
votes
1answer
310 views

What open-source web mapping solution I need to use for this situation?

I will try to explain what I need to do. I have about thirty KML polygons. I need to put them on some satellite map. On the top of these layers (KMLs, satellite) there must go layer with roads. I ...
9
votes
2answers
426 views

Looking for a tool for Orthorectification of Archived Air Photos

I was wondering if anyone knows of an open source, perferabily something for QGIS and not GRASS, that can be used for orthorectifying scanned archived air photos. I have looked at OSSIM and a few ...
2
votes
2answers
177 views

Opensource Tools for Optimizing Server Performance

I use a server with a basic Microsoft OS primarily for data storage and as a central repository for edited vector data. These data are not intended to be used as mapping or GIS products available ...
7
votes
2answers
374 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
1answer
1k views

Unable to see whole world map by decreasing panzoom bar?

I am seeing one weird thing in Openlayers today. I am unable to see whole map by using panzoombar, previously i used to. <html> <head> <title>OpenLayers Example</title> ...
4
votes
2answers
505 views

Which are the best open source tools/solutions for digitizing road networks?

I was thinking on tools/plugins for QGIS, but other good suggestions are welcome.
6
votes
2answers
693 views

How to animate raster time series using open-source GIS?

I have a bunch of rasters taken about 10 minutes apart, and I have a nice QGIS project that produces pretty enough maps of them. I'm wondering if there's a way to animate this raster series, with a ...
9
votes
2answers
289 views

Options for a historic Web Map?

EDIT: I'm an intern at a small local history museum. We have a budget of $0. Project overview: I've got a bunch of old paper maps. When I say old, I mean 1800s and up. They've been scanned into ...
0
votes
1answer
597 views

Compiling Grass from Source in Ubuntu

Hi a while ago I drafted a semi-universal guide on how to compile GRASS GIS on Ubuntu. Because I had enough emails asking more details I thought to post it here for everyone and if possible to ...
13
votes
2answers
321 views

Opensource solutions for finishing maps

After seeing the $600 price tag for Adobe Illustrator, I am especially interested in learning open source solutions for finishing maps created in a GIS. What open source, or commonly available, ...
0
votes
0answers
42 views

Comparison components open source GIS [duplicate]

Possible Duplicate: Comparison of Open Source Desktop GIS Packages I'm doing a little research to the available open source GIS-applications. I found a lot of OSGIS on the internet and now ...
3
votes
2answers
147 views

Selecting a suitable GIS for my project

I need to develop a web-based map using existing shape files. Using the web-map, we must be able to select a region and produce contours for that selected region. Can any one suggest the best open ...
2
votes
1answer
562 views

Loading Raster and vector data In MapGuide using Maestro

I am new to Mapguide , working on it for my summer Internship.I have Installed it perfectly. Now the task is to load vector data and Raster data in map Guide (mainly have to load *.shp files and *.tif ...
7
votes
2answers
506 views

Are there GIS tools for simulating landscape fragmentation?

I am currently looking for any GIS packages (or add-ons) that allow the simulation of landscape fragmentation on raster data. Maybe also other software than GIS tools? Does anyone of you have had ...
4
votes
1answer
61 views

looking to integrate R-trees into AlchemyDB

I am the author of AlchemyDB: http://code.google.com/p/alchemydatabase/ I would very much like to add geospatial indexing in the form of R-trees (most likely) and need some advice on whether or not ...
2
votes
1answer
130 views

OpenLayers 2.12 Release Schedule? [closed]

Does anyone here know when OpenLayers 2.12 is likely to become a Stable release rather than a release candidate, it contains so many handy performance and user interface improvements that I really ...
16
votes
4answers
643 views

Advice on a generic open-source package roadmap

I just wanted to ask an advice from the open source GIS gurus on a recommended stack to use for my envisioned project, as I do not fully understand the limits of the possible with most packages. I ...
13
votes
7answers
2k views

Fastest way to spatially join a point CSV with a polygon Shapefile

I have a 1 billion point CSV file and a shapefile with around 5,000 polygons. What would be the fastest way to spatially join points and polygons? For each point, I need to get the containing polygon ...
13
votes
2answers
379 views

Is there any open-source object-oriented GIS?

Most GIS are layer based. But I am looking for open-source object-oriented GIS. Is there any out there? By object-oriented I mean logical data model for vector GIS. Here's explanation of my ...
2
votes
1answer
532 views

How to write to shape file in MapGuide

Here the code I have written to a Shape file in MapGuide Open Source (in PHP running on IIS 7.5). The code is actually the modified class MarkupEditor (markupeditor.php) from the General Tracks (Gt) ...
9
votes
5answers
929 views

Where can I get neighborhood boundaries?

Besides Zillow's creative-commons licensed neighborhood boundaries shapefiles, what sources of neighborhood boundaries are there? Not just in the US, but all over the world. Free/open source is ...
21
votes
7answers
2k views

Work flow for georeferencing imagery using open source tools?

