Spectra-coerce: Conversion between 'Spectra' and data.frame objects
In geoSpectral: Classes and Methods for Working with Spectral Data with Space-Time Attributes
Description
Arguments
Examples
Description
Converting Spectra object to data.frame is straightforward
while the conversion in the opposite direction requires a set of attributes
to be present in the source data.frame object.
These attributes are generally created during the conversion of a
Spectra object into data.frame, they can
also be manually set if they are non-existant (see the example below).
Arguments
from
The input object
to
Name of the class of output object
Examples
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
#Convert a Spectra object to data.frame
sp <- spc.example_spectra()
df <- as(sp, "data.frame")
class(df); dim(df)
attributes(df)
#Convert the data.frame back to Spectra
sp2 <- as(df, "Spectra")
#Convert a bare data.frame to Spectra with minimal attributes
df2 <- data.frame(ch1=c(1,2,3,4), ch2=c(5,6,7,8), TIME=Sys.time()+1:4, LAT=1:4, LON=5:8)
attr(df2, "Units") <- "m-1"
attr(df2, "Wavelengths") <- c(500, 600)
attr(df2, "ShortName") <- "abs"
as(df2, "Spectra")
Example output
Registered S3 method overwritten by 'pryr':
method from
print.bytes Rcpp
[1] "data.frame"
[1] 26 516
$names
[1] "anap_300" "anap_301" "anap_302" "anap_303" "anap_304" "anap_305"
[7] "anap_306" "anap_307" "anap_308" "anap_309" "anap_310" "anap_311"
[13] "anap_312" "anap_313" "anap_314" "anap_315" "anap_316" "anap_317"
[19] "anap_318" "anap_319" "anap_320" "anap_321" "anap_322" "anap_323"
[25] "anap_324" "anap_325" "anap_326" "anap_327" "anap_328" "anap_329"
[31] "anap_330" "anap_331" "anap_332" "anap_333" "anap_334" "anap_335"
[37] "anap_336" "anap_337" "anap_338" "anap_339" "anap_340" "anap_341"
[43] "anap_342" "anap_343" "anap_344" "anap_345" "anap_346" "anap_347"
[49] "anap_348" "anap_349" "anap_350" "anap_351" "anap_352" "anap_353"
[55] "anap_354" "anap_355" "anap_356" "anap_357" "anap_358" "anap_359"
[61] "anap_360" "anap_361" "anap_362" "anap_363" "anap_364" "anap_365"
[67] "anap_366" "anap_367" "anap_368" "anap_369" "anap_370" "anap_371"
[73] "anap_372" "anap_373" "anap_374" "anap_375" "anap_376" "anap_377"
[79] "anap_378" "anap_379" "anap_380" "anap_381" "anap_382" "anap_383"
[85] "anap_384" "anap_385" "anap_386" "anap_387" "anap_388" "anap_389"
[91] "anap_390" "anap_391" "anap_392" "anap_393" "anap_394" "anap_395"
[97] "anap_396" "anap_397" "anap_398" "anap_399" "anap_400" "anap_401"
[103] "anap_402" "anap_403" "anap_404" "anap_405" "anap_406" "anap_407"
[109] "anap_408" "anap_409" "anap_410" "anap_411" "anap_412" "anap_413"
[115] "anap_414" "anap_415" "anap_416" "anap_417" "anap_418" "anap_419"
[121] "anap_420" "anap_421" "anap_422" "anap_423" "anap_424" "anap_425"
[127] "anap_426" "anap_427" "anap_428" "anap_429" "anap_430" "anap_431"
[133] "anap_432" "anap_433" "anap_434" "anap_435" "anap_436" "anap_437"
[139] "anap_438" "anap_439" "anap_440" "anap_441" "anap_442" "anap_443"
[145] "anap_444" "anap_445" "anap_446" "anap_447" "anap_448" "anap_449"
[151] "anap_450" "anap_451" "anap_452" "anap_453" "anap_454" "anap_455"
[157] "anap_456" "anap_457" "anap_458" "anap_459" "anap_460" "anap_461"
[163] "anap_462" "anap_463" "anap_464" "anap_465" "anap_466" "anap_467"
[169] "anap_468" "anap_469" "anap_470" "anap_471" "anap_472" "anap_473"
[175] "anap_474" "anap_475" "anap_476" "anap_477" "anap_478" "anap_479"
[181] "anap_480" "anap_481" "anap_482" "anap_483" "anap_484" "anap_485"
[187] "anap_486" "anap_487" "anap_488" "anap_489" "anap_490" "anap_491"
[193] "anap_492" "anap_493" "anap_494" "anap_495" "anap_496" "anap_497"
[199] "anap_498" "anap_499" "anap_500" "anap_501" "anap_502" "anap_503"
[205] "anap_504" "anap_505" "anap_506" "anap_507" "anap_508" "anap_509"
[211] "anap_510" "anap_511" "anap_512" "anap_513" "anap_514" "anap_515"
[217] "anap_516" "anap_517" "anap_518" "anap_519" "anap_520" "anap_521"
[223] "anap_522" "anap_523" "anap_524" "anap_525" "anap_526" "anap_527"
[229] "anap_528" "anap_529" "anap_530" "anap_531" "anap_532" "anap_533"
[235] "anap_534" "anap_535" "anap_536" "anap_537" "anap_538" "anap_539"
[241] "anap_540" "anap_541" "anap_542" "anap_543" "anap_544" "anap_545"
[247] "anap_546" "anap_547" "anap_548" "anap_549" "anap_550" "anap_551"
[253] "anap_552" "anap_553" "anap_554" "anap_555" "anap_556" "anap_557"
[259] "anap_558" "anap_559" "anap_560" "anap_561" "anap_562" "anap_563"
[265] "anap_564" "anap_565" "anap_566" "anap_567" "anap_568" "anap_569"
[271] "anap_570" "anap_571" "anap_572" "anap_573" "anap_574" "anap_575"
[277] "anap_576" "anap_577" "anap_578" "anap_579" "anap_580" "anap_581"
[283] "anap_582" "anap_583" "anap_584" "anap_585" "anap_586" "anap_587"
[289] "anap_588" "anap_589" "anap_590" "anap_591" "anap_592" "anap_593"
