The process of combining geographic information from overlapping sources so as to retain accurate data, minimize redundancy, and reconcile data conflicts.

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How can I combine addr:* tags in JOSM to create the addr:full tag?

I have about 400 addresses that I need to update in OSM. They have already been conflated using Josh Doe's Conflation plugin, http://wiki.openstreetmap.org/wiki/JOSM/Plugins/Conflation, which my ...
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0answers
55 views

Conflation integration in geoserver

I have a task at hand to provide conflation functionality in our software. We are using JTS for other WPS operations. Open source JCS library is available but we need it as a WPS service integrated ...
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2answers
59 views

Taking attributes from state road data and adding to over lapping route data

Ok so... I am working on a project that is looking at the regional public transportation within my area and comparing it to the overlapping road systems. I want to display the different attributes ...
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2answers
463 views

ArcGIS Conflation Tool Recommendation or Custom Script for Comparing Points

Can anyone recommend conflation tools for ArcGIS Desktop (10 or 10.1, paid or free) or a scripting outline / procedure (or just a script) to have a technician efficiently process the following rules? ...
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2answers
579 views

Conflating Two Network Datasets in ArcGIS

I am looking to merge two network datasets in ArcGIS 10.0. I have an ArcInfo license and have trawled this forum but am looking for some clarification. I want to merge two road networks but only make ...
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1answer
64 views

How to conflate terrain data?

I have an 8 km by 8 km raster of 20 m/pixel terrain data. The georeference data has been lost. All I know is that it's within 100 km of Smithers, BC. I realize that this might involve some very heavy ...
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1answer
867 views

Conflate (merge) private shapefile data with OSM data

Background Downloaded Alberta OSM data from Geofabrik and have it running on a private Linux server using PostgreSQL 9.1, PostGIS 2.0, Mapnik 2.1.0, osm2pgsql, Apache 2, mod_tile, renderd, and ...
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1answer
360 views

How to combine lines from different sources reperesenting the same road network but with slightly different geometry?

Here is my problem: I have got two layers of polylines which represent the same road network but they are from different sources and have different geometry. The two layers are mostly the same tracks ...
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4answers
1k views

Advise with 'Integrate' tool in ArcToolbox

Im looking for advises on the usage of this tool or some other that may help on my challenge. So i have 2 road layers i need to conflate and find the mismathed ones. My question with integrate tool is ...
6
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1answer
943 views

Open source tool for point/node conflation/matching?

The Question Are there any open source tools for conflating (matching) two layers of point (node) data? Motivation I'm particularly interested in using such a tool to sync data with OpenStreetMap, ...
6
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2answers
278 views

Metric/parameters to compare length of polyline

What would be a good metric to compare the length of two polylines? A very naive approach would be to define a maximum delta which the two lines can differ. I'm looking for more approaches. For ...
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5answers
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Algorithms for matching segments

What are the best algorithms to match segments? I'm trying to match corresponding segments from two map sources, one less accurate but with segment names, and one more accurate without segment names. ...