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2
votes
1answer
377 views

Quantum GIS ->ArcGIS Server configuration possible?

Is it possible to connect a Quantum GIS Desktop 1.8.0 to an ArcGIS Server 10.0 ? and of course publish services on it?. The configuration would be like this Quantum GIS-> ArcGIS Server 10.0 on ...
1
vote
2answers
533 views

Creating Mobile web mapping application [closed]

I was interested in creating a mapping application in the iOS environment. I have looked at what ESRI has to offer, but I am interested in open source. Could anybody suggest any documentation or point ...
4
votes
1answer
118 views

Create Basemap with custom Data

I am getting trouble with creating a basemap with my own data. I have huge data. So I don't want to use any other basemap platform like leaflet or Mapbox or Google. I have tried with ArcGIS server ...
10
votes
14answers
6k views

Which GIS support DXF and/or DWG?

Which GIS support DXF and/or DWG (preferably read&write)? Update: Are there any open source GIS supporting these or similar CAD files? Support of CAD files generally seems to be problematic. ...
4
votes
2answers
223 views

Which GIS best for this problem?

This problem is similar to retail presence optimization. I'd like to know which GIS's could help us do the following: Given a set of point locations, create a circle of radius n meters around each. ...
5
votes
1answer
133 views

Looking for open-source solution to show map with massive objects(3x3 polygon) on a web site

I don't have much experiance in GIS systems. I am developing a web site which need to show a map with 3m x 3m rectangles for a radius of about 400 meters.(about 58,000 polygons for one location) I ...
5
votes
0answers
319 views

Can Quantum GIS replace Proprietary GIS? [closed]

I’m an MSc GIS student in the final year of my studies. I’m researching for my dissertation project which is entitled ‘Can Quantum GIS replace Proprietary GIS in large organisations?’ I’m primarily ...
13
votes
5answers
6k views

Pure JavaScript Library for Geometry Operations

Does anyone know of a pure JavaScript library for doing geometry operations such as buffer, union, intersects, etc? I want to play with doing these operations in the browser. It looks like ...
8
votes
4answers
1k views

Looking for a fast, open-source raster cost-distance function to use in code

I've been scouring the internet for a fast, open-source cost-distance function that I can embed inside my code. The functionality should basically work like the ArcGIS implementation where I can ...
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
97 views

Are There Any OpenSource GIS Software Programs With an “Interactive” Rotate Feature Option?

![Rotate feature option][1]Sorry if the question is too simple, but are there any open source GIS software programs available with an interactive "Rotate vector feature" option? Eg : ArcGIS has it ...
3
votes
1answer
323 views

What open source software should I use to geocode the addresses?

Need to geocode the student addresses using the regular 5-digit zip codes. Geocoder will give us an accurate point on the map, so in a Latitude and Longitude environment that should suffice for our ...
8
votes
1answer
439 views

Are Zonal Statistics possible in PostGIS2?

Now with postgis2 which supports rasters by default is it possible to do a zonal statistics analysis? I've google it but I haven't found anything solid? Is there a tutorial outthere to get me ...
12
votes
3answers
5k views

Free Alternative to AutoCAD Map

I would like to know if there are any free (for commercial use) software packages that roughly correlate to the functionality in AutoCAD Map. Specifically, I am looking for something that is: ...
5
votes
1answer
711 views

How you can repair invalid topology errors within postgis?

I've imported the shapefile of corine land cover project to my postgis database and the select gid, ST_IsValidReason(geom) from gis.clc2000 where not ST_IsValid(geom); returns in every occasion ...
4
votes
1answer
523 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
2k 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 ...
2
votes
1answer
137 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
523 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
139 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
605 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
1k 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
308 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
759 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
326 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
523 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
184 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
430 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
526 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.
7
votes
2answers
848 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
301 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
644 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
325 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
45 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
149 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
620 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
584 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
65 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
682 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 ...
16
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
393 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
564 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) ...
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 ...
33
votes
1answer
4k 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
253 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 ...