Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-19 Thread David G. Smith PE PLS
...@openstreetmap.org; OpenStreetMap talk mailing list Subject: Re: [OSM-talk] Intriguing artifacts in GeoEye data If only man-made artifacts are displaced, but not the terrain, that must be a mapping error. An actual earthquake land-shift would have displaced the terrain, and moved buildings

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-19 Thread Peteris Krisjanis
2010/1/19 David G. Smith PE PLS dsm...@synergist-tech.com: I noticed the same on the southern coast of Haiti as well (I have been doing some mapping in and around Jacmel), with some oddities where features and ocean collide, with the ocean being too far inland - and editing of the coastline

[OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread ce-test, qualified testing bv - Gert Gremmen
If you look at the coast of Haiti, west of port-au-prince some strange artifacts are shown on a lot of places where building and beach clubs (I presume) touch the coast line. Look here for example: http://www.openstreetmap.org/?lat=18.5474002361298lon=-72.574583435zoom=15 and enable the

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread John F. Eldredge
, for even to think wrongly is better than not to think at all. -- Hypatia of Alexandria -Original Message- From: ce-test, qualified testing bv - Gert Gremmen g.grem...@cetest.nl Date: Mon, 18 Jan 2010 15:42:03 To: openstreetmaptalk@openstreetmap.org Subject: [OSM-talk] Intriguing artifacts

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread Marcus Wolschon
Sounds like buildings drawn precisely from high-res but poorly georeferences aerial photos. Looking at a sat-image you don´t know if not all of that photo is 50 or 200 meters off unless you are on the ground to compare. On Mon, Jan 18, 2010 at 4:51 PM, John F. Eldredge j...@jfeldredge.com wrote:

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread ce-test, qualified testing bv - Gert Gremmen
-boun...@openstreetmap.org; OpenStreetMap talk mailing list Onderwerp: Re: [OSM-talk] Intriguing artifacts in GeoEye data Sounds like buildings drawn precisely from high-res but poorly georeferences aerial photos. Looking at a sat-image you don´t know if not all of that photo is 50 or 200 meters off

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread Peteris Krisjanis
WMS are with serious offset and no one haven't provided GPS references yet. Maybe that's the reason. Cheers, Peter. 2010/1/18 ce-test, qualified testing bv - Gert Gremmen g.grem...@cetest.nl: If you look at the coast of Haiti, west of port-au-prince some strange artifacts are shown on a lot

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread John F. Eldredge
...@openstreetmap.org Cc: OpenStreetMap talk mailing list Subject: RE: [OSM-talk] Intriguing artifacts in GeoEye data Sent: Jan 18, 2010 3:01 PM This IS a picture ! Not drawn ! It coincides with a aftershock location Gert -Oorspronkelijk bericht- Van: Marcus Wolschon [mailto:marcus.wolsc

Re: [OSM-talk] Intriguing artifacts in GeoEye data

2010-01-18 Thread andrzej zaborowski
2010/1/18 ce-test, qualified testing bv - Gert Gremmen g.grem...@cetest.nl: This IS a picture ! Not drawn ! It coincides with a aftershock location My first guess was that these were the foundations of the houses but it may be some kind of rubble that slid into the water. I don't know about