[295] "anap_594" "anap_595" "anap_596" "anap_597" "anap_598" "anap_599"
[301] "anap_600" "anap_601" "anap_602" "anap_603" "anap_604" "anap_605"
[307] "anap_606" "anap_607" "anap_608" "anap_609" "anap_610" "anap_611"
[313] "anap_612" "anap_613" "anap_614" "anap_615" "anap_616" "anap_617"
[319] "anap_618" "anap_619" "anap_620" "anap_621" "anap_622" "anap_623"
[325] "anap_624" "anap_625" "anap_626" "anap_627" "anap_628" "anap_629"
[331] "anap_630" "anap_631" "anap_632" "anap_633" "anap_634" "anap_635"
[337] "anap_636" "anap_637" "anap_638" "anap_639" "anap_640" "anap_641"
[343] "anap_642" "anap_643" "anap_644" "anap_645" "anap_646" "anap_647"
[349] "anap_648" "anap_649" "anap_650" "anap_651" "anap_652" "anap_653"
[355] "anap_654" "anap_655" "anap_656" "anap_657" "anap_658" "anap_659"
[361] "anap_660" "anap_661" "anap_662" "anap_663" "anap_664" "anap_665"
[367] "anap_666" "anap_667" "anap_668" "anap_669" "anap_670" "anap_671"
[373] "anap_672" "anap_673" "anap_674" "anap_675" "anap_676" "anap_677"
[379] "anap_678" "anap_679" "anap_680" "anap_681" "anap_682" "anap_683"
[385] "anap_684" "anap_685" "anap_686" "anap_687" "anap_688" "anap_689"
[391] "anap_690" "anap_691" "anap_692" "anap_693" "anap_694" "anap_695"
[397] "anap_696" "anap_697" "anap_698" "anap_699" "anap_700" "anap_701"
[403] "anap_702" "anap_703" "anap_704" "anap_705" "anap_706" "anap_707"
[409] "anap_708" "anap_709" "anap_710" "anap_711" "anap_712" "anap_713"
[415] "anap_714" "anap_715" "anap_716" "anap_717" "anap_718" "anap_719"
[421] "anap_720" "anap_721" "anap_722" "anap_723" "anap_724" "anap_725"
[427] "anap_726" "anap_727" "anap_728" "anap_729" "anap_730" "anap_731"
[433] "anap_732" "anap_733" "anap_734" "anap_735" "anap_736" "anap_737"
[439] "anap_738" "anap_739" "anap_740" "anap_741" "anap_742" "anap_743"
[445] "anap_744" "anap_745" "anap_746" "anap_747" "anap_748" "anap_749"
[451] "anap_750" "anap_751" "anap_752" "anap_753" "anap_754" "anap_755"
[457] "anap_756" "anap_757" "anap_758" "anap_759" "anap_760" "anap_761"
[463] "anap_762" "anap_763" "anap_764" "anap_765" "anap_766" "anap_767"
[469] "anap_768" "anap_769" "anap_770" "anap_771" "anap_772" "anap_773"
[475] "anap_774" "anap_775" "anap_776" "anap_777" "anap_778" "anap_779"
[481] "anap_780" "anap_781" "anap_782" "anap_783" "anap_784" "anap_785"
[487] "anap_786" "anap_787" "anap_788" "anap_789" "anap_790" "anap_791"
[493] "anap_792" "anap_793" "anap_794" "anap_795" "anap_796" "anap_797"
[499] "anap_798" "anap_799" "anap_800" "idx" "CRUISE" "STATION"
[505] "CAST" "METHOD" "NISKIN" "REPLICATE" "DEPTH" "A"
[511] "Snap" "Offset" "LON" "LAT" "TIME" "ENDTIME"
$row.names
[1] 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] 26
$class
[1] "data.frame"
$ShortName
[1] "a_nap"
$LongName
[1] "Absorption coefficient by non-algal particles"
$Wavelengths
[1] 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317
[19] 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
[37] 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353
[55] 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371
[73] 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389
[91] 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407
[109] 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425
[127] 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443
[145] 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461
[163] 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479
[181] 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497
[199] 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
[217] 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
[235] 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551
[253] 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
[271] 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
[289] 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605
[307] 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623
[325] 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
[343] 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659
[361] 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677
[379] 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695
[397] 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713
[415] 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731
[433] 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749
[451] 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767
[469] 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785
[487] 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
$Units
[1] "1/m"
$header
$header$Station
[1] NA
$header$Cruise
[1] NA
$header$Latitude
[1] NA
$header$Longitude
[1] NA
abs : An object of class "Spectra"
2 spectral channels in columns and 4 observations in rows
LongName: abs Units: m-1
Wavelengths : 2 channels with units of nm [ 500 , 600 ] -> 500 600 ...
