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BenH Tourist Reged: 08/02/05 Posts: 3 Re: 3Dsolar addons ver 1.3 !       08/03/05 12:50 PM Edit   Reply   Quote   Quick Reply   I had a look at that site. I can see where the confusion is coming from. They have renamed the 3 IR bands as IR1 IR2 and IR3. I downloaded each band from that sample data and did some basic false colour combinations. What I saw was that a [IR3, IR1, Green] false colour combination corresponded to a ETM742 image. In common remote sensing the landsat bands are refered to Band 1 through to Band 7 and Panchromatic. The normal band descriptions can be seen here in the Official Landsat 7 Documentation. Look at Table 1.2 http://ltpwww.gsfc.nasa.gov/IAS/handbook/handbook_htmls/chapter1/chapter1.html Looking at the link below, you can see a table showing the correct band names again and their radiometric characteristics. http://glcf.umiacs.umd.edu/data/guide/technical/landsat.shtml Band 5 and 7 are Mid Infra Red (These correspond to the confusing IR2 and IR3) Band 6 is Termal (In ETM it's split into 2, so it corresponds to ThL and ThH) Band 4 is Near InfraRed. (This corresponds to IR1) The thing about Earth temperature is, it's emittive. Mid-IR is reflective. Only the Far-IR (Thermal) is emittive. http://www.ccrs.nrcan.gc.ca/ccrs/learn/tutorials/fundam/chapter1/chapter1_3_e.html http://imagers.gsfc.nasa.gov/ems/infrared.html This means that what you display as IR3 is infact Landsat ETM Band 7. What you really need for the Earth Surface Temperature is Landsat ETM Band 6 (Or ThL/ThH on the site you listed) Click Here for a sample image of ThL that I contrast stretched. You can see the sea is black, cold relative to the land. The land a pale grey warm relative to the sea and cool relative to other features. Some of the buildings stand out, almost white, much warmer compared to the surrounding land. Post Extras

Entire topic Subject Posted by Posted on 3Dsolar addons ver 1.6 ! (Free) 3Dsolar 07/26/05 01:17 PM Re: 3Dsolar addons ver 1.6 ! (Free) RexK   08/18/08 04:09 AM Re: 3Dsolar addons ver 1.6 ! (Free) JoshLewis   04/12/08 08:45 PM Re: 3Dsolar addons ver 1.6 ! (Free) Hill   01/29/08 08:47 PM Re: 3Dsolar addons ver 1.6 ! (Free) 3Dsolar   01/29/08 11:36 PM Re: 3Dsolar addons ver 1.6 ! (Free) Hill   01/31/08 12:04 PM Re: 3Dsolar addons ver 1.6 ! (Free) Tomkingsbury   04/08/08 08:40 AM Re: 3Dsolar addons ver 1.6 ! (Free) 3Dsolar   04/10/08 07:37 AM Re: 3Dsolar addons ver 1.6 ! (Free) Tomkingsbury   04/25/08 12:45 PM Re: 3Dsolar addons ver 1.6 ! (Free) Forkboy2   01/29/08 09:14 PM 1.6 add 1:24000 USGS DRG & 2006 NAIP imagery? stuckfly   06/01/07 11:31 AM Re: 1.6 add 1:24000 USGS DRG & 2006 NAIP imagery? Forkboy2   06/06/07 08:36 PM 1:24000 USGS DRG, but don't zoom too close stuckfly   06/07/07 07:31 AM Re: 3Dsolar addons ver 1.6 ! (Free) FCVPI99   10/20/06 04:18 AM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   09/28/06 02:07 AM Re: 3Dsolar addons ver 1.5 ! (Free) oldschool8   08/16/06 12:37 PM Re: 3Dsolar addons ver 1.5 ! (Free) Frank4   04/21/06 02:53 PM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   04/21/06 03:02 PM Re: Global Clouds IR Frank4   03/21/06 05:20 AM Re: Global Clouds IR 3Dsolar   03/21/06 05:29 AM Re: Global Clouds IR Frank4   03/22/06 10:30 AM Re: Global Clouds IR 3Dsolar   03/25/06 03:14 PM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   