Questions tagged [open-source-gis]

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

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14
votes
6answers
2k views

What free or open source cloud-based software is recommended by/for the GIS community?

Note: This question is intended to complement an earlier question on installed, desktop software. What GIS-related, or even non-GIS-specific, web- or cloud-based software/tools/services -- that are ...
0
votes
1answer
420 views

Reading Esri File Geodatabase (.gdb) from .NET?

I have been reading various threads on reading (not writing) an ESRI file geodatabase (.gdb). What I need to do is process a feature class in a geodb and extract the vertices of each feature. I do not ...
0
votes
0answers
15 views

Connect Dropbox on Cartodb instance

I have edited the app_config.yml dropbox: app_key: 'myappkey' app_secret: 'myappsecret' callback_url: 'https://urlofmyinstance/user/admin/api/v1/imports/service/...
0
votes
0answers
16 views

Coregistration of PALSAR and Landsat-8

I'm working on forest biomass estimation with Alos-Palsar and Landsat-8 data for 2015. For this I need to coregister the scenes from Alos-Palsar and Landsat-8. I would like to know which open source ...
0
votes
0answers
27 views

Creating a point layer in .tab format in certain symbology of .ttf font with FDO Toolbox 1.4

The current version of QGIS doesn't support creating .tab files of POINT layers with saving the symbology of spatial objects. If you open the output .tab file in MapInfo, you will see, that the whole ...
0
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0answers
27 views

Editing symbology of point objects in .tab format using only open source software

QGIS cannot save the symbols of point objects when exporting to .TAB format, even if "MapInfo 3.0 compattible" .ttf font is used for symbology. QGIS can only save the colour of polygon and polyline ...
1
vote
1answer
51 views

Gram-Schmidt pan-sharpening in open source Python

I am looking to use the Gram-Schmidt pan-sharpening method in Python but I can't find any libraries that have this as an option. I found this, but I don't understand where to even go after reading it ...
8
votes
1answer
6k views

Downloadable, Open Source, IP GeoLocation database

I have an open source project I need a similarly open source IP GeoLocation database for. i.e. IP address to country (and ideally city). Ideally with a license that allows redistribution. This is a ...
0
votes
0answers
18 views

is there a open source way to georeference a non geospatial vector (like eps, svg etc)?

Is it possible to reference a non geospatial vector file such as eps, pdf, svg, dxf etc.? The vectors I'm talking about are points and lines without any georeferences, but the size, the position and ...
10
votes
4answers
10k views

Choosing GTFS editor for creating and exporting routes?

I am a beginner and I need information about GTFS editors. I want to create routes,trips,patterns,etc... and export it to GTFS-format. I have setup locally two GTFS editors: TransitDataFeeder ...
0
votes
0answers
31 views

Seeking Open Source Alternatives for FME [duplicate]

Do you know any good open source alternatives for FME? Searching for some free but powerfull alternatives for geodata management, workflows (Python APIs), etc.
1
vote
1answer
128 views

Free software to publish tiles on Amazon S3?

Does anyone know of free software that would allow me to publish tiles on Amazon S3? I know of Arc2Earth, but it is not free.
11
votes
4answers
2k views

How to rectify polygon shapes in QGIS?

I have some polygon-shapes in qgis-1.7.0 and want to ensure that every polygon is a rectangle. See image below. Is there any way I can do this in QGIS (or any other f/oss)? Or how can I improve my ...
-1
votes
2answers
1k views

How to publish a GML file as a Web Feature Service (WFS)?

I am interested in publishing a GML file as a WFS. I don't want to use a database like PostgreSQL. What would be the rough steps I need to do for that? I like to use open source software (geoserver). ...
2
votes
6answers
643 views

Seeking (Open Source) Mobile GIS app for survey?

I'm going to do an on-site survey for a business area development research. Therefore I'll visit all of the biggest business district from a medium-scale city (100,000 population) to check present ...
2
votes
1answer
344 views

Juno 3D open source software

Is there an open source software that I can use to collect data with the Juno 3D GPS? I'm hesitant to buy a Terrasync or ArcPad license.
3
votes
1answer
144 views

Seeking open source geospatial viewer of attachments stored in file geodatabase?

I have a file geodatabase that contains imagery and photo attachments linked to each record of a feature class. I am looking for a non-proprietary solution that allows a user without Esri to view ...
27
votes
7answers
5k views

Alternatives to Network Analyst [duplicate]

If I am looking to build a network based on road features and attributes, is Network Analyst my best bet? Is it my only bet? The world of FOSS (Free and Open Source) is new and exciting to me, but ...
6
votes
3answers
5k 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 ...
9
votes
7answers
8k views

Seeking .NET opensource library for geometry operations

Are there any opensource librarys for doing geometry operations (union, intersect, relation...) in .NET?
-1
votes
1answer
89 views

Seeking open source tool for 3D Interpolation

Empirical Bayesian Kriging 3D (EBK3D) looks to be the tool I need within ArcGIS. It requires a GeoStatistical Analyst license. Is there is a similar tool or library that is free and open source? I'...
3
votes
2answers
2k views

Exporting Raster Attribute Table using Open Source software

I have 120 or so geotiff files that I'd like to build and export the raster attribute table to something a little more friendly (e.g. csv). I'm curious if there is an open source way to do this. The ...
3
votes
2answers
3k views

Adjust leaflet routing machine draw (animate) route speed

I use leaflet routing machine and it's working fine with me. Here is my code: <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width" /> <...
0
votes
1answer
55 views

ODLStudio Matrix Size Problem

The reason I'm asking this question here is that I've seen a thread about ODL already. Let me know if I'm in a wrong place. I'm trying to crosscheck a route plan using ODL Studio, which uses JSpirit ...
0
votes
1answer
219 views

