-
13.46%
Rate
-
21
Hits
-
135
Missed
- 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
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- 191
- 192
- 193
- 194
- 195
- 196
- 197
- 198
- 199
- 200
- 201
- 202
- 203
- 204
- 205
- 206
- 207
- 208
- 209
- 210
- 211
- 212
- 213
- 214
- 215
- 216
- 217
- 218
- 219
- 220
- 221
- 222
- 223
- 224
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- 234
- 235
- 236
- 237
- 238
- 239
- 240
- 241
- 242
- 243
- 244
- 245
- 246
- 247
- 248
- 249
- 250
- 251
- 252
- 253
- 254
- 255
- 256
- 257
- 258
- 259
- 260
- 261
- 262
- 263
- 264
- 265
- 266
- 267
- 268
- 269
- 270
- 271
- 272
- 273
- 274
- 275
- 276
- 277
- 278
- 279
- 280
- 281
- 282
- 283
- 284
- 285
- 286
- 287
- 288
- 289
- 290
-
-
-
-
-
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
- 1x
-
- 1x
-
-
-
-
-
-
-
-
- 1x
-
- 1x
- 1x
- 1x
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 1x
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 1x
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 1x
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 1x
-
-
-
-
-
-
- 1x
- -------------------------------------------------------------------------------
- -- Earth geometry for PUMAS
- -- Author: Valentin Niess
- -- License: GNU LGPL-3.0
- -------------------------------------------------------------------------------
- local ffi = require('ffi')
- local call = require('pumas.call')
- local clib = require('pumas.clib')
- local compat = require('pumas.compat')
- local error = require('pumas.error')
- local base = require('pumas.geometry.base')
- local readonly = require('pumas.readonly')
- local layer_ = require('pumas.geometry.layer')
- local topography = require('pumas.geometry.topography')
- local uniform = require('pumas.medium.uniform')
- local metatype = require('pumas.metatype')
-
- local earth = {}
-
-
- -- XXX Add a geoid metatype / interface ?
-
-
- -------------------------------------------------------------------------------
- -- The Earth geometry metatype
- -------------------------------------------------------------------------------
- local EarthGeometry = {}
-
- local ctype = ffi.typeof('struct pumas_geometry_earth')
- local ctype_ptr = ffi.typeof('struct pumas_geometry_earth *')
- local pumas_geometry_ptr = ffi.typeof('struct pumas_geometry *')
-
-
- local function new (self)
- local c = ffi.cast(ctype_ptr, ffi.C.calloc(1, ffi.sizeof(ctype)))
-
- c.base.get = clib.pumas_geometry_earth_get
- c.base.reset = clib.pumas_geometry_earth_reset
- c.base.destroy = clib.pumas_geometry_earth_destroy
- c.media = self._media
- local layers = readonly.rawget(self.layers)
- c.n_layers = #layers
-
- call(clib.turtle_stepper_create, c.stepper)
-
- if self._geoid_undulations then
- clib.turtle_stepper_geoid_set(c.stepper[0], self._geoid_undulations._c)
- end
-
- for i = #layers, 1, -1 do
- local data = layers[i].data
-
- if i < #layers then
- call(clib.turtle_stepper_add_layer, c.stepper[0])
- end
-
- for j = #data, 1, -1 do
- local datum = data[j]
- if datum._elevation then
- call(datum._stepper_add, c.stepper[0], datum._c, datum.offset)
- else
- call(datum._stepper_add, c.stepper[0], datum.offset)
- end
- end
- end
-
- c.magnet.workspace[0] = nil
- if self._magnet then
- local date = self._date or '01/01/2021'
- local matches = {}
- for match in date:gmatch('(%d+)/*') do
- table.insert(matches, tonumber(match))
- end
-
- local magnet
- if self._magnet == true then
- magnet = os.tmpname()
- local f = io.open(magnet, 'a+')
- f:write(require('pumas.data.igrf13'))
- f:close()
- else
- magnet = self._magnet
- end
-
- local errmsg = call.protected(
- ffi.C.gull_snapshot_create, c.magnet.snapshot, magnet,
- matches[1], matches[2], matches[3])
- if self._magnet == true then os.remove(magnet) end
- if errmsg then
- error.raise{
- fname = 'EarthGeometry.new',
- description = errmsg
- }
- end
-
- c.base.magnet = clib.pumas_geometry_earth_magnet
- else
- c.magnet.snapshot[0] = nil
- end
-
- return ffi.cast(pumas_geometry_ptr, c)
- end
-
-
- function EarthGeometry:__index (k)
- if k == 'date' then
- return self._date
- elseif k == 'geoid_undulations' then
- return self._geoid_undulations
- elseif k == 'magnet' then
- return self._magnet
- elseif k == '_new' then
- return new
- else
- return base.BaseGeometry.__index[k]
- end
- end
-
-