Does anyone have a recommendation for a work flow for georeferencing high resolution aerial photography using open source tools? Comparison of user friendliness and robustness between Quantum GIS ...
32
votes
1answer
3k views

How to smooth the polygons in a contour map

Here is a contour map for which all the polygons of levels are available. Let ask how to smooth the polygons keeping all vertices preserved in their exact locations? Indeed the contour is made on ...
5
votes
2answers
241 views

3D snapping in open source platforms

I'm looking for tools and extensions in open source platforms (gvSIG, QGIS, uDig, etc) that allows 3D snapping. In the last years, most of the projects my company is working on required the editing ...
8
votes
4answers
2k views

Is there any safe fme alternatives?

Just wondering if there is any open source solution which comes close to safe FME? I would like to integrate it into my workflow, but it´s just another few thousand which my employer has to give out ...
3
votes
1answer
1k views

Open Source Tools for Mobile GIS app development?

I want to create a complete Map application with the facilities of edit geometry and attributes of layers. The server and client for the application should be some open source tools. The application ...
2
votes
0answers
116 views

Any Open source implementation just like ArcGIS Desktop Identity function? [closed]

I tried to identity thousands of points with millions polygon. ArcInfo work well but i have to get the result from Web Services.So i tried to implement the algorithm(Point in polygon) by myself,it ...
7
votes
5answers
6k views

Comparison of Open Source Desktop GIS Packages

I'm curious as to what comparisons are out there between different Open Source Desktop GIS software packages. I'm aware that there has been a QGIS and gvSIG comparison on this site but I am looking ...
2
votes
1answer
300 views

Enrich a dataset of POIs with OpenStreetMap

I have a list of POIs, some with a full description and some with only a few data entries, like the following: 6.9441000 50.9242000 [50677] (Ital) Casa di Biase [Köln] 6.9373600 50.9291800 ...
1
vote
1answer
203 views

Open Source Challenge: Automated Mastermap update in Oracle Spatial

I've been set a challenge which is a bit out of my comfort zone. I'm an esri developer trying to break into the open source world. I've been asked to automate the update of some oracle SDO datasets. ...
1
vote
0answers
127 views

Overlaying user raster datasets on nasa world wind

Currently I am developing a desktop application with Nasa world wind JDK for 3d visualization of my data sets, but when i overlay my raster data sets those are vertically exaggerating with the default ...
1
vote
0answers
367 views

Create a color scale/legend for choropleth map using geotools (or other open source Java library)?

I'm experimenting with choropleth maps using geotools. Is there an easy way to add a color scale to the map (using geotools itself or some other os library)? By a color scale I mean a bar that shows ...
7
votes
1answer
681 views

Open source engine that is similiar to ArcEngine

If I was to develop a mapping application to be a standalone windows app, is there an open source engine that is somewhat comparable to ArcEngine?
5
votes
3answers
559 views

gvSIG advantages

Direct comparison between software may not be the best thing to do but as I can't arrive at a conclusion thought of asking here. Is there any gvSIG user in this GIS community? Looking at the ...
3
votes
2answers
502 views

Can I create blended images with GDAL command line utilities?

I've written a program in Python with GDAL bindings that generates a single band georeferenced GeoTIFF as output. From there I use the GDAL commandline tool gdaldem to colorize that image to ...
4
votes
1answer
381 views

How to display intersecting roads and create multiple labels for long roads in QGIS?

I am new to GIS and I am using Qgis 1.7.3 on Windows. Can any one please tell me how to display a map from line shapefile with these two characteristics: Roads are displayed with borders at the ...
4
votes
1answer
448 views

Which interpolation method is the most suitable for DEMs?

Which interpolation method is the best suitable for hill/valley areas and normal ground with undulations and rivers? When working with Aster 30mX30m DEMs, which method will give the most realistic ...
0
votes
1answer
243 views

Open Source Flexviewer application

I would like to know if there are any open source flex viewers some thing on the same line as ArcGIS Flex Viewer ??
6
votes
1answer
370 views

Is there a GeoDjango tutorial for GeoRSSFeeds?

I'm going through GeoDjango basics right now. Ideally, I'd like to publish a GeoRSS from a set of data I have that is already in Django's database. I know how to get a regular Feed working, but when I ...
11
votes
9answers
2k views

What is a good Javascript web API (preferably open) for building web maps that require little/no maintenance?

I have recently volunteered to make a web map for a local non-profit. The map will be pretty basic. It needs to display Lane county, Oregon split into multiple districts, with a "central office" ...
3
votes
3answers
751 views

How to link a video to a GPS trail?

Does anyone of a program, extension or tool that links a video with a GPS trail? I found this video and would like to be able to do something similar. http://www.youtube.com/watch?v=G07DWVRJBVU ...
19
votes
4answers
794 views

How to generate schemas of GIS hardware / software / workflows?

Quite often I find myself in a situation where I need to explain hardware or software GIS infrastructure to people with no or limited knowledge of GIS. Or give an overview of geoprocessing tasks ...