svn-gvsig-desktop / tags / Root_v061 / libraries / libjni-ecw / include / NCSGeoTIFFBoxUtil.h @ 11717
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/********************************************************
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** Copyright 2004 Earth Resource Mapping Ltd.
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** This document contains proprietary source code of
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** Earth Resource Mapping Ltd, and can only be used under
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** one of the three licenses as described in the
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** license.txt file supplied with this distribution.
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** See separate license.txt file for license details
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** and conditions.
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**
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** This software is covered by US patent #6,442,298,
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** #6,102,897 and #6,633,688. Rights to use these patents
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** is included in the license agreements.
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**
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** FILE: $Archive: /NCS/Source/include/NCSGeoTIFFBoxUtil.h $
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** CREATED: 12/07/2004 3:27:34 PM
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** AUTHOR: Tom Lynch
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** PURPOSE: Static GeoTIFF file values for JPEG 2000 GeoTIFF UUID Box (GeoJP2)
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** GeoTIFF related #defines
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** Utility CNCSAffineTransform class definition
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** EDITS: [xx] ddMmmyy NAME COMMENTS
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** [01] 08Jul04 tfl Changes to write GeoJP2 headers correctly
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** [02] 03Aug04 tfl More GeoTIFF Box header changes
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** [03] 22Nov04 tfl Added photometric interpretation tag to GeoJP2 data to fix ERDAS load
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*******************************************************/
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#ifndef NCSGEOTIFFBOXUTIL_H
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#define NCSGEOTIFFBOXUTIL_H
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#define TIFF_BIGENDIAN_CODE 0x4949 //Two byte TIFF header codes flagging endianness |
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#define TIFF_LITTLEENDIAN_CODE 0x4d4d |
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#define TIFF_IDENTITY_CODE 0x2a //Further magic number identifying file as a TIFF (42) |
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#ifndef NCSECWCLIENT_H
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#include "NCSECWClient.h" //For NCSFileViewFileInfoEx |
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#endif
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#ifndef NCSJP2FILE_H
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#include "NCSJP2File.h" //For TIFFTag |
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#endif
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#ifndef ECW_MAX_PROJECTION_LEN
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#define ECW_MAX_PROJECTION_LEN 16 |
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#endif
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class CNCSAffineTransform |
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{
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public:
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IEEE8 fScaleX; |
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IEEE8 fScaleY; |
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IEEE8 fRotX; |
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IEEE8 fRotY; |
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IEEE8 fTransX; |
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IEEE8 fTransY; |
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CNCSAffineTransform(); |
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CNCSAffineTransform(IEEE4 fPrecision); |
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~CNCSAffineTransform(); |
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BOOLEAN GetFromFileInfoEx(NCSFileViewFileInfoEx &FileInfo); |
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BOOLEAN GetFromFileInfo(NCSFileViewFileInfo &FileInfo); |
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BOOLEAN GetFromGeoTIFFModelTransformationTag(CNCSJP2File::CNCSJP2PCSBox::TIFFTag *pTransformTag); |
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BOOLEAN PopulateFileInfoEx(NCSFileViewFileInfoEx &FileInfo); |
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BOOLEAN PopulateFileInfo(NCSFileViewFileInfo &FileInfo); |
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BOOLEAN IsValid(); |
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private:
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void Standardize();
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IEEE4 m_fPrecision; |
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}; |
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//This static array contains most of the default byte values in the GeoTIFF box
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static UINT8 GeoTIFFInitialData[] =
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{
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0xb1,0x4b,0xf8,0xbd,0x8,0x3d,0x4b,0x43,0xa5,0xae,0x8c,0xd7,0xd5,0xa6,0xce,0x3,//UUID |
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//GeoTIFF file header
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0x49,0x49,//TIFF_BIGENDIAN_CODE (little-endian in accordance with GeoJP2 spec) |
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0x2a,0x00,//TIFF_IDENTITY_CODE (42 little-endian) |
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0x08,0x00,0x00,0x00,//Offset of first IFD (8 bytes so follows on immediately) |
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//First IFD
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0x0c,0x00,//0x0b == 10 IFD entries |
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//Entry 0
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0x00,0x01,//TIFF tag value == 256, image width |
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0x03,0x00,//Type of field == 3, UINT16 |
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0x01,0x00,0x00,0x00,//Only one such value |