03/19/06 01:27 PM Re: 3Dsolar addons ver 1.5 ! (Free) lehamite   12/07/05 09:47 PM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   12/08/05 12:21 AM Re: 3Dsolar addons ver 1.5 ! (Free) Jordanmatlock   11/28/05 12:33 PM Re: 3Dsolar addons ver 1.5 ! (Free) Dinesh_Cyanam   11/27/05 03:38 PM Re: 3Dsolar addons ver 1.5 ! (Free) nedobrowsky   11/18/05 01:42 PM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   11/18/05 02:40 PM Re: 3Dsolar addons ver 1.5 ! (Free) nedobrowsky   11/19/05 09:26 AM Re: 3Dsolar addons ver 1.5 ! (Free) IanUK   11/08/05 06:01 AM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   11/08/05 07:17 AM Re: 3Dsolar addons ver 1.5 ! (Free) IanUK   11/08/05 07:24 AM Re: 3Dsolar addons ver 1.5 ! (Free) 3Dsolar   11/08/05 07:43 AM Re: 3Dsolar addons ver 1.5 ! (Free) IanUK   11/08/05 08:06 AM Re: 3Dsolar addons ver 1.5 ! (Free) danielmn   10/13/05 10:18 AM Re: 3Dsolar addons ver 1.5 ! (Free) IanUK   11/07/05 02:13 PM Re: 3Dsolar addons ver 1.4 ! 3Dsolar   09/10/05 01:28 PM 3Dsolar addons ver 1.5 ! 3Dsolar   10/12/05 08:57 AM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   09/06/05 03:19 AM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   09/03/05 01:11 AM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   08/20/05 12:30 AM Re: 3Dsolar addons ver 1.3 ! Hulk   08/03/05 02:23 PM Re: 3Dsolar addons ver 1.3 ! BenH   08/02/05 08:29 PM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   08/03/05 01:00 AM Re: 3Dsolar addons ver 1.3 ! BenH   08/03/05 12:50 PM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   08/06/05 02:15 AM Re: 3Dsolar addons ver 1.3 ! BenH   08/06/05 11:34 AM Re: 3Dsolar addons ver 1.3 ! 3Dsolar   08/06/05 01:17 PM Re: 3Dsolar addons sparqi   07/30/05 09:26 PM Re: 3Dsolar addons Ripr   07/31/05 09:12 AM Re: 3Dsolar addons 3Dsolar   07/31/05 10:57 AM Re: 3Dsolar addons Ripr   07/31/05 05:33 PM Re: 3Dsolar addons 3Dsolar   08/01/05 01:23 AM Re: 3Dsolar addons triphazard   09/04/05 11:48 AM Re: 3Dsolar addons 3Dsolar   09/04/05 11:54 AM Re: 3Dsolar addons 3Dsolar   07/31/05 12:49 AM Re: 3Dsolar addons Ripr   07/30/05 05:35 PM Re: 3Dsolar addons Otik   07/30/05 06:26 AM Re: 3Dsolar addons 3Dsolar   07/30/05 06:37 AM Re: 3Dsolar addons Otik   07/30/05 06:52 AM Re: 3Dsolar addons 3Dsolar   07/30/05 07:08 AM Re: 3Dsolar addons Otik   07/30/05 07:16 AM Re: 3Dsolar addons rtchow0   07/29/05 09:49 PM Re: 3Dsolar addons 3Dsolar   07/30/05 12:50 AM Re: 3Dsolar addons rtchow0   07/30/05 05:04 AM Re: 3Dsolar addons Zappa   07/28/05 04:53 PM Re: 3Dsolar addons Forkboy2   07/28/05 05:49 PM Re: 3Dsolar addons AYATOLLAH   07/27/05 07:02 PM Re: 3Dsolar addons Katamari   07/28/05 06:36 AM Re: 3Dsolar addons 3Dsolar   07/28/05 07:03 AM Re: 3Dsolar addons Katamari   07/28/05 05:26 PM Re: 3Dsolar addons Forkboy2   07/28/05 09:02 AM Re: 3Dsolar addons AnimAlu   07/27/05 05:54 PM Re: 3Dsolar addons AYATOLLAH   07/27/05 01:18 PM Re: 3Dsolar addons equitus   07/27/05 03:37 PM Re: 3Dsolar addons AYATOLLAH   07/27/05 06:31 PM Re: 3Dsolar addons Katamari   07/27/05 11:48 AM Re: 3Dsolar addons 3Dsolar   07/27/05 12:19 PM Re: 3Dsolar addons softmicro   07/27/05 10:02 AM Re: 3Dsolar addons bdh   07/26/05 08:51 PM Re: 3Dsolar addons Kabammie   07/26/05 02:33 PM Re: 3Dsolar addons ink_polaroid   07/26/05 02:32 PM Re: 3Dsolar addons 3Dsolar   09/01/05 01:30 AM

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