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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | FW: GISList: Aerial photo rectification (clarification) |
| Date: |
06/18/2003 05:05:00 PM |
| From: |
Sterling, Paul |
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I'm looking for experiences and comments:
1. By USERS of orthorectification software
2. As it is being applied to ArcGIS 8.3/ArcView software.
Anyone use OrthoMapper? OrthoGIS? DIME? Other packages that are compatib=
le with ArcGIS?
Paul
-----Original Message-----
From: Sterling, Paul=20
Sent: Wednesday, June 18, 2003 1:24 PM
To: gislist@geocomm.com
Subject: GISList: Aerial photo rectification
Hello all!
I'm looking for experienced advice about orthorectification software to use=
with our ArcGIS 8.3/ArcView software. Our natural resource department wil=
l be purchasing orthorectifiction software to process:
1. Initial goal is to process 10-20 digital color aerial photos of recent =
harvest areas, at flown at various scales between 1:2400 to 1:12000. Purpo=
se will be to replace portion of our 2000 B/W othophoto with newer digital =
photo. Alternatively, if accuracy is unacceptable, I want to be able to ov=
erlay the rectified photos. This process is repeated twice per year. Our =
primary resources are timber, fish, and wildlife. Our topography varies fr=
om flat to steeply broken. Vegetative cover is generally thick timber and =
brushy, making it very time-consuming to find tie points
2. Long-term goal is to process aerial photo archives (1940 - 2000). This=
consists of about 10,000 photos from ten or more flights covering over 200=
,000 acres. Photos are primarily B/W flown at 1:12000. Purpose is to create=
individual orthophotos for each photo flight, and also for overlaying onto=
other orthophotos. We may buy a scanner and do the scanning as needed, or=
we may contract out scanning.
DIME, OrthGIS, OrthMapper, ... users? Any advice about orthorectification =
software will be appreciated. I'm particularly interested in costs (ie tim=
e) to process batches: of 20 digital photos and for large batches (eg 1000)=
of scanned photos.
Thanks in advance
Paul Sterling
Forestry GIS Analyst
Quinault Department of Natural Resources
Quinault Indian Nation
Taholah, WA 98587
psterling@quinault.org
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