Software for which the original source code is made freely available and may be redistributed with or without modification.
3
votes
6answers
803 views
flex/AIR based SLD generator?
styling layers in GeoServer can be tedious to say the least. while Styler can relieve some of that tedium it doesn't yet work in chrome, can wreck existing styles if not carefully used & still ...
3
votes
1answer
360 views
Is there an open source tool for both road network analysis and geocoding?
Is there any one open source software package that can perform both road network analysis and geocoding?
14
votes
4answers
772 views
What is the best open-source web mapping solution for handling 3000+ polygons
I have 3000+ polygons which represent watersheds (18 main watersheds). At the first stage all the 18 watershed will show and their list will be placed in the left sidebar. If any user mouse over the ...
24
votes
7answers
586 views
GIS developer blogs … recommendations?
I'm looking for recommendations for GIS blogs ... specifically GIS developer blogs. I'm less interested in the geography than in how apps are put together.
I'd like to keep up with ESRI ArcGIS as ...
2
votes
1answer
118 views
Permissive Open source planarize algorithm?
Is there a permissive open source implementation out there for a "planarize" algorithm (in the style of arcgis planarize - including user modifiable cluster tolerance)?
NB this is not a duplicate of ...
2
votes
1answer
347 views
How to join two polygon layers into a resulting layer with overlapping polygons merged together (including attributes)
I am trying to find a method (in QGIS and/or GRASS) to join two layers of polygons into a resulting layer with merged overlapping polygons. It's hard to explain in words, so I've drawn a simplified ...
1
vote
1answer
113 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 ...
8
votes
10answers
1k views
Need a Benchmark GPS Trajectory data-set? Anyone?
I'm looking for a benchmark GPS data set, available for research purposes for free. I've found GeoLife GPS Trajectories dataset from Microsoft Research but I find it a little incomplete.
What I need ...
5
votes
1answer
312 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 ...
4
votes
3answers
329 views
Do any open-source .Net libraries (commercially usable) exist for reading/writing LiDAR data?
I have a few LiDAR point data (.las files) with me. I would like to read the X,Y and Z from it using .Net. I found liblas, which is in C++ and I am not sure if it can be used commercially after ...
7
votes
5answers
871 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
687 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
207 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
370 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 ...
1
vote
0answers
42 views
How to install ESTAT?
I am new to ESTAT and have been trying to install the latest build (DEC 2009) ESTAT
However, every time I click on ESTAT.JNLP (downloaded file), I get an "Unable to launch the application error: Could ...
9
votes
3answers
543 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?
4
votes
1answer
555 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
242 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 ...
8
votes
2answers
217 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
0answers
122 views
how to automate changing polygon's shape while keeping its area the same and limiting deviation from orginal centroid?
I have a polygon that was digitized based upon visually interpreting underlying values of rasters/vectors that represent a natural environment (soil type, surface roughness, slope, elevation, ...
2
votes
2answers
141 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 ...
6
votes
2answers
188 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
586 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
393 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.
4
votes
2answers
376 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 ...
8
votes
2answers
255 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
413 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
284 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
38 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
141 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
362 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 ...
5
votes
2answers
253 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
52 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
122 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
546 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
1k 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 ...
31
votes
6answers
3k views
Free GIS workshops, tutorials, and applied learning material
Note 1: Please enter answers separately or feel free to edit this post directly
Note 2: Please report on any broken links so they can be removed
This thread lists free as in $0 workshops in GIS and ...
2
votes
1answer
203 views
How Can I get the Open Modeller plug-in for Quantum GIS 1.7.4?
I would appreciate if you can tell me to install the plug-in of Open Modeller in Quantum GIS 1.7.4. It is not in the list of plug-in in the spanish version of the QGIS.
Thank you,
12
votes
2answers
334 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 ...
10
votes
6answers
382 views
Free / Open source GIS Education sources
I'm looking for free / open source GIS education sources for advanced GIS users. Specifically sources that cover programming, spatial analysis, modeling, spatial databases / data management. I use ...
2
votes
1answer
381 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) ...
7
votes
5answers
373 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 ...
19
votes
7answers
1k 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 ...
5
votes
1answer
311 views
Which Open Source GIS application support Linear Referencing and Dynamic Segmentation?
I'm looking for an Open Source GIS application that supports Linear Referencing and Dynamic Segmentation for the development of a road inventory system. I already know about GRASS but I'd like to know ...
5
votes
4answers
1k views
Large mosaic process failing - what are the options? software independent only focussed on result
I need to mosaic about 550Gb of tif imagery together and the software I have tried keeps failing. The area has been split into zones so that the smallest has approx 200 tiles.
I have used the latest ...
27
votes
1answer
2k 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 ...
20
votes
4answers
434 views
What are some good introductory books or articles about Open Source GIS for students coming from an ESRI background?
I am preparing an intermediate GIS course for graduate and undergraduate students who have likely not been in touch with anything but ESRI software. It is an existing course in the curriculum that I ...
5
votes
2answers
196 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 ...
7
votes
4answers
984 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
671 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 ...
