/**********************************************************************
 * $Id: pgraster_const.c 2007-07-15 Xing $
 *
 * PostGIS - Spatial Types for PostgreSQL
 * http://postgis.refractions.net
 * Copyright 2001-2003 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of hte GNU General Public Licence. See the COPYING file.
 * 
 **********************************************************************
 *
 * File Name: 		pgraster_const.c
 *
 * Author: 			Xing Lin, solo.lin@gmail.com
 *
 * Create Date: 	2007-07-15
 *
 * Description: 	This file will include the definition of const that 
 * 					will be used in the database to store PGRaster data.
 *
 * Original Author: Xing Lin, solo.lin@gmail.com
 *
 * Maintainer: Xing Lin, solo.lin@gmail.com
 *
 * Last Update: 	2007-07-15
 *
 **********************************************************************/

#ifndef _PGRASTER_CONST

#define _PGRASTER_CONST 1

/* DEFINITION OF BANDTYPE */
typedef enum _BandType
{
	BT_UNKNOWN 	= 	-1, 	// UNKNOWN Band Type (uninitialized code)
	BT_SINGLE 	= 	0, 		// Single Band Type
	BT_RGB 		= 	1, 		// RGB Image Band Type
	BT_RGBA 	= 	2, 		// RGBA Image Band Type
	BT_MULTI 	= 	3, 		// Multi-spectral Band Type
	BT_OTHERS 	= 	4 		// Other Band Type (error code)
} PGRasterBandType;

/* DEFINITION OF DATA TYPE */
typedef enum _DataType
{
	DT_UNKNOWN 		= 	-1, 	// Unknown Data Type
	DT_1BIT 		= 	0, 		// 1 Bit Boolean Data Type
    DT_2BIT 		= 	1,  	// 2 Bit Unsigned Integer Data Type
    DT_4BIT 		= 	2, 	 	// 4 Bit Unsigned Integer Data Type
    DT_8BIT_U 		= 	3, 		// 8 Bit Unsigned Integer Data Type
    DT_8BIT_S 		= 	4, 		// 8 Bit Signed Integer Data Type
    DT_16BIT_U 		= 	5,  	// 16 Bit Unsigned Integer Data Type
    DT_16BIT_S 		= 	6,  	// 16 Bit Signed Integer Data Type
    DT_32BIT_U 		= 	7, 		// 32 Bit Unsigned Integer Data Type 
    DT_32BIT_S 		= 	8, 		// 32 Bit Signed Integer Data Type 
    DT_24BIT_RGB 	= 	9, 		// 24 Bit Image Color Data Type (RGB)
    DT_32BIT_RGBA 	= 	10,		// 32 Bit Image Color Data Type (RGBA)
    DT_32BIT_REAL 	= 	11, 	// 32 BIT Real/Single Floating Point Data Type
	DT_64BIT_REAL 	= 	12  	// 64 BIT Real/Double Floating Point Data Type
}PGRasterDataType;

/* DEFINITION OF VALUE TYPE */
typedef enum _ValueType
{
	VT_NOTHING 		= 	-1, // Unknown Value Type
	VT_NOMINAL 		= 	0, 	// Nominal Value Type
    VT_ORDINAL 		= 	1, 	// Ordinal Value Type
    VT_INTERVAL 	= 	2, 	// Interval Value Type
    VT_RATIO 		= 	3, 	// Ratio Value Type
    VT_IMAGE  		= 	4 	// Image Value Type
}PGRasterValueType;

/* DEFINITION OF BANDINTERLEAVING TYPE*/
typedef enum _BandInterLeavingType
{
	BI_UNKNOWN 	= 	-1, 	// Unknown Band Interleaving Type 
	BI_BSQ 		= 	0, 		// BSQ Band Interleaving Type
	BI_BIL 		= 	1,  	// BIL Band Interleaving Type
	BI_BIP 		= 	2 		// BIP Band Interleaving Type
}PGBandInterleavingType;

/* DEFINITION OF COMPRESSION TYPE */
typedef enum _CompressionType
{
	CT_UNKNOWN 	= 	-1, 	// Unknow Data Compression Type
	CT_JPEG_B 	= 	0, 		// JPEG-B Data Compression Type
	CT_JPEG_F3 	= 	1, 		// JPEG-F3 Data Compression Type (JPEG Image compression)
	CT_JPEG_F4  = 	2, 		// JPEG-F4 Data Compression Type
	CT_LZW 		= 	3, 		// LZW/LZ77 Lossless Compressio Type
	CT_DEFLATE  = 	4, 		// LZW/LZ77 Lossless Compressio Type
	CT_NONE 	= 	5 		// No-Compression/Flat Data
}PGRasterCompressionType;

#endif