/src/gdal/frmts/envisat/adsrange.hpp
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1 | | /****************************************************************************** |
2 | | * Project: APP ENVISAT Support |
3 | | * Purpose: Detect range of ADS records matching the MDS records |
4 | | * Author: Martin Paces, martin.paces@eox.at |
5 | | * |
6 | | ****************************************************************************** |
7 | | * Copyright (c) 2013, EOX IT Services, GmbH |
8 | | * |
9 | | * SPDX-License-Identifier: MIT |
10 | | *****************************************************************************/ |
11 | | |
12 | | #ifndef adsrange_hpp |
13 | | #define adsrange_hpp |
14 | | |
15 | | #include "cpl_string.h" |
16 | | |
17 | | CPL_C_START |
18 | | #include "EnvisatFile.h" |
19 | | CPL_C_END |
20 | | #include "records.h" |
21 | | |
22 | | #include "timedelta.hpp" |
23 | | |
24 | | /* -------------------------------------------------------------------- */ |
25 | | /* |
26 | | * class ADSRange |
27 | | * |
28 | | * Range of ADS record matching the range of the MDS records. |
29 | | * |
30 | | */ |
31 | | |
32 | | class ADSRange |
33 | | { |
34 | | protected: |
35 | | int idx_first; /* index of the first matched ADSR */ |
36 | | int idx_last; /* index of the last matched ADSR */ |
37 | | int off_first; /* num. of lines from 1st matched ADSR to 1st MDSR */ |
38 | | int off_last; /* num. of lines from last MDSR to last matched ADSR*/ |
39 | | |
40 | | TimeDelta mjd_first; /* MDJ time of the first matched ADS record */ |
41 | | TimeDelta mjd_last; /* MDJ time of the last matched ADS record */ |
42 | | TimeDelta mjd_m_first; /* MDJ time of the first MDS record */ |
43 | | TimeDelta mjd_m_last; /* MDJ time of the last MDS record */ |
44 | | |
45 | | public: |
46 | | /* CONSTRUCTOR */ |
47 | | ADSRange() |
48 | 0 | : idx_first(0), idx_last(0), off_first(0), off_last(0), mjd_first(0), |
49 | 0 | mjd_last(0), mjd_m_first(0), mjd_m_last(0) |
50 | 0 | { |
51 | 0 | } |
52 | | |
53 | | ADSRange(const int idx_firstIn, const int idx_lastIn, const int off_firstIn, |
54 | | const int off_lastIn, const TimeDelta &mjd_firstIn, |
55 | | const TimeDelta &mjd_lastIn, const TimeDelta &mjd_m_firstIn, |
56 | | const TimeDelta &mjd_m_lastIn) |
57 | | : idx_first(idx_firstIn), idx_last(idx_lastIn), off_first(off_firstIn), |
58 | | off_last(off_lastIn), mjd_first(mjd_firstIn), mjd_last(mjd_lastIn), |
59 | | mjd_m_first(mjd_m_firstIn), mjd_m_last(mjd_m_lastIn) |
60 | 0 | { |
61 | 0 | } |
62 | | |
63 | | /* get count of matched records */ |
64 | | inline int getDSRCount(void) const |
65 | 0 | { |
66 | 0 | return (idx_last - idx_first + 1); |
67 | 0 | } |
68 | | |
69 | | /* GETTERS */ |
70 | | |
71 | | /* get index of the first matched ADS record */ |
72 | | inline int getFirstIndex(void) const |
73 | 0 | { |
74 | 0 | return this->idx_first; |
75 | 0 | } |
76 | | |
77 | | /* get index of the last matched ADS record */ |
78 | | inline int getLastIndex(void) const |
79 | 0 | { |
80 | 0 | return this->idx_last; |
81 | 0 | } |
82 | | |
83 | | /* get offset of the first matched ADS record */ |
84 | | inline int getFirstOffset(void) const |
85 | 0 | { |
86 | 0 | return this->off_first; |
87 | 0 | } |
88 | | |
89 | | /* get offset of the last matched ADS record */ |
90 | | inline int getLastOffset(void) const |
91 | 0 | { |
92 | 0 | return this->off_last; |
93 | 0 | } |
94 | | |
95 | | /* get MJD time of the first matched ADS record */ |
96 | | inline TimeDelta getFirstTime(void) const |
97 | 0 | { |
98 | 0 | return this->mjd_first; |
99 | 0 | } |
100 | | |
101 | | /* get MJD time of the last matched ADS record */ |
102 | | inline TimeDelta getLastTime(void) const |
103 | 0 | { |
104 | 0 | return this->mjd_last; |
105 | 0 | } |
106 | | |
107 | | /* get MJD time of the first MDS record */ |
108 | | inline TimeDelta getMDSRFirstTime(void) const |
109 | 0 | { |
110 | 0 | return this->mjd_m_first; |
111 | 0 | } |
112 | | |
113 | | /* get MJD time of the last MDS record */ |
114 | | inline TimeDelta getMDSRLastTime(void) const |
115 | 0 | { |
116 | 0 | return this->mjd_m_last; |
117 | 0 | } |
118 | | }; |
119 | | |
120 | | /* -------------------------------------------------------------------- */ |
121 | | /* |
122 | | * NOTE: There are two kinds of ADS records: |
123 | | * |
124 | | * 1) One ADS record applicable to all consequent MDS records until replaced |
125 | | * by another ADS record, i.e., last MDS records does no need to be |
126 | | * followed by an ADS record. |
127 | | * |
128 | | * 2) Two ADS records applicable to all MDS records between them |
129 | | * (e.g., tiepoints ADS), i.e., last MDS record should be followed |
130 | | * by an ADS record having the same or later time-stamp. |
131 | | * |
132 | | * The type of the ADS affects the way how the ADS records corresponding |
133 | | * to a set of MDS records should be selected. |
134 | | */ |
135 | | |
136 | | class ADSRangeLastAfter : public ADSRange |
137 | | { |
138 | | |
139 | | public: |
140 | | /* CONSTRUCTOR */ |
141 | | ADSRangeLastAfter(EnvisatFile &envfile, int ads_idx, int mds_idx, |
142 | | const TimeDelta &line_interval); |
143 | | }; |
144 | | |
145 | | #endif /*tiepointrange_hpp*/ |