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Re: create geotiff [message #55991] Wed, 26 September 2007 09:47
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Paul van Delst writes:

> Maybe here:
>
> http://support.esri.com/index.cfm?fa=knowledgeBase.gateway
>
> Somewhere....

Yeah, somewhere there...

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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Re: create geotiff [message #55995 is a reply to message #55991] Wed, 26 September 2007 09:33 Go to previous message
Paul Van Delst[1] is currently offline  Paul Van Delst[1]
Messages: 1157
Registered: April 2002
Senior Member
David Fanning wrote:
> Paul van Delst writes:
>
>> 3. Other:
>> WGS72 / UTM northern hemisphere: 322zz where zz is UTM zone number
>> WGS72 / UTM southern hemisphere: 323zz where zz is UTM zone number
>> WGS72BE / UTM northern hemisphere: 324zz where zz is UTM zone number
>> WGS72BE / UTM southern hemisphere: 325zz where zz is UTM zone number
>> WGS84 / UTM northern hemisphere: 326zz where zz is UTM zone number
>> WGS84 / UTM southern hemisphere: 327zz where zz is UTM zone number
>> US State Plane (NAD27): 267xx/320xx
>> US State Plane (NAD83): 269xx/321xx
>> Values:
>> PCS_Adindan_UTM_zone_37N = 20137
>> PCS_Adindan_UTM_zone_38N = 20138
>> PCS_AGD66_AMG_zone_48 = 20248
>> PCS_AGD66_AMG_zone_49 = 20249
>> PCS_AGD66_AMG_zone_50 = 20250
>> PCS_AGD66_AMG_zone_51 = 20251
>> PCS_AGD66_AMG_zone_52 = 20252
>> PCS_AGD66_AMG_zone_53 = 20253
>> PCS_AGD66_AMG_zone_54 = 20254
>> PCS_AGD66_AMG_zone_55 = 20255
>> PCS_AGD66_AMG_zone_56 = 20256
>>
>> ..etc..etc..etc...and...etc...
>
> Is there an English translation somewhere. :-(

Maybe here:

http://support.esri.com/index.cfm?fa=knowledgeBase.gateway

Somewhere....

?

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Re: create geotiff [message #56002 is a reply to message #55995] Wed, 26 September 2007 08:06 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Paul van Delst writes:

> 3. Other:
> WGS72 / UTM northern hemisphere: 322zz where zz is UTM zone number
> WGS72 / UTM southern hemisphere: 323zz where zz is UTM zone number
> WGS72BE / UTM northern hemisphere: 324zz where zz is UTM zone number
> WGS72BE / UTM southern hemisphere: 325zz where zz is UTM zone number
> WGS84 / UTM northern hemisphere: 326zz where zz is UTM zone number
> WGS84 / UTM southern hemisphere: 327zz where zz is UTM zone number
> US State Plane (NAD27): 267xx/320xx
> US State Plane (NAD83): 269xx/321xx
> Values:
> PCS_Adindan_UTM_zone_37N = 20137
> PCS_Adindan_UTM_zone_38N = 20138
> PCS_AGD66_AMG_zone_48 = 20248
> PCS_AGD66_AMG_zone_49 = 20249
> PCS_AGD66_AMG_zone_50 = 20250
> PCS_AGD66_AMG_zone_51 = 20251
> PCS_AGD66_AMG_zone_52 = 20252
> PCS_AGD66_AMG_zone_53 = 20253
> PCS_AGD66_AMG_zone_54 = 20254
> PCS_AGD66_AMG_zone_55 = 20255
> PCS_AGD66_AMG_zone_56 = 20256
>
> ..etc..etc..etc...and...etc...

