Software for which the original source code is made freely available and may be redistributed with or without modification.
2
votes
0answers
97 views
Any Open source implementation just like ArcGIS Desktop Identity function?
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
3k 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 ...
40
votes
19answers
4k views
What are some Free and Open Source GIS Desktop packages
Can someone please give me a list of free and open source GIS desktop packages?
2
votes
1answer
194 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
175 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
96 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
270 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 ...
6
votes
1answer
487 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?
4
votes
3answers
482 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 ...
2
votes
2answers
338 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 ...
2
votes
4answers
2k views
Watershed Analysis
With DEM as source, I created all necessary files like flow direction, accumulation,slope,streams,watersheds,pour point etc....
In my watershed(basin), I have many sub-watersheds(sub-basin) with ...
4
votes
1answer
269 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
325 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
206 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
336 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 ...
10
votes
9answers
1k 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
432 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
485 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 ...
-1
votes
1answer
110 views
GeoPortal Managing Tool [closed]
i know in this site everybody more or less have been setup a geoportal for showing their basemaps and analysis on local or net for their workers or conserned people in the net.
it is obvious that in ...
3
votes
2answers
343 views
Open Source viewer Like ArcReader
I would like to know if their are any open source map desktop based map viewers something similar to ArcReader. Preferably if this can use the files created from QGIS.
2
votes
1answer
1k views
Where do I find the ogr2ogr command for Mac OS X Lion?
I am looking for the equivalent of FWTools for Mac OS X, Lion. Is there anything I can easily install and get that command?
8
votes
1answer
312 views
Open source GIS tool for mapping health data
Im looking for an open source desktop gis tool that can be used for visualization and exploratory analysis.
I want it to be interactive and perhaps display two or more maps at the same time to allow ...
3
votes
2answers
554 views
Basic .NET mapping components?
Which .NET mapping components are currently available? Focus is on desktop use and fairly basic mapping of SHP files (thematics etc.), not the more advanced GIS functionality (reprojections, clipping, ...
3
votes
1answer
855 views
GPS Module Without Velocity or Altitude Limitations
I am looking for a GPS module that I can use in a high-altitude project. The problem I have discovered is that GPS manufacturers are required to place a set of restrictions on GPS modules. The ...
2
votes
0answers
331 views
GeoServer WFS Speed
I have set-up a machine running Windows Server 2008, and GeoServer 2.1.3. PostgreSQL 9.1/PostGIS 1.5.3 are running locally on that same machine, which is hosted at a location with a 250 ...
4
votes
4answers
227 views
Looking for web and desktop tools with GML support
I am a graduate student and a novice in GIS field. I have few GML files that contain vector polygon data and I want to see them in a map format. The problem is that I do not have access to ...
6
votes
3answers
541 views
Can we use GeoExt Freely?
I want to know, can we use GeoExt freely? is there any need to purchase some license for using GeoExt ?
Actually i am already working with free Open source tools (OpenLayers+GeoServer) for my webMap ...
1
vote
1answer
85 views
Render a raster with hue values in QGIS
I have a single-band raster (a GeoTIFF) with hue values in the band. I'd like to render it, preferably in QGIS but another open-source GIS would be acceptable as well. The saturation and value should ...
4
votes
2answers
609 views
How to cut a shape file?
I want to use a shape file of the Corine Land Cover. This covers all of Europe, but I am only interested in the area of Scandinavia.
How can I cut this file using free software (preferably a ...
7
votes
3answers
509 views
Alternatives to Shapefiles as open-source, cross platform dataset types
I am working on software that is very ESRI oriented, but a future version will likely not be using ESRI software. It uses Shapefiles and Geodatabases. I'm planning on getting all of my data to ...
14
votes
4answers
2k views
How to create a simple front-end for a PostGIS database?
My organisation collects a lot of environmental monitoring data (stream flow, water chemistry etc.) most of which is currently stored in Excel. I’d like to get everything into a database – probably ...
0
votes
1answer
129 views
Developer-friendly Embedded systems GIS library?
Having seen the answer to the smallest GIS library for embedded devices, I'm asking a related question. I want to do simple point-in-polygon and other spatial relationship tests against a shapefile. ...