Spectra Columns: ch1 ch2 ...
Ancillary Columns: ...
Bounding box: LON( 5 8 ) LAT( 1 4 )
Time : periodicity of 1 secs between (2021-01-07 22:44:01 - 2021-01-07 22:44:04), tz=UTC
geoSpectral documentation built on Feb. 20, 2020, 5:08 p.m.
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Description Arguments Examples
Description
Converting Spectra object to data.frame is straightforward
while the conversion in the opposite direction requires a set of attributes
to be present in the source data.frame object.
These attributes are generally created during the conversion of a
Spectra object into data.frame, they can
also be manually set if they are non-existant (see the example below).
Arguments
from |
The input object |
to |
Name of the class of output object |
Examples
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #Convert a Spectra object to data.frame
sp <- spc.example_spectra()
df <- as(sp, "data.frame")
class(df); dim(df)
attributes(df)
#Convert the data.frame back to Spectra
sp2 <- as(df, "Spectra")
#Convert a bare data.frame to Spectra with minimal attributes
df2 <- data.frame(ch1=c(1,2,3,4), ch2=c(5,6,7,8), TIME=Sys.time()+1:4, LAT=1:4, LON=5:8)
attr(df2, "Units") <- "m-1"
attr(df2, "Wavelengths") <- c(500, 600)
attr(df2, "ShortName") <- "abs"
as(df2, "Spectra")
|
Example output
Registered S3 method overwritten by 'pryr':
method from
print.bytes Rcpp
[1] "data.frame"
[1] 26 516
$names
[1] "anap_300" "anap_301" "anap_302" "anap_303" "anap_304" "anap_305"
[7] "anap_306" "anap_307" "anap_308" "anap_309" "anap_310" "anap_311"
[13] "anap_312" "anap_313" "anap_314" "anap_315" "anap_316" "anap_317"
[19] "anap_318" "anap_319" "anap_320" "anap_321" "anap_322" "anap_323"
[25] "anap_324" "anap_325" "anap_326" "anap_327" "anap_328" "anap_329"
[31] "anap_330" "anap_331" "anap_332" "anap_333" "anap_334" "anap_335"
[37] "anap_336" "anap_337" "anap_338" "anap_339" "anap_340" "anap_341"
[43] "anap_342" "anap_343" "anap_344" "anap_345" "anap_346" "anap_347"
[49] "anap_348" "anap_349" "anap_350" "anap_351" "anap_352" "anap_353"
[55] "anap_354" "anap_355" "anap_356" "anap_357" "anap_358" "anap_359"
[61] "anap_360" "anap_361" "anap_362" "anap_363" "anap_364" "anap_365"
[67] "anap_366" "anap_367" "anap_368" "anap_369" "anap_370" "anap_371"
[73] "anap_372" "anap_373" "anap_374" "anap_375" "anap_376" "anap_377"
[79] "anap_378" "anap_379" "anap_380" "anap_381" "anap_382" "anap_383"
[85] "anap_384" "anap_385" "anap_386" "anap_387" "anap_388" "anap_389"
[91] "anap_390" "anap_391" "anap_392" "anap_393" "anap_394" "anap_395"
[97] "anap_396" "anap_397" "anap_398" "anap_399" "anap_400" "anap_401"
[103] "anap_402" "anap_403" "anap_404" "anap_405" "anap_406" "anap_407"
[109] "anap_408" "anap_409" "anap_410" "anap_411" "anap_412" "anap_413"
[115] "anap_414" "anap_415" "anap_416" "anap_417" "anap_418" "anap_419"
[121] "anap_420" "anap_421" "anap_422" "anap_423" "anap_424" "anap_425"
[127] "anap_426" "anap_427" "anap_428" "anap_429" "anap_430" "anap_431"
[133] "anap_432" "anap_433" "anap_434" "anap_435" "anap_436" "anap_437"
