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2
votes
2answers
149 views

Searching Open Source tool to load raster data into Oracle spatial

I'm looking for a tool to load raster data into oracle spatial. I found several commercial products but no open source tool. Is there anything available in the open source world?
2
votes
2answers
458 views

Flow modeling and FOSS GIS; lahars and HEC-RAS

What are the options for FOSS flow modeling of dilute debris flows in QGIS or GRASS? Have you, or can you refer me to studies where the authors, tested these models/plugins/functions/etc. for use in ...
1
vote
1answer
696 views

Delineate polygonal catchment areas from a raster using open-source GIS

I'm 90% sure this basic question has been asked before but looking through the other posts I simply do not see a useful answer. I need to calculate polygonal(vector) catchment areas from a raster ...
7
votes
2answers
1k views

Seamless, color balanced mosaics of aerial RGB photos with Open Source

I'm looking for an open source tool/workflow (even a command line one) to obtain what it is advertised in programs like http://www.inpho.de/index.php?seite=index_orthovista ...
22
votes
9answers
2k views

How to easily shift all features in a vector dataset?

Let's say that I put together a Shapefile and all the features have their vertices shifted by a constant amount. What's the easiest way of shifting all the features (hence the (x,y) position of their ...
7
votes
2answers
365 views

Is there an open source alternative to ArcGIS for Desktop's Integrate tool?

I need to snap about 1000 lines in one layer to the lines in another layer (there are about 5000 lines in the second layer). The lines to be snapped are about 15 map units away from the base layer ...
24
votes
5answers
2k views

Are there open source alternatives to ArcCatalog?

I'm looking for open source alternatives to ArcCatalog. The software should run on both Win and Linux and support the usual file formats (shp, kml, gml, ...) and databases (especially PostGIS, ...
1
vote
1answer
119 views

Extract polyline of border between differing polygons

I have a shape file with polygons with an associated variable that can take different values. I would like to extract the borders between polygons of differing value (red and blue) as a polyline (dark ...
8
votes
4answers
343 views

Open-source software solutions for an Esri user

I am currently a student and have been using Esri software pretty much exclusively for my GIS needs. I occasionally use R for raster creation, especially as outputs of statistical models - which I ...
0
votes
1answer
91 views

Sources for Geo-referenced data for Tiger populations in India or other countries

I'm currently an Undergrad student in a GIS class, and I'm trying to conduct some research on tiger populations and urbanization. Does anyone know where I might be able to find data for tiger ...
8
votes
2answers
187 views

GIS - related magazines, monthly papers? [duplicate]

I was wondering if you can recommend some magazines or basically any other GIS-related papers (printed or digital) which are released on a monthly basis (or every 2-3 months); I am practically ...
1
vote
1answer
115 views

Making my GIS application OGC compliant

We have a stack of open source software's which we use to build a GIS. We would like to align our application to OGC as much as possible. I visited the site and read about the standards. Now my ...
14
votes
6answers
2k views

Pure Python Library for Geometry Operations

Does anyone know of a pure Python (no C or Java dependencies) library for doing geometry operations such as buffer, union, intersects, etc? I'm looking for something that Google AppEngine compatible. ...
1
vote
0answers
138 views

Are there any exisiting .NET implementations for WFS that are extendable?

I've been told its a bad idea to implement WFS from scratch: Implementing WFS within .NET Does anybody know of any exisiting .net implementations that I can extend?
1
vote
1answer
282 views

Any open source alternative for ESRI maps for office

I am looking for an alternative for ESRI maps for office. I know it is very good product for analyzing data within MS office environment. My requirement: -I have few stores data contains location ...
1
vote
2answers
618 views

Is there any open source library for reading OCAD files?

I would like to read map files created by OCAD (.ocd). The file format specification is open and available on the web page, but it's binary and complex. Is there an open source library that can be ...
1
vote
0answers
129 views

How to shift vertices of shapes in shapefile using FOSS python library?