- function EarthGeometry:__newindex (k, v)
- if (k == 'magnet') or (k == 'date') or (k == 'geoid_undulations') then
- local key = '_'..k
- if v == rawget(self, key) then return end
-
- local mt, expected = metatype(v)
- if k == 'date' then
- if (mt ~= 'string') and (mt ~= 'nil') then
- expected = 'a string or nil'
- end
- elseif k == 'magnet' then
- if (mt ~= 'string') and (mt ~= 'nil') and (mt ~= 'boolean') then
- expected = 'a boolean, a string or nil'
- end
- else
- if (mt ~= 'string') and (mt ~= 'nil') and
- (mt ~= 'TopographyData') then
- expected = 'a TopographyData table, a string or nil'
- end
- end
-
- if expected then
- error.raise{
- fname = k,
- expected = expected,
- got = metatype.a(v)
- }
- end
-
- if k == 'geoid_undulations' then
- local undulations
- if metatype(v) == 'TopographyData' then
- undulations = v
- else
- undulations = topography.TopographyData(v)
- end
-
- if not ffi.istype('struct turtle_map *', undulations._c) then
- error.raise{
- fname = k,
- description = 'invalid TopographyData format'
- }
- end
- v = undulations
- end
-
- rawset(self, key, v)
- self:_invalidate()
- else
- error.raise{
- ['type'] = 'EarthGeometry',
- bad_member = k
- }
- end
- end
-
-
- -------------------------------------------------------------------------------
- -- The Earth geometry constructor
- -------------------------------------------------------------------------------
- do
- local raise_error = error.ErrorFunction{fname = 'EarthGeometry'}
-
- local function new_ (cls, ...)
- local nargs = select('#', ...)
- if nargs == 0 then
- raise_error{argnum = 'bad', expected = '1 or more', got = 0}
- end
-
- local self = base.BaseGeometry:new()
- local layers = compat.table_new(nargs, 0)
- local ilayer = 0
- local magnet, date, geoid_undulations
-
- local function add(args, index)
- for i, arg in ipairs(args) do
- if metatype(arg) == 'table' then
- if arg.magnet then magnet = arg.magnet end
- if arg.date then date = arg.date end
- if arg.geoid_undulations then
- geoid_undulations = arg.geoid_undulations
- end
- end
-
- local medium, data = arg.medium, arg.data
- if (not medium) and (not data) and type(arg) == 'table' then
- add(arg, index or i)
- else
- do
- local mt = metatype(medium)
- if mt == 'string' then
- medium = uniform.UniformMedium(medium)
- elseif (mt ~= 'Medium') and (mt ~= 'nil') then
- raise_error{argnum = (index or i)..' (medium)',
- expected = 'a Medium table or nil',
- got = metatype.a(medium)}
- end
- end
-
- if not data then
- raise_error{argnum = (index or i)..' (data)',
- expected = 'a TopographyData(set) table',
- got = metatype.a(data)}
- end
-
- local mt = metatype(data)
- if (mt ~= 'table') and (mt ~= 'TopographyDataset') then
- data = {data}
- end
-
- if mt == 'TopographyDataset' then
- data = data:clone()
- else
- for j, datum in ipairs(data) do
- local mt_ = metatype(datum)
- if (mt_ == 'string') or (mt_ == 'number') then
- data[j] = topography.TopographyData(datum)
- elseif mt_ ~= 'TopographyData' then
- raise_error{argnum = (index or i)..' (data)',
- expected = 'a TopographyData table, \z
- a number or a string',
- got = metatype.a(data)}
- end
- end
- data = topography.TopographyDataset(data)
- end
-
- for _, datum in data:ipairs() do
- rawset(datum, '_geometry', self)
- end
-
- ilayer = ilayer + 1
- layers[ilayer] = layer_.TopographyLayer(medium, data)
- end
- end
- end
-
- add{...}
-
- -- XXX Provide elevation and frame methods?
-
- local pumas_medium_ptr = ffi.typeof('struct pumas_medium *')
- local pumas_medium_ptrarr = ffi.typeof('struct pumas_medium **')
- local size = ffi.sizeof(pumas_medium_ptr)
- local media = ffi.cast(pumas_medium_ptrarr, ffi.C.calloc(#layers, size))
- ffi.gc(media, ffi.C.free)
- for i, layer in ipairs(layers) do
- if layer.medium ~= nil then
- media[#layers - i] = ffi.cast(pumas_medium_ptr, layer.medium._c)
- end
- end
-
- self._media = media
- self.layers = readonly.Readonly(layers)
-
- self = setmetatable(self, cls)
- self.magnet = magnet
- self.date = date
- self.geoid_undulations = geoid_undulations
-
- return self
- end
-
- earth.EarthGeometry = setmetatable(EarthGeometry, {__call = new_})
- end
-
-
- -------------------------------------------------------------------------------
- -- Return the package
- -------------------------------------------------------------------------------
- return earth