1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/******************************************************************************
*
* Project: ASI CEOS Translator
* Purpose: Functions related to CeosSARVolume_t.
* Author: Paul Lahaie, pjlahaie@atlsci.com
*
******************************************************************************
* Copyright (c) 2000, Atlantis Scientific Inc
*
* SPDX-License-Identifier: MIT
****************************************************************************/
#include "ceos.h"
extern Link_t *RecipeFunctions;
void InitCeosSARVolume(CeosSARVolume_t *volume, int32 file_name_convention)
{
volume->Flavor = volume->Sensor = volume->ProductType = 0;
volume->FileNamingConvention = file_name_convention;
volume->VolumeDirectoryFile = volume->SARLeaderFile =
volume->SARTrailerFile = volume->NullVolumeDirectoryFile =
volume->ImageDesc.ImageDescValid = FALSE;
volume->RecordList = NULL;
}
void CalcCeosSARImageFilePosition(CeosSARVolume_t *volume, int channel,
int line, int *record, int *file_offset)
{
struct CeosSARImageDesc *ImageDesc;
int TotalRecords = 0, TotalBytes = 0;
if (record)
*record = 0;
if (file_offset)
*file_offset = 0;
if (volume)
{
if (volume->ImageDesc.ImageDescValid)
{
ImageDesc = &(volume->ImageDesc);
switch (ImageDesc->ChannelInterleaving)
{
case CEOS_IL_PIXEL:
TotalRecords = (line - 1) * ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * (ImageDesc->BytesPerRecord);
break;
case CEOS_IL_LINE:
TotalRecords =
(ImageDesc->NumChannels * (line - 1) + (channel - 1)) *
ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * (ImageDesc->BytesPerRecord);
break;
case CEOS_IL_BAND:
TotalRecords = (((channel - 1) * ImageDesc->Lines) *
ImageDesc->RecordsPerLine) +
(line - 1) * ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * (ImageDesc->BytesPerRecord);
break;
}
if (file_offset)
*file_offset = ImageDesc->FileDescriptorLength + TotalBytes;
if (record)
*record = TotalRecords + 1;
}
}
}
int32 GetCeosSARImageData(CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *processed_data_record,
CPL_UNUSED int channel, CPL_UNUSED int xoff,
CPL_UNUSED int xsize, CPL_UNUSED int bufsize,
CPL_UNUSED uchar *buffer)
{
return 0;
}
void DetermineCeosSARPixelOrder(CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *record)
{
}
void GetCeosSAREmbeddedInfo(CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *processed_data_record,
CPL_UNUSED CeosSAREmbeddedInfo_t *info)
{
}
void DeleteCeosSARVolume(CeosSARVolume_t *volume)
{
Link_t *Links;
if (volume)
{
if (volume->RecordList)
{
for (Links = volume->RecordList; Links != NULL; Links = Links->next)
{
if (Links->object)
{
DeleteCeosRecord(Links->object);
Links->object = NULL;
}
}
DestroyList(volume->RecordList);
}
HFree(volume);
}
}
|
