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0
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6 views

Adding census and other data overlays to google maps - for a non-programmer :-)! [on hold]

I have been creating private Google maps that track our business ventures and competitive marketplace. This much I could figure out without a CS degree :-) I am now looking for a tool, service, or ...
0
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0answers
14 views

Is there a Web Based, Open Sourced, GIS Mapping Solution? [duplicate]

I work primarily with JSAPI in an ESRI environment at work. But I have some personal projects that I would love to compliment with a collaborative GIS solution without using Google. Are there any ...
0
votes
1answer
17 views

Methodology for Image Classification (beginner) [on hold]

I'm a beginner with remote sensing and have the task of creating a land use/land cover map of a region in India from IRS imagery. I've never performed an image classification before, although I do ...
3
votes
1answer
29 views

Building a web map with spatial search functionality

I have some population and thefts data as below: I am able to geocode these and build a map of county polygons in QGIS with the attributes attached. However, my final objective is to have a web ...
1
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1answer
38 views

Seeking C++ api to read/write PostGIS?

I need read/write geometry object from PostGIS. Is there C++ library to do this?
0
votes
1answer
28 views

API provider for getting coordinates automatically?

I need to get the coordinates of some accommodations automatically (and not by extracting them manually from, e.g., Google Maps) and then import them in QGIS. I've already seen that TripAdvisor has an ...
3
votes
3answers
67 views

In transferring a family cemetery layout to a digital format, I need a software program [on hold]

We have a large historic family cemetery. I've had surveying experience, drafting in the days when it was done by hand, and a lot of real estate experience with deed descriptions and layouts on maps. ...
0
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0answers
23 views

Seeking free Route Service for ArcGIS Online Account?

I am creating a web application for Election Polling places in my county. I am using the District Look-up widget and my Auditor's office wants routing capabilities. We can't use the default routing ...
-1
votes
1answer
40 views

recommended hostings or web spaces for GIS functionality [closed]

I just want to develop a web site which will have a Map and a few layers, including some extra GIS functionality, based on OpenLayers (javascript). I only know about Amazon EC2 as a candidate for ...
1
vote
1answer
13 views

Resources for digitizing in webmap and export? [closed]

Its possible with Google Map API to draw geometries and points. And exporting as well I assume. Is there other alternatives, probably based on Java that can do the same job? I've been researching on ...
7
votes
0answers
109 views

Given two lat/longs, how can I tell if they are within 1 mile of each other?

I'm trying to implement a very efficient check to see whether two points are within a mile of each other, or not. My current approach is to compute the Haversine distance, and then check to see if ...
0
votes
1answer
54 views

Is there a tool to shrink/grow raster data edge by n pixels

Looking for an open source tool to grow/shrink raster edge by n pixels. I noticed Grass has r.grow but hoping there might be a way to do it with GDAL, PostGIS or python library. More information: I ...
1
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0answers
26 views

Free UK Geocoding with Java

Is there any free solution for geocoding UK with Java? I would like to avoid APIs, like for example Google's Geocode service as I have over 1 million addresses to geocode.
1
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2answers
51 views

What's the best way to visualize hundreds of GPX files?

I'm an amateur GIS enthusiast who maps my runs, hikes and urban explorations all over the place. I have accumulated hundreds of GPX files which I enjoy visualizing in different programs - but all of ...
2
votes
1answer
53 views

Sales Territory Mapping [closed]

My company is interested in using GIS to create sales territories in the pharmaceutical industry. We currently use "alignment" software, but now we're looking for more commonly used and versatile GIS ...
0
votes
1answer
63 views

C/C++/C# Library for raster to vector conversion

I am looking for an "open source" C/C++/C# Library able to convert raster to vector data (Polygonize). I know gdal_polygonize.py is doing the job, but I can't use Python. Portrace is an other option, ...
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0answers
30 views

Testing a new GPS positioning method

My PhD research involves developing a new positioning algorithm for GPS. The focus on the research is on the mathematical aspects and not to build a GPS receiver. However, we are interested in testing ...
2
votes
1answer
31 views

collect location via form [duplicate]

I'm trying to find if there is some solutions for collect data from users via some easy form (not google forms, something more powerful)? I heard about arcgis collector, but you have to log in (so ...
1
vote
2answers
85 views

How to spatial subset (clip) TerraSAR-X SSC data (.cos) using vector files and one of the softwares (ENVI, PCI Geomatica, Erdas Imagine, etc)?

