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0
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0answers
96 views

Calculating distances between boundaries of polygons with Python

I have two sets of shape-files which have to be worked on within a Python Script. Those two Shape Files might differ from each other (same thematic content, but 2 different epochs). If there occurred ...
0
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2answers
784 views

A script on this page may be busy, or it may have stopped responding

I'm using OpenLayers - 2.11,GeoServer 2.13, ExtJS 3.4, and Java for developing GIS based web applications. Recently i'm getting below error message in my application "A script on this page may be ...
4
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3answers
331 views

Are there any open source tools for the processing of UAV images?

I have aerial photographs taken by a Unmanned Aerial Vehicle (UAV). I want to do ortho mosaicing and DEM creation to do volumetric analysis. Are there any open source tools that process the UAV ...
1
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1answer
65 views

Infrastructure networks in GIS modelling

I am currently working on a GIS-based project which aims to model the interdependency of existing infrastructure networks, e.g. transport, oil, pipeline networks, etc. The network interdependency ...
0
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1answer
207 views

How to run Layer Stack in Batch Mode with GDAL?

My goal is process fifteen Landsat-8 scenes with three bands. I need to rescale the pixel depth from 16 bit to 8 bit, stack three bands and mosaic all them. This job must be making via open source ...
3
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2answers
583 views

Issue Trying to create Zonal Statistics using Gdal and Python.

I am trying to create zonal statistics using Python and Gdal. I have a polygon shapefile and a raster file, and in order to do so, I am using a piece of code I found in StackExchange. The raster and ...
1
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1answer
34 views

Export layer with symbology with open-source tool

Similar to ArcGIS's "Layers", and "Layer packages", are there any open-source analogs? If I have a PostGIS table opened in QGIS (or GRASS, etc.), can I export it WITH the data, as well as with a ...
2
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3answers
84 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
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4answers
766 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 ...
4
votes
3answers
296 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
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2answers
142 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
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2answers
263 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
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1answer
269 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 ...
9
votes
4answers
324 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
1k 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
529 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
331 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
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2answers
174 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
87 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
132 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
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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
107 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
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1answer
108 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 ...
7
votes
2answers
339 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 ...
1
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0answers
126 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?
4
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2answers
480 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
251 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
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0answers
127 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
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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 ...
2
votes
1answer
893 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
439 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
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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
180 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
258 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
196 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
122 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
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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
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1answer
297 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
426 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
224 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 ...
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votes
2answers
217 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
220 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
171 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
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3answers
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
93 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
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1answer
199 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 ...