File size: 4,962 Bytes
34e1f36 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | {
"id": "maya4-sar",
"dataset_version": "1.0.0",
"description": "Sentinel-1 SAR data with raw, range compression, RCMC, and azimuth compression levels",
"licenses": [
"CC-BY-4.0"
],
"providers": [
{
"name": "MAYA4 Project",
"roles": [
"producer"
],
"url": null,
"links": null
}
],
"tasks": [
"other"
],
"taco_version": "0.5.0",
"title": "MAYA4 SAR Processing Dataset",
"curators": null,
"keywords": [
"SAR",
"Sentinel-1",
"radar",
"complex",
"raw"
],
"extent": {
"spatial": [
-180.0,
-90.0,
180.0,
90.0
],
"temporal": null
},
"taco:pit_schema": {
"root": {
"n": 4,
"type": "FOLDER"
},
"hierarchy": {
"1": [
{
"n": 20,
"type": [
"FILE",
"FILE",
"FILE",
"FILE",
"FILE"
],
"id": [
"az",
"raw",
"rc",
"rcmc",
"pulses"
]
}
]
}
},
"taco:field_schema": {
"level0": [
[
"id",
"string",
"Unique sample identifier within parent scope. Must be unique among siblings."
],
[
"type",
"string",
"Sample type discriminator (FILE or FOLDER)."
],
[
"sar:polarization",
"string",
"Polarization mode (HH, VV, HV, VH)"
],
[
"sar:swath",
"string",
"Swath identifier"
],
[
"sar:orbit",
"uint32",
"Orbit number"
],
[
"sar:tx_ramp_rate",
"double",
"Transmit chirp ramp rate (Hz/s)"
],
[
"sar:tx_pulse_start_freq",
"double",
"Transmit pulse start frequency (Hz)"
],
[
"sar:tx_pulse_length",
"double",
"Transmit pulse length (s)"
],
[
"sar:pri",
"double",
"Pulse Repetition Interval (s)"
],
[
"internal:current_id",
"int64",
"Current sample position at this level (0-indexed). Enables O(1) random access and relational JOINs (ZIP, FOLDER, TACOCAT)."
],
[
"internal:parent_id",
"int64",
"Foreign key referencing parent sample position in previous level (ZIP, FOLDER, TACOCAT)."
]
],
"level1": [
[
"id",
"string",
"Unique sample identifier within parent scope. Must be unique among siblings."
],
[
"type",
"string",
"Sample type discriminator (FILE or FOLDER)."
],
[
"sar:compression_ratio",
"float",
"Compression ratio (raw/compressed)"
],
[
"sar:max_err",
"float",
"Maximum error from precision loss"
],
[
"sar:rmse",
"float",
"RMSE from complex128→complex64 conversion"
],
[
"sar:size_gb",
"float",
"Compressed TIFF size in GB"
],
[
"taco:header",
"binary",
"Binary TACOTIFF header (35 bytes + tile counts) for fast reading without IFD parsing"
],
[
"internal:current_id",
"int64",
"Current sample position at this level (0-indexed). Enables O(1) random access and relational JOINs (ZIP, FOLDER, TACOCAT)."
],
[
"internal:parent_id",
"int64",
"Foreign key referencing parent sample position in previous level (ZIP, FOLDER, TACOCAT)."
],
[
"internal:relative_path",
"string",
"Relative path from DATA/ directory. Format: {parent_path}/{id} or {id} for level0 (ZIP, FOLDER, TACOCAT)."
]
]
}
} |