Seeking tools or open source library to deal with LIDAR data(mobile laser scan data) [duplicate]

I would like to do some research job relating to automatic objects extraction along the road, like road markings, pole-like objects. I have to pre-process the original data before applying my own ...
11
votes
2answers
1k 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. ...
8
votes
2answers
528 views

Seeking GIS-related magazines and monthly papers [duplicate]

Can you recommend some magazines or other GIS-related papers (printed or digital) which are released on a monthly basis (or every 2-3 months); I am looking to keep in touch with the GIS fast-growing ...
1
vote
2answers
126 views

Layman friendly method to create a shapefile [closed]

I have a few projects where I'm plotting various things on a map that's broken down by neighborhood (this, basically). It's looking like I need to make my own shapefile but with absolutely no GIS ...
7
votes
4answers
17k views

ArcGIS Server vs Open Source software [closed]

What do you think what are the advantages and disadvantages (of both)? Apart from fact that open source software is free to use. I mean capabilities, functionality, workload to GIS servers, easy ...
-6
votes
1answer
1k views

Seeking examples of Commercial and Open Source geoportals [closed]

What geoportals do you know built in commercial environment (ESRI ArcGis Server, Intergraph) and what do you know built with Open Source solutions (like geoserver, mapserver + OpenLayers)?
0
votes
0answers
33 views

Converting an OpenStreetMap database to a raster attribute table

I'm new to OSM and analyzing maps in general. My task is to convert a certain area from OSM (which is given in an XML format and can be converted to different GIS formats) to a tensor where two ...
0
votes
0answers
31 views

Atmospheric correction for AVIRIS hyperspectral data

I have recently started with hyperspectral image processing and analysis. I am developing a python tool for processing AVIRIS hyperspectral data. I would like to know whether exists an open-source ...
2
votes
3answers
1k views

Seeking open source ArcGIS REST API compatible server?

Are there any open source tools out there that can provide an ArcGIS REST API compatible interface or similar functionality? Many of our clients are running ArcGIS software and are asking us for REST ...
9
votes
5answers
20k 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 ...
13
votes
6answers
30k views

Open Source equivalent to Collector for ArcGIS to use with QGIS/PostGIS?

From my reading of the Esri web pages the Collector for ArcGIS is tightly tied to that platform. I would be delighted to learn that I am wrong about this. I have a strong interest in generic mobile ...
-1
votes
3answers
292 views

Open source solution to convert CAD annotations to DXF/GIS vector format?

Looking for an open source solution to extract CAD annotations to one or several common OGR vector formats (DXF, Geopackage, shapefile ..). Output data must contains at least text and rotation.
19
votes
4answers
15k 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 ...
26
votes
12answers
28k views

Working with LiDAR data using other than Esri software?

I will be working with LiDAR data soon and I am wondering what the alternatives to using Esri software to do this are, including open source solutions?
2
votes
2answers
1k views

Rasterizing ungridded XYZ (LiDAR) files? [closed]

I have a large set of ungridded xyz text files (LiDAR point cloud) and want to export them to any raster format (tiff, asc, gridded xyz...) for further GIS processing. The source: https://www....
1
vote
2answers
979 views

Seeking Icon library for custom GIS software? [duplicate]

I am building a desktop application and currently utilizing a mix of icons for pan, select, zoom, attribute table, etc that have been randomly taken from the internet and modified. The overall look ...
0
votes
1answer
45 views

Seeking GIS Solutions for land management? [closed]

I am working at real estate company. We need to use a GIS solution for land management. Which is better Open source or Esri Solution? A big problem with Esri for me is its Licence. I need more ...
6
votes
3answers
3k views

Convert UTM northing and longitude to latitude

I am doing some work with the Military Grid Reference System (MGRS), which is based on Universal Transverse Mercator (UTM). I find that I need to convert from UTM northing and longitude (actually, ...
2
votes
3answers
186 views

Raster symbolization in open source web gis? [closed]

We would like to build a simple web map application that displays raster data (e.g. a digital surface model) and symbolizes values (e.g. height) using a color ramp. Is it possible to have the user ...
19
votes
4answers
14k views

Free GIS software for orthorectification?

Could someone recommend a free and/or open source GIS application that can orthorectify map images?
2
votes
1answer
97 views

Compress Large size of satellite image by Open Source GIS software [closed]

I have a new challenge to compress large size of satellite image from 59GB to 10GB as maximum size by Open Source GIS software to publish it to GeoServer.
1
vote
1answer
1k views

Searching open source Terrain and Satellite maps for Leaflet

For our project, we are exploring Terrain and Satellite maps using Leaflet.js While exploring the Internet got this OpenTopoMap. However, not sure whether this is a Terrain Map. For Satellite got ...
-1
votes
1answer
48 views

Searching for features? [closed]

With free, open source tools and data, I would like to be able to find (electronically, not by hand) properties (in the sense of "land owned by private individuals") that meet the following sample ...
23
votes
4answers
8k views

Is there an open source GIS to view and edit CityGML models?

I'm looking for an open source GIS that supports viewing and editing of CityGML models. So far, I've found a list of open source applications that support CityGML, but they all seem to be stand-...
6
votes
8answers
11k views

Open source/free software for generating a 3D view of mapping?

Is there any software that will generate a 3D view given a DTM/height data and raster mapping, and output an image in a printable resolution? I am looking for something similar to what you'd find in a ...
1
vote
0answers
50 views

Failed to load the GDAL native libs for GeoServer 2.15.0 [duplicate]

2 days searching and looking for a guideline to enable GDAL extension for GeoServer, I found many questions here and I followed all steps, but unfortunately the problem still exist the default raster ...

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