MODIS Reprojection Tool
User’s Manual
Release 4.0
February 2008
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Table of Contents
Table of Contents..............................................................................2
Introduction.......................................................................................4
MODIS Reprojection Tool Capabilities............................................5
MODIS Data Products...............................................................................5
Map Projections..........................................................................................5
ISIN-Enhanced GCTP...............................................................................5
Spectral subsetting......................................................................................5
Spatial subsetting........................................................................................5
Resampling..................................................................................................6
ISIN Shift.....................................................................................................6
Datum Conversions....................................................................................6
Output Pixel Size........................................................................................6
Data Types...................................................................................................7
File Formats................................................................................................7
Corner Coordinates....................................................................................7
3-Dimensional and 4-Dimensional Data Products...................................7
Format Conversion.....................................................................................7
Mosaic Tool.................................................................................................8
Platforms.....................................................................................................8
Interfaces.....................................................................................................8
MODIS Reprojection Tool Installation.............................................9
Automatic Installation..............................................................................10
Manual Installation..................................................................................13
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Adding a Shortcut Icon in Windows.......................................................15
Building the MRT.....................................................................................16
Parameter Files................................................................................19
Log File.............................................................................................20
Datum Conversions........................................................................20
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Bounding Tiles................................................................................22
Metadata...........................................................................................25
MODIS Reprojection Tool Command-Line Interface....................26
Command-Line Options..........................................................................27
MODIS Mosaic Tool Command-Line Interface..............................30
MODIS Reprojection Tool GUI........................................................32
Resampling................................................................................................32
Format Conversion...................................................................................42
Mosaic Tool...............................................................................................43
Setting Default Directories.......................................................................44
Credits..............................................................................................48
Contacts...........................................................................................48
Appendix A: MRT Parameter File Format....................................49
File naming conventions...........................................................................49
Parameter file format...............................................................................49
INPUT_FILENAME = input file name..............................................49
SPATIAL_SUBSET_UL_CORNER = ( UL_line UL_sample ) or
( UL_lat UL_lon ) or.........................................................................50
( UL_proj_x UL_proj_y ).................................................................50
SPATIAL_SUBSET_LR_CORNER = ( LR_line LR_sample ) or
( LR_lat LR_lon ) or.........................................................................50
( LR_proj_x LR_proj_y ).................................................................50
OUTPUT_FILENAME = output file name.......................................50
RESAMPLING_TYPE = type............................................................50
OUTPUT_PROJECTION_TYPE = type...........................................50
Editing parameter files.............................................................................51
Appendix B: MRT Raw Binary File Format...................................52
File naming conventions...........................................................................52
Header file format....................................................................................53
# Header file for
MOD09GHK.A2000072.h08v05.001.2000084105003.....................53
PROJECTION_TYPE = ISIN.............................................................53
Notes...........................................................................................................53
Editing header files...................................................................................54
Appendix C: Projection Parameters..............................................55
Appendix D: Overview of the MODIS Reprojection Tool
Resampling Process.......................................................................59
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