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0x01,0x00,0x00,0x00,//Width is 1 |
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//Entry 1
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0x01,0x01,//TIFF tag value == 257, image height (otherwise same as above) |
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0x03,0x00, |
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0x01,0x00,0x00,0x00, |
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0x01,0x00,0x00,0x00, |
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//Entry 2
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0x02,0x01,//TIFF tag value == 258, bits per sample |
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0x03,0x00,//Type is UINT16 again |
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0x01,0x00,0x00,0x00, |
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0x08,0x00,0x00,0x00,//8 bits for our single pixel |
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//Entry 3
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0x03,0x01,//TIFF tag value == 259, compression technique |
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0x03,0x00, |
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0x01,0x00,0x00,0x00, |
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0x01,0x00,0x00,0x00,//no compression used |
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//Entry 4
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0x06,0x01, //Photometric Interpretation [03] |
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0x03,0x00, //Type is SHORT |
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0x01,0x00,0x00,0x00, |
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0x01,0x00,0x00,0x00, //value 0x01 == BlackIsZero |
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//Entry 5
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0x11,0x01,//TIFF tag value == 273, strip offsets |
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0x04,0x00,//Type is UINT32 (TIFF_LONG) |
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0x01,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x00, |
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//Entry 6
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0x15,0x01,//TIFF tag value == 277, samples per pixel |
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0x03,0x00, |
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0x01,0x00,0x00,0x00, |
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0x01,0x00,0x00,0x00, |
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//Entry 7
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0x17,0x01,//TIFF tag value == 279, strip byte count |
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0x04,0x00, |
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0x01,0x00,0x00,0x00, |
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0x00,0x00,0x00,0x00, |
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//Entry 8
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0x1c,0x01,//TIFF tag value == 284, storage organisation |
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0x03,0x00, |
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0x01,0x00,0x00,0x00, |
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0x01,0x00,0x00,0x00, //single contiguous image plane |
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/*//Entry 8
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0x0e,0x83,//TIFF tag value == 33550, ModelPixelScaleTag
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0x0c,0x00,//Data type TIFF_DOUBLE, 64-bit floating point (IEEE8)
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0x03,0x00,0x00,0x00,//3 such values
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0x92,0x00,0x00,0x00,//value offset
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//Entry 9
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0x82,0x84,//TIFF tag value == 33922, ModelTiePointTag
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0x0c,0x00,//IEEE8 data type
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0x06,0x00,0x00,0x00,//6 values representing (XYZ)<-->(IJK)
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0xaa,0x00,0x00,0x00,//offset to values
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//Entry 10
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0xaf,0x87,//TIFF tag value == 34735, GeoKeyDirectoryTag
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0x03,0x00,
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0x10,0x00,0x00,0x00,//16 values
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0xda,0x00,0x00,0x00,
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//End of IFD entries
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0x00,0x00,//Presumably this is the pixel value
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//Offset here is 0x92 - pixel scale values
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x4e,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
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0x4e,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
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//Offset here is 0xaa - tie point values
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x40,0xe6,
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0x1a,0x41,0x00,0x00,0x00,0x00,0xcc,0x9e,
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0x4c,0x41,0x00,0x00,0x00,0x00,0x00,0x00,
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//Offset here is 0xda - GeoKeyDirectoryTag values
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0x00,0x00,
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0x01,0x00,
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0x01,0x00,
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0x00,0x00,
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0x03,0x00,
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0x00,0x04,
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0x00,0x00,
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0x01,0x00,
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0x01,0x00,
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0x01,0x04,
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0x00,0x00,
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0x01,0x00,
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0x01,0x00,
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0x00,0x0c,
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0x00,0x00,
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0x01,0x00,
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0x57,0x68*/
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}; |
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#endif
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