170 lines
No EOL
14 KiB
C
Executable file
170 lines
No EOL
14 KiB
C
Executable file
/*================================================================================================*\
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|| ||
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|| /$$$$$$$ /$$ /$$ /$$ /$$ ||
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|| | $$__ $$|__/ | $$ /$ | $$| $$ ||
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|| | $$ \ $$ /$$ /$$$$$$ | $$ /$$$| $$| $$$$$$$ /$$$$$$ /$$$$$$ /$$$$$$ ||
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|| | $$$$$$$ | $$ /$$__ $$ | $$/$$ $$ $$| $$__ $$ /$$__ $$ /$$__ $$ /$$__ $$ ||
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|| | $$__ $$| $$| $$ \ $$ | $$$$_ $$$$| $$ \ $$| $$ \ $$| $$ \ $$| $$ \ $$ ||
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|| | $$ \ $$| $$| $$ | $$ | $$$/ \ $$$| $$ | $$| $$ | $$| $$ | $$| $$ | $$ ||
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|| | $$$$$$$/| $$| $$$$$$$ | $$/ \ $$| $$ | $$| $$$$$$/| $$$$$$/| $$$$$$$/ ||
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|| |_______/ |__/ \____ $$ |__/ \__/|__/ |__/ \______/ \______/ | $$____/ ||
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|| /$$ \ $$ | $$ ||
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|| | $$$$$$/ | $$ ||
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|| \______/ |__/ ||
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|| ||
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|| DESCRIPTION: ||
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|| ------------ ||
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|| This file defines macros, structs and simple read and write functions used to ||
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|| access conforming eas3 datasets. ||
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|| -------------------------------------------------------------------------------------------- ||
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|| Copyright (c) 2023, High Performance Computing Center - University of Stuttgart ||
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|| ||
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|| Redistribution and use in source and binary forms, with or without modification, are ||
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|| permitted provided that the following conditions are met: ||
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|| ||
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|| (1) Redistributions of source code must retain the above copyright notice, this list of ||
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|| conditions and the following disclaimer. ||
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|| ||
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|| (2) Redistributions in binary form must reproduce the above copyright notice, this list ||
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|| of conditions and the following disclaimer in the documentation and/or other ||
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|| materials provided with the distribution. ||
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|| ||
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|| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS ||
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|| OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ||
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|| MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ||
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|| COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ||
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|| EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ||
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|| SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ||
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|| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR ||
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|| TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, ||
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|| EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ||
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\*================================================================================================*/
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#ifndef EAS3_H
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#define EAS3_H
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/************************************************************************************************\
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|| _ _ _ ____ _ _ _ ___ ____ ||
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|| | |\ | | | | | | \ |___ ||
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|| | | \| |___ |___ |__| |__/ |___ ||
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\************************************************************************************************/
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#include <stdio.h>
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#include "types.h"
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/************************************************************************************************\
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|| _ _ ____ ____ ____ ____ ____ ||
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|| |\/| |__| | |__/ | | [__ ||
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|| | | | | |___ | \ |__| ___] ||
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\************************************************************************************************/
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/*----------------------------------------------------------------------------------------------*\
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! !
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! DESCRIPTION: !
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! ------------ !
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! !
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! These macros define EAS3 header markers. For more information see: !
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! https://wiki.iag.uni-stuttgart.de/eas3wiki/index.php/Main_Page/de !
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! !