Is there an English translation somewhere. :-(

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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Re: create geotiff [message #56004 is a reply to message #56002] Wed, 26 September 2007 07:51 Go to previous message
Paul Van Delst[1] is currently offline  Paul Van Delst[1]
Messages: 1157
Registered: April 2002
Senior Member
David Fanning wrote:
> kBob writes:
>
>> All those values can be found in the "GeoTIFF Format
>> Specification" ...
>>
>> http://www.remotesensing.org/geotiff/spec/geotiffhome.html
>
> I guess what I meant was, what do those things in the spec mean!?
> For example:
>
> ProjectedCSTypeGeoKey: 32767, $ ; (user-defined)
>
> What the heck is Projected CS Type and why is it user-defined
> in this case? God knows I'd *try* to define it if I knew what
> the hell it was! :-)

Well, there's a rather exhaustive list of the various types at the mentioned site above.
Google can help explain the acronyms, e.g. CS == coordinate system (and there's a glossary
at the ned of the spec.)

http://www.remotesensing.org/geotiff/spec/geotiff6.html#6.3. 3.1

6.3.3.1 Projected CS Type Codes

Ranges:
[ 1, 1000] = Obsolete EPSG/POSC Projection System Codes
[20000, 32760] = EPSG Projection System codes
32767 = user-defined
[32768, 65535] = Private User Implementations
Special Ranges:
1. For PCS utilizing GeogCS with code in range 4201 through 4321: As far
as is possible the PCS code will be of the format gggzz where ggg is
(geodetic datum code -4000) and zz is zone.
2. For PCS utilizing GeogCS with code out of range 4201 through 4321
(i.e. geodetic datum code 6201 through 6319). PCS code 20xxx where
xxx is a sequential number.
3. Other:
WGS72 / UTM northern hemisphere: 322zz where zz is UTM zone number
WGS72 / UTM southern hemisphere: 323zz where zz is UTM zone number
WGS72BE / UTM northern hemisphere: 324zz where zz is UTM zone number
WGS72BE / UTM southern hemisphere: 325zz where zz is UTM zone number
WGS84 / UTM northern hemisphere: 326zz where zz is UTM zone number
WGS84 / UTM southern hemisphere: 327zz where zz is UTM zone number
US State Plane (NAD27): 267xx/320xx
US State Plane (NAD83): 269xx/321xx
Values:
PCS_Adindan_UTM_zone_37N = 20137
PCS_Adindan_UTM_zone_38N = 20138
PCS_AGD66_AMG_zone_48 = 20248
PCS_AGD66_AMG_zone_49 = 20249
PCS_AGD66_AMG_zone_50 = 20250
PCS_AGD66_AMG_zone_51 = 20251
PCS_AGD66_AMG_zone_52 = 20252
PCS_AGD66_AMG_zone_53 = 20253
PCS_AGD66_AMG_zone_54 = 20254
PCS_AGD66_AMG_zone_55 = 20255
PCS_AGD66_AMG_zone_56 = 20256

..etc..etc..etc...and...etc...

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Re: create geotiff [message #56007 is a reply to message #56004] Wed, 26 September 2007 07:42 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
kBob writes:

> All those values can be found in the "GeoTIFF Format
> Specification" ...
>
> http://www.remotesensing.org/geotiff/spec/geotiffhome.html

I guess what I meant was, what do those things in the spec mean!?
For example:

ProjectedCSTypeGeoKey: 32767, $ ; (user-defined)

What the heck is Projected CS Type and why is it user-defined
in this case? God knows I'd *try* to define it if I knew what
the hell it was! :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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Re: create geotiff [message #56010 is a reply to message #56007] Wed, 26 September 2007 07:27 Go to previous message
KRDean is currently offline  KRDean
Messages: 69
Registered: July 2006
Member
>
> Although it sort of begs the question of where those values
> come from. Maybe you know. :-)
>

All those values can be found in the "GeoTIFF Format
Specification" ...

http://www.remotesensing.org/geotiff/spec/geotiffhome.html

Kelly Dean
Fort Collins, CO

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Re: create geotiff [message #56026 is a reply to message #56010] Tue, 25 September 2007 11:43 Go to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
kerber_80@yahoo.com writes:

> can you help me with creating geoTIFF format.
> I have image and geographic data but i can't understand how geoTIFF
> created. what parameters is needed ???

This might help:

http://www.ittvis.com/services/techtip.asp?ttid=4034

Although it sort of begs the question of where those values
come from. Maybe you know. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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