I need to shift each vertice of shape in a shapefile (of any type:point, line, polygon, multiline etc.) with Python. I need to loop in all shapes, get the vertices, get it's coordinates and for each ...
2
votes
0answers
53 views

Quick Way to Finish Area of Interest GIS Data Export Requests

I would say that after custom map creation, data requests are the most frequent GIS requests I have on a daily basis. Now they don't take long, but they add up and I have much more important work to ...
20
votes
7answers
2k views

Alternatives to Network Analyst

I'm not sure how reasonable this question even is, but it leaves me no less curious after a bit of searching. If I am looking to build a network based on road features and attributes, is Network ...
2
votes
1answer
579 views

combine raster and polygon values in R

My question is similar to this one Get Raster Values from a Polygon Overlay in Opensource GIS Solutions but I think I need another step. I have a polygon layer of ecoregions which I brought into R ...
1
vote
1answer
111 views

Projection Transformations [duplicate]

Possible Duplicate: How can I measure area from geographic coordinates? I created my spatial tables in WGS-84 with SRID:4326, I want to transform them to UTM Projection to measure length ...
7
votes
3answers
1k 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 ...
2
votes
1answer
461 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,
1
vote
0answers
49 views

Ubuntu user want to use District Council Uk OS data to print a map!

Hi, I have been told by my Local District Council that to make proper maps that can use their published UK OS data without having to buy the special program is your open source solution. I happen to ...
10
votes
1answer
209 views

Have there been any geospatial applications run in OpenStack by non-governmental entities?

This whitepaper about NASA's Nebula project, describes how cloud computing was used by NASA's Short-term Prediction Research and Transition Center to identify damage scars left by tornadoes. Since ...
8
votes
1answer
190 views

Where to find and share Python geoprocessing scripts? [duplicate]

Where are folks storing and sharing their Python geoprocessing scripts? For example, I know that GitHub has some shared scripts. ESRI is phasing-out ArcScripts, which is still really handy, and ...
4
votes
1answer
240 views

Splitting a shapefile into many shapefiles with open source

I want to create a shapefile for each of the 72,000 census tracts in the United States that includes the census blocks in that tract using open source software. I will probably start with a state ...
1
vote
0answers
226 views

how to automate changing polygon's shape while keeping its area the same and limiting deviation from orginal centroid? [closed]

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, ...
7
votes
1answer
128 views

Open source implementation of “feature density” algorithm

I'm working on a dataset of house searches - 1 polygon for each area in which people want to find a house from an online search tool. This produces many overlapping polygons. It would be great to ...
8
votes
6answers
1k views

How to integrate SAGA Python Modules into ArcGIS Desktop?

I have been having a look at SAGA (http://www.saga-gis.org/en/index.html) and it seems to have some nice tools for geoprocessing. I was wondering if anyone out there has had any luck bringing SAGA ...
19
votes
9answers
2k views

Discontinuous or Interrupted map projections?

Do any of the current open source GIS softwares support discontinous projection systems? E.g. sinusoidal, dymaxion, butterfly, etc? If not, are there any affordable commercial ones that do (affordable ...
16
votes
8answers
1k views

Why should a user choose to use open source software in their remote sensing research?

If you judge by the amount of the questions regarding FOSS software that are being asked in gis.SE many users seems to prefer FOSS over proprietary software. I've read some articles - more precisely ...
3
votes
0answers
64 views

Rasterization tools for vector datasets with styles

I have hundreds of Personal Geodatabases and I want to create one georeferenced TIFF for each one. Each PGDB has the same feature classes ('CotourLines', 'Hidrography', etc) for what I have some ...
18
votes
2answers
1k views

Which geodatabase type is most appropriate for both open source and ESRI use?

