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Welcome to the
National Geodetic Survey’s
INTG PROGRAM
(INTerpolate from Geoid files).
Version: 3.12
Date(ccyy/mm/dd): 2011/05/02
(Hit RETURN to continue)
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DISCLAIMER
This program and supporting information is furnished by the government of
the United States of America, and is accepted/used by the recipient with
the understanding that the U. S. government makes no warranties, express or
implied, concerning the accuracy, completeness, reliability, or suitability
of this program, of its constituent parts, or of any supporting data.
The government of the United States of America shall be under no liability
whatsoever resulting from any use of this program. This program should
not be relied upon as the sole basis for solving a problem whose incorrect
solution could result in injury to person or property.
This program is the property of the government of the United States of
America. Therefore, the recipient further agrees not to assert proprietary
rights therein and not to represent this program to anyone as being other
than a government program.
(Hit RETURN to continue)
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The flag for bad data is ‘-999’ which will mostly appear if the input
latitude/longitude of a point falls outside of the borders of available files.
Note the longitude can be entered in either positive EAST or
as positive WEST.
Allowable formats for latitude and longitude, both keyboard and by file are:
1) Integer degrees 2) Decimal degrees
3) Int Deg & Integer Minutes 4) Int Deg & Decimal Minutes
5) Int Deg, Int Min, & Integer Sec 6) Int Deg, Int Min & Decimal Seconds
Space delimited values only. No commas.
Negative values are allowed, but only with the negative sign preceding
and touching degrees (i.e. -100 42 37.3)
(Hit RETURN to continue)
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Which geoid model do you wish to use?
1 = GEOID99 2 = G99SSS
3 = GEOID03 4 = USGG2003
5 = GEOID06 6 = USGG2009
7 = GEOID09
9 = Experimental Geoid (XUSHG)
99 = END PROGRAM
-> 7
What is the **FULL** directory name (including trailing slashes)
where the geoid (*.bin) files may be found?
(Unix Example: /export/home/geoid09/)
(PC Example: C:\GEOID09\)
Hit <RETURN> to default to this directory
-> F:\DATA\
*** Opening File: F:\DATA\g2009u01.bin
*** Opening File: F:\DATA\g2009u02.bin
*** Opening File: F:\DATA\g2009u03.bin
*** Opening File: F:\DATA\g2009u04.bin
*** Opening File: F:\DATA\g2009u05.bin
*** Opening File: F:\DATA\g2009u06.bin
*** Opening File: F:\DATA\g2009u07.bin
*** Opening File: F:\DATA\g2009u08.bin
*** Opening File: F:\DATA\g2009a01.bin
*** Opening File: F:\DATA\g2009a02.bin
*** Opening File: F:\DATA\g2009a03.bin
*** Opening File: F:\DATA\g2009a04.bin
*** Opening File: F:\DATA\g2009h01.bin
*** Opening File: F:\DATA\g2009g01.bin
*** Opening File: F:\DATA\g2009s01.bin
*** Opening File: F:\DATA\g2009p01.bin
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How would you like to input the data?
1 = By Keyboard (with prompts)
2 = By File (using allowed formats)
-> 2
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Which format will you use for input?
1 = File – Free Format (For Geoid) Type 1
2 = File – Free Format (For Geoid) Type 2
3 = File – NGS Blue Book Vol 1 (*80* and *86* records)
0 = End Program
99 = Please explain to me the formats
-> 1
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Which longitude convention will you use?
1 – Positive EAST
2 – Positive WEST
-> 1
Enter your input file name :
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