I have SSC data of San Francisco which I have extracted their extent as a KML file using: SARscape > Import Data > SAR Spaceborne > TerraSAR-X Then through some operations in ArcGIS, I have ...
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0answers
13 views

windows application with nmea infos

Does anyone know a Windows application,which I can save gps position datas in.xml files with nmea datas? I know only androSensor for android.
1
vote
1answer
29 views

Source for North American public boat and kayak launch sites?

Does anyone know of a good source for North American public boat and kayak launch sites for mapping in a GIS. I would prefer a web service.
2
votes
1answer
60 views

alternative to geograpy package for python (Pulling locations from text)

I am currently exploring using the geograpy package for python to pull locations from text. It uses nltk, among other things to pull locations from URL's and text. The only problem is it doesn't ...
0
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0answers
18 views

How to extract coherence and covariance matrices of TerraSAR-X data?

I have obtained quad-polarized level 1b TerraSAR-X data from DLR. When I tried to read the data using PolSARpro, I understood that it is only capable of reading SSC format But my data is in MGD ...
0
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0answers
13 views

How to decide a which server is best for geo-spatial data servicing? [duplicate]

I want to serve both vector and raster data sets of large volume (ex: for a country). Right now I'm using GeoServer for vector and MapServer for raster. Is there any literature or reference such ...
3
votes
1answer
107 views

Atmospheric Correction for multiple Landsat-8 scenes

I need to perform an atmospheric correction for Landsat-8 data and can't find a solution. There is a very limited amount of information dealing with L8-correction methods in a comprehensive way, ...
0
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0answers
47 views

Libraries to render vector-based maps in android

Is there any library or method available to render GeoJSON data from my own server. I tried opensciencemap library but its useful for OSM Json type data, not my own simple GeoJSON format.
2
votes
1answer
47 views

Tutorial for Kinect 3D scanning over a wide area & export to LAS? [closed]

I am interested in using a Kinect to 3D scan a large (~1 acre/0.4 hectare) area, but I am uncertain as to how I could best execute a surface scan of topography. Tutorials that I have seen online show ...
1
vote
1answer
36 views

Which tool for custom queries? [closed]

I'm new to the GIS world, and I'm trying to work out what tool I should start with in order to analyse some data and run custom spatial queries on it. I have a data set representing the recording of a ...
-1
votes
1answer
44 views

Displaying MySQL database as layer on map?

I have a mysql database with lat/long/name and I would like to show them on the map as a layer (that is if I update my database you would see the changes when you reload the page or redraw). Esri ...
0
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0answers
7 views

S63 Viewers with JavaScript API [duplicate]

I am in the process of developing a web interface for viewing encrypted ENC data (S-63) and was wondering what options are available to handle the rendering? I have investigated ArcGIS Server and it ...
1
vote
0answers
42 views

distributing QGIS via OPSI

Is anyone experienced in distributing QGIS via OPSI (Open PC server integration, http://www.opsi.org/en)? I think this requires an msi package, has anyone built one from the qgis.exe installer? ...
0
votes
1answer
59 views

Is there a python-module to convert data to a Shapefile (w/o GIS)?

Input data can be excel, text, whatever. I would like to produce shapefiles from data on a computer without GIS installed. Is there anything out there? Fiona seems to be such a module. Are there any ...
2
votes
0answers
59 views

Automating georeferencing of aerial photos? [closed]

I have tried using the "automatically place Passpoints" tool on the georeferencing toolbar in ArcGIS 10.3.1 but this only seems to work with Aerial photos which are near to identical. I have many ...
2
votes
0answers
31 views

Is there a free mapping tool which has its on Android SDK?