Main Question: Is there a geodatabase type that seamlessly works with both ESRI and open source products? Details: My company currently passes around geodata in various vector and raster file ...
1
vote
2answers
226 views

Hypothetical Cost Saving Question: Proprietary v Open Source

I am writing a paper for my GIS MSc and trying to justify a move for the EPA from proprietary GIS software to open source (QGIS). Can anyone hazard an educated guess as to how much ArcGIS would cost ...
4
votes
4answers
2k views

is my open source web GIS software selection ok?

Which are the best open source tools for building a web gis application having PAN, Zoom, Query/search, Label etc options ?. I have decided to use Postgre sql for database and geoserver as middleware. ...
3
votes
4answers
535 views

Which open source GIS software to use for utility management?

I am looking for open source GIS software which can be used for utility management (like water, gas, electricity, road, etc.). I have done this in ArcMap 10.1 but am now looking for open source GIS ...
10
votes
2answers
761 views

Metadata -auto build using python

We have a large (10,000 plus) repository of spatial data (shp/gdb/tab vectors and ecw/tif rasters and also las, xyz and DEM data) where some have metadata records in xml using anzlic metadata editor. ...
-3
votes
2answers
225 views

Looking for open source GIS that doesn't use Google Maps or Bing Map map viewers

I am looking for an open source GIS that does not use Google Maps or Bing Maps. Are there any?
8
votes
2answers
802 views

Are there any open source mapping APIs/toolkits for drawing axes,labels,graticules etc?

I tried to post a more generic question to meta, but it's my first question, so I didn't have a reputation yet. The first question I have is whether this is an appropriate place to ask questions ...
1
vote
1answer
196 views

Any GIS program with GPX support and free hand selection tool?

I'm looking for GIS program that has good support for KML/KMZ or GPX route files and also has free hand selection tool. Right now I use 3dem and it would be perfect for my needs if only it had that ...
1
vote
1answer
124 views

Is it possible to fix a vector layer after I badly georeferenced a map? [duplicate]

Sorry in advance if I missed another question on this topic. I searched for everything I could think of, but I didn't find anything with a solution to my problem. I am quite new to GIS tools and ...
27
votes
6answers
1k views

How to convince an organization to move towards open source GIS?

After spending the better part of the year on this site I am seeing how big the open source GIS community is. I used to just think it was ESRI and nothing else. That said, how do you begin to nudge or ...
2
votes
1answer
154 views

GPL License - App only uses QGis components as a GIS display

I'm still not clear on QGIS licensing ... I am contracted to write a system that has nothing to do with GIS and GIS analysis, but goes around managing animal tags, and I want to use QGIS to draw on a ...
6
votes
1answer
939 views

Open Source solutions for building a Traffic Management System

I am trying to set an Open Source alternative to proprietry ITS (Intelligent Transportation Systems) The goal is to build a Traffic Management System for a middle size city center. Main requirements ...
13
votes
3answers
5k views

Post Processing GPS Data with open source software

I am using Magellan Professional Mapper CX working on ArcPad 7.1 platform. It has sub-meter accuracy after post processing. Without post processing the data collected in the field is off by 10 to 15 ...
2
votes
1answer
282 views

Help with Parameters for MCC-LiDAR

I am attempting to use MCC-LiDAR to reclassify points (.las) originally classified using TIFFS. However, I seem to either be misunderstanding what the parameters really mean or where to get the ...
9
votes
2answers
406 views

How do I generate a large number of maps?

I have to make a large number (hundreds) of distribution maps of species. I have a shapefile that contain the distributions for each species, and for each one, I would like to get a map as an image ...
8
votes
2answers
680 views

Most suitable open source GIS platform

I'm looking for an open source GIS server or desktop package that supports as many file formats as possible, is fast, runs on Linux or Mac and can be controlled via an API. Planning to do very basic ...
19
votes
3answers
771 views

Are there any OpenSource ArcObjects Projects?

One of the major benefits of developing GIS applications based on opensource libraries, is that many projects spring up on top of them which are also opensource. Well designed opensource projects ...