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2
votes
3answers
80 views

Render huge amount of points on a map

I already had a look here. My situation is, I have huge amount of points (about 1 million). I have to display these points on a map. I searched but I found arcgis solutions. I want an open source ...
7
votes
4answers
699 views

Is there an open source equivalent of ESRI story maps?

I am a french user, sorry for my spelling mistakes. I am currently interested by storytelling with Maps. ESRI offers a tool : this is a great example of what I am looking for. But I do not own ...
2
votes
2answers
227 views

DEM generation from ASTER L1B imagery using FOSS

Is there any (photogrammetric or other) FOSS package to support the generation of a DEM from ASTER L1B products (i.e. combining the spectral bands 3N and 3B)? Are there any practical examples or/and ...
0
votes
2answers
135 views

Calculating minimum/maximum width for overlay of two polygon strips in ArcGIS or some Opensource GIS

Is there some solution for calculating minimum and maximum width for overlay of two polygon strips? When I clip these strips the result is another strip with variable width about 1 km and 20 km long. ...
0
votes
2answers
236 views

UMN MapServer alternatives [duplicate]

I am new to GIS application world. I would like to ask what are the other alternatives to UMN MapServer in the market preferably open source?
7
votes
1answer
256 views

Looking for free / opensource Lidar web viewer

I have lidar data which I want deploy my users using web viewer. I will probably hold the data in PostGIS (not sure yet). Is there good opensource/free lidar viewer that I can integrate with ...
8
votes
4answers
303 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 ...
2
votes
3answers
944 views

Viewshed / Line of Sight analysis- as a batch process?

I wish to carry out a line of site analysis similar to the subject in here (preferably within QGIS): Visual Impact Assessment in QGIS or GRASS Scenario: I have two points, A and B. Point A is a ...
1
vote
1answer
485 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
4answers
320 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
84 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
162 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 ...
2
votes
1answer
85 views

Open Source + Offline Geo Notebook

I am looking for an open source offline software to record points of interest that I might visit at a later date. Let's say I am reading a book about Alaska, I'd like to take notes about interesting ...
2
votes
2answers
128 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?
5
votes
6answers
1k 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
1answer
106 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 ...
1
vote
1answer
106 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 ...
6
votes
2answers
331 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 ...
0
votes
0answers
27 views

suggestions for open source GIS in monitoring [duplicate]

my name is weng and i am currently conducting my research Entitled "Architecture for GIS based monitoring system for malnutrition" and one of the requirement would be to identify what open source GIS ...
1
vote
0answers
123 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?
3
votes
1answer
434 views

Are there open source solutions for travel demand modelling?

I'm looking for open source tools for travel demand modelling (eg The four-step UTMS). Preferably in a GIS environment. That works well with Qgis, Grass and Postgis. My question is not related to ...
1
vote
1answer
244 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 ...
0
votes
0answers
144 views

Fleet And Fuel Management Software

Is there a free software like the ArcGIS Server/ tracker that can perform Vehicle Tracking and Fuel Monitoring? I would like to monitor more than 1000 units both stationary and moving. I would like ...
1
vote
0answers
126 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
52 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 ...
2
votes
1answer
822 views

Open Source Alternatives to Erdas ATCOR

I have been using Erdas ATCOR for atmospheric correction of ASTER imagery. What opensource options exist for atmospheric correction of ASTER Level 1B products? I'm primarily interested in converting ...
2
votes
1answer
398 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
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 ...
8
votes
1answer
179 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 ...
2
votes
1answer
252 views

Are there Open Source alternatives to ArcGIS Aggregate and Extract Value to Points?

I am looking for some kind of Open source GIS library which can perform spatial analytic functions same as ArcGIS. My use case is : I am processing GeoTIFF file provided by USGS and performing ...
3
votes
1answer
185 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 ...
6
votes
1answer
121 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 ...
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 ...
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 ...
13
votes
1answer
293 views

Watermarking photos using their geotag and create a shapefile

I have geotagged photographs and I would like to place a watermark of the photos location on the front for easy reference as well as creating a shapefile from the coordinates. Does anyone know of any ...
4
votes
4answers
1k 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
393 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 ...
1
vote
1answer
205 views

Are database client files platform specific?

I'm just looking for some clarification on a question that came up with me this morning. Are the DLL client files (libeay32.dll, libiconv-2.dll, libintl-8.dll, libpq.dll, and ssleay32.dll) platform ...
-3
votes
2answers
214 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?
1
vote
2answers
219 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 ...
1
vote
1answer
169 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 ...
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 ...
8
votes
2answers
2k views

Looking for open source software similiar to ESRI City Engine

I am looking for open source software similar to ESRI City Engine and currently going through open source software directory. Update : About ESRI City Engine (Quick introduction) We want to make ...
2
votes
2answers
90 views

Framework/software for dynamic WPS creation

We have some specific EO data processing facility and are about to provide an access to one using WPS-based interface. The are plenty of solutions for the task. However, it is hard to find one that ...
10
votes
1answer
196 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 ...
2
votes
1answer
140 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 ...
2
votes
1answer
199 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 ...
7
votes
2answers
790 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 ...
2
votes
2answers
393 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
119 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 ...