I am looking for the functionality(s) ArcGIS provide for developing Android apps for free. What I want in specific is a tool like ArcMap where I can develop a map and convert it to some file format ...
1
vote
0answers
26 views

How can I connect seven schools worldwide to create and share QGIS projects? [closed]

I am looking at a possible programme to connect seven schools ( all English capable ) located around the world to set up and share QGIS data and projects about their own local area among the group. ...
1
vote
1answer
34 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.
0
votes
1answer
18 views

i am looking for a simple app that will record gps coordinates against photos and videos [closed]

is there a simple app that will allow my Android phone to record not just a location name against photos and videos, but also the gps coordinates?
3
votes
1answer
125 views

Looking for more realistic 3D terrain renderer than ESRI Arcscene

I am looking for simple suggestions of software packages that go beyond what ESRI ArcScene can offer. I want to create 3D terrain visualisations, particularly of orthophotos draped over high quality ...
1
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0answers
7 views

How to determine uncovered fixed units using RadioMobile

I've been tasked with determining if certain houses in a specific area won't be covered by a proposed radio network. The houses and stations are fixed but I'm using RadioMobile which doesn't seem to ...
1
vote
1answer
42 views

Polygon Surface Area Calculator in different map projection(s)

I'm simply looking for an online tool or a utility to calculate the surface area of the same polygon (i.e shapefile) in different projection (projected and geographic projection system) systems. It ...
1
vote
2answers
78 views

Which opensource alternative for users used to ArcGIS 10.x? [closed]

I'm a student and used ArcMap 10 for over 5 years now. Since I will finish university in 3-4 month I wouldn't be able to use ArcMap free of charge anymore. I already searched on google for opensource ...
2
votes
0answers
45 views

Convert xyz coordinates to lon/lat to calculate height change GPS time-series data [duplicate]

How can I convert the XYZ coordinates in Lat, lon to calculate height in metric system? XYZ ascii site YYMMMDD yyyy.yyyy __MJD week d reflon _e0(m) __east(m) ____n0(m) _north(m) u0(m) ____up(m) ...
3
votes
1answer
50 views

How to find Coordinate System of datasets inside MDB and GDB

I have been given some ESRI personal geodatabase files (MDB) and file geodatabase files (GDB). I don't know the coordinate system(s) for these files. Is there a way to do this without using ESRI ...
1
vote
3answers
102 views

Windows software to convert GeoJSON (> 6Mb) to Excel/CSV?

I am trying to convert OpenStreetmap data GeoJSON to Excel (or .csv files). Few online converters are there. However, when the file is big (example: 6Mb Geojson), the browser is becoming ...
2
votes
0answers
96 views

Any suggestions for a free simple portable GIS viewer [closed]

I am looking for a free, simple and portable GIS viewer. Any suggestions? By 'free', I mean gratis long-term, and not some trialware version or a version with 'restricted' functionality (e.g. < ...
0
votes
0answers
31 views

Creating a map with custom icons

I am busy with a project where in i am mapping the Atlanticwall bunkers in my city and i would like some help. Now I am making screenshots of a map and then I paste my 2d blueprints at the exact ...
3
votes
1answer
67 views

Is it possible to create points that represent lines in QGIS 2.8.Wien?

I want to create points to represent lines from a line layer. This is similar to creating points to represent polygons. Does anyone have an idea on any useful plugin or the best way to do this?
5
votes
3answers
467 views

Thinning large LiDAR point cloud?

I have a large point cloud (LAS file) and I am trying to thin this using a complex technique. I know it is possible to thin a point cloud using simple techniques such as extracting every nth point. ...
0
votes
0answers
71 views

How to create a fantasy map

I would like to create a realistic map of a fantasy world to have an overview over the world. Now I search for a suitable editor to draw the map from scratch. One of my continents starts at the South ...
1
vote
0answers
22 views

Does Cassandra support GIS operations? [duplicate]

We are trying to build out stack on top of geo-spatial data, this means storing more than 10000records per a second. we are using Storm to accelerate receiving the data, but we would like to use some ...