4
votes
2answers
221 views
How to efficiently project datasets of varying coordinate systems into one coordinate system?
I am working on streamlining data processing at my organization. Currently we are using various large-scale Models that we will gradually bring into Python.
The gist of our data processing is as ...
1
vote
0answers
102 views
free webgis environment solution? [duplicate]
Possible Duplicate:
Steps to Start Web Mapping
soon I will be trusted to develop a webgis system. This project will take an advantage of a currently developed business system. The business ...
10
votes
4answers
1k views
Best open source operating system for open source GIS?
I'm wanting to get into open source GIS, and it looks like PostGIS on Postgres is a good DBMS to go with, and there are plenty of posts on desktop editors. What I haven't come across (and forgive me ...
6
votes
4answers
601 views
Looking for open source component to create PDF from WMS in a web application
I want to create a PDF from WMS in a web map application.
Please can anyone recommend a robust component? I'd like free open-source under an relatively business-friendly licence (no GPL, BSD/MIT ...
11
votes
1answer
299 views
automating roof orientation detection from satellite imagery
A while ago I did a neighbourhood roof orientation survey for solar panel deployment, by visually checking each roof and marking individually whether they were south or almost south-facing.
As this ...
5
votes
3answers
1k views
Dissolve or unsplit lines on common attributes in QGIS or other OSS
I have a road centerline Shapefile that has roads split at every intersection, however I'd like to join LINESTRINGs that have a common set of attributes into a single LINESTRING. So long as the name, ...
7
votes
2answers
1k views
How to calculate average slope in a grid?
This is actually a two part question:
Which methods are there to calculate average slope by unit (say km²) for a given area? Are there any special requirements on the data - like additional ...
7
votes
4answers
2k views
Anybody know any WMS clients for Android?
I am interested in finding a project (with source) for a WMS client for Android.
26
votes
7answers
5k views
Open source methods for kriging?
I have a point dataset which I'd like to Krige, ideally using an open-source software package. If possible, I'd also like to choose the semi-variogram model during the process to improve the ...
9
votes
3answers
1k views
Is there a Python Lib for requesting WMS/WFS and saving as image/PDF?
i am wondering whether there's Python open-source GIS lib which has APIs to support call WMS/WFS from another GIS server (e.g., GeoServer) and then save the response data(WMS Basemap and WFS layer) as ...
14
votes
6answers
807 views
Creating simple image from vector data
Can anyone suggest a quick (and preferably open source) way to create an image from a shapefile. For example, I have a shapefile containing parcel boundaries, I want to create a png file depicting ...
12
votes
4answers
620 views
Python module to delete SHP features (without Desktop GIS installed)
I have a piece of software (not Arc) that runs nightly on a non-production machine which updates shapefile features from an external database. Periodically I would like to delete all of the features ...
23
votes
5answers
3k views
Comparison of the different open source GIS servers
I currently know the following open source GIS servers:
Geoserver: java based, vector and bitmap support, also supports. Is now on par with mapserver (performance-wise).
mapserver: c/c++, used to be ...
8
votes
5answers
518 views
Looking for a Metadata Editor
Looking for a free open source metadata editor for the development of an enterprise database. It will mostly be used for documenting shapefiles and GeoTIFFs. Hoping that it will be an intuitive ...
4
votes
2answers
2k views
How to create a WMS Service to display a geo-reference image
I currently have little experience in the opensource area and I'm guessing this is where I need to go if I want to create a WMS Service without needing ArcGIS Server. Basically my goal is to take a ...
8
votes
1answer
282 views
What options are available for free Web Processing Service (WPS) client?
A number of products seem to be implementing the server side of the OGC Web Processing Service (WPS 1.0.0) and these are listed here.
However, for the client side there are fewer options.
Has ...
7
votes
3answers
486 views
How to script shapefile editing with open source tools?
I would really like not to disturb anybody and find my answer by a Google search, but I don't really know where to start.
I have a .shp vector layer with several points on streets, each having a list ...
5
votes
1answer
327 views
Is there an open source tool to planarize graphs?
I read about the planarize function in ArcGIS, which seem to do exactly what I want. Is there a similar feature in QGIS or another free tool?
I have a shapefile with various shapes intersecting each ...