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\*----------------------------------------------------------------------------------------------*/
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#define EAS3_NO_ATTR 0x100000000000000 // No attributes present in the bitstream
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#define EAS3_ALL_ATTR 0x200000000000000 // All attributes present in the bitstream
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#define EAS2_TYPE 0x100000000000000 // EAS2 Datatype
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#define EAS3_TYPE 0x200000000000000 // EAS3 Datatype
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#define ATTRLEN 10 // Number of bytes defining an attribute
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#define UDEFLEN 20 // Number of bytes defining data
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#define EAS3_NO_G 0x100000000000000 // No geometry data present in bitstream
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#define EAS3_X0DX_G 0x200000000000000 // Start value & step size present
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#define EAS3_UDEF_G 0x300000000000000 // Number of grid points present
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#define EAS3_ALL_G 0x400000000000000 // Element for every appr. dim. present
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#define EAS3_FULL_G 0x500000000000000 // Element for every dimension present
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#define EAS3_NO_UDEF 0x100000000000000 // No user defined data present in bitstr
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#define EAS3_ALL_UDEF 0x200000000000000 // All user defined fields present
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#define EAS3_INT_UDEF 0x300000000000000 // User defined integer field present
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#define AUX_SIZE 0x8000 // Size of auxiliary information stream
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/************************************************************************************************\
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|| ___ _ _ ___ ____ ____ ||
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|| | \_/ |__] |___ [__ ||
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|| | | | |___ ___] ||
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\************************************************************************************************/
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/*----------------------------------------------------------------------------------------------*\
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! !
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! DESCRIPTION: !
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! ------------ !
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! !
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! This structure is used to store the standard eas3 header parameters. For a more !
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! thorough discussion of the eas3 datatype see: !
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! !
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! https://wiki.iag.uni-stuttgart.de/eas3wiki/index.php/EAS3_File_Format/de !
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! !
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\*----------------------------------------------------------------------------------------------*/
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typedef struct
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{
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uint64 file_type; // Identifier for EAS Type (EAS2/3)
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uint64 accuracy; // Accuracy of the eas3 file
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uint64 nzs; // Temporal dimension size
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uint64 npar; // No. parameters present in data-set
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uint64 ndim1; // 1st spatial dimension size
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uint64 ndim2; // 2nd spatial dimension size
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uint64 ndim3; // 3rd spatial dimension size
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uint64 attribute_mode; // Attribute of the eas3 file
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uint64 gmode_time; // Geometry mode for the temp. dimension
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uint64 gmode_param; // Geometry mode for the parameters
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uint64 gmode_dim1; // 1st spatial dimension geometry mode
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uint64 gmode_dim2; // 2nd spatial dimension geometry mode
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uint64 gmode_dim3; // 3rd spatial dimension geometry mode
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uint64 size_time; // Temporal dimension geometry array size
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uint64 size_parameter; // Geometry array size of parameters
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uint64 size_dim1; // 1st sptl. dimension geometry array size
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uint64 size_dim2; // 2nd sptl. dimension geometry array size
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uint64 size_dim3; // 3rd sptl. dimension geometry array size
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uint64 udef_param; // Signals user def. parameters present
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uint64 udef_char_size; // Size of user defined char. array
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uint64 udef_int_size; // Size of user defined int. array
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uint64 udef_real_size; // Size of user defined real array
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} eas3_std_params;
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/*----------------------------------------------------------------------------------------------*\
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! !
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! DESCRIPTION: !
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! ------------ !
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! !
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! This structure is used to store all the necessary parameters required to access !
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! parameters stored in an eas3 file. !
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! !
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\*----------------------------------------------------------------------------------------------*/
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typedef struct
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{
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uint64 *offset; // Offset of a parameter in a eas3 file
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} eas3_file_util;
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/************************************************************************************************\
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|| ___ _ _ ___ _ _ ____ ____ _ _ _ _ ____ ___ _ ____ _ _ ____ ||
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|| |__] | | |__] | | | |___ | | |\ | | | | | | |\ | [__ ||
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|| | |__| |__] |___ | |___ | |__| | \| |___ | | |__| | \| ___] ||
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\************************************************************************************************/
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uchar open_eas3 (bwc_field *const field,
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char const *const filename,
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char const *mode);
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//==========|==========================|======================|======|=======|====================
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uchar load_eas3 (bwc_field *const field,
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char const *const filename);
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//==========|==========================|======================|======|=======|====================
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uchar unload_eas3 (bwc_field *const field,
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char const *const filename);
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#endif |