[139] "anap_438" "anap_439" "anap_440" "anap_441" "anap_442" "anap_443"
[145] "anap_444" "anap_445" "anap_446" "anap_447" "anap_448" "anap_449"
[151] "anap_450" "anap_451" "anap_452" "anap_453" "anap_454" "anap_455"
[157] "anap_456" "anap_457" "anap_458" "anap_459" "anap_460" "anap_461"
[163] "anap_462" "anap_463" "anap_464" "anap_465" "anap_466" "anap_467"
[169] "anap_468" "anap_469" "anap_470" "anap_471" "anap_472" "anap_473"
[175] "anap_474" "anap_475" "anap_476" "anap_477" "anap_478" "anap_479"
[181] "anap_480" "anap_481" "anap_482" "anap_483" "anap_484" "anap_485"
[187] "anap_486" "anap_487" "anap_488" "anap_489" "anap_490" "anap_491"
[193] "anap_492" "anap_493" "anap_494" "anap_495" "anap_496" "anap_497"
[199] "anap_498" "anap_499" "anap_500" "anap_501" "anap_502" "anap_503"
[205] "anap_504" "anap_505" "anap_506" "anap_507" "anap_508" "anap_509"
[211] "anap_510" "anap_511" "anap_512" "anap_513" "anap_514" "anap_515"
[217] "anap_516" "anap_517" "anap_518" "anap_519" "anap_520" "anap_521"
[223] "anap_522" "anap_523" "anap_524" "anap_525" "anap_526" "anap_527"
[229] "anap_528" "anap_529" "anap_530" "anap_531" "anap_532" "anap_533"
[235] "anap_534" "anap_535" "anap_536" "anap_537" "anap_538" "anap_539"
[241] "anap_540" "anap_541" "anap_542" "anap_543" "anap_544" "anap_545"
[247] "anap_546" "anap_547" "anap_548" "anap_549" "anap_550" "anap_551"
[253] "anap_552" "anap_553" "anap_554" "anap_555" "anap_556" "anap_557"
[259] "anap_558" "anap_559" "anap_560" "anap_561" "anap_562" "anap_563"
[265] "anap_564" "anap_565" "anap_566" "anap_567" "anap_568" "anap_569"
[271] "anap_570" "anap_571" "anap_572" "anap_573" "anap_574" "anap_575"
[277] "anap_576" "anap_577" "anap_578" "anap_579" "anap_580" "anap_581"
[283] "anap_582" "anap_583" "anap_584" "anap_585" "anap_586" "anap_587"
[289] "anap_588" "anap_589" "anap_590" "anap_591" "anap_592" "anap_593"
[295] "anap_594" "anap_595" "anap_596" "anap_597" "anap_598" "anap_599"
[301] "anap_600" "anap_601" "anap_602" "anap_603" "anap_604" "anap_605"
[307] "anap_606" "anap_607" "anap_608" "anap_609" "anap_610" "anap_611"
[313] "anap_612" "anap_613" "anap_614" "anap_615" "anap_616" "anap_617"
[319] "anap_618" "anap_619" "anap_620" "anap_621" "anap_622" "anap_623"
[325] "anap_624" "anap_625" "anap_626" "anap_627" "anap_628" "anap_629"
[331] "anap_630" "anap_631" "anap_632" "anap_633" "anap_634" "anap_635"
[337] "anap_636" "anap_637" "anap_638" "anap_639" "anap_640" "anap_641"
[343] "anap_642" "anap_643" "anap_644" "anap_645" "anap_646" "anap_647"
[349] "anap_648" "anap_649" "anap_650" "anap_651" "anap_652" "anap_653"
[355] "anap_654" "anap_655" "anap_656" "anap_657" "anap_658" "anap_659"
[361] "anap_660" "anap_661" "anap_662" "anap_663" "anap_664" "anap_665"
[367] "anap_666" "anap_667" "anap_668" "anap_669" "anap_670" "anap_671"
[373] "anap_672" "anap_673" "anap_674" "anap_675" "anap_676" "anap_677"
[379] "anap_678" "anap_679" "anap_680" "anap_681" "anap_682" "anap_683"
[385] "anap_684" "anap_685" "anap_686" "anap_687" "anap_688" "anap_689"
[391] "anap_690" "anap_691" "anap_692" "anap_693" "anap_694" "anap_695"
[397] "anap_696" "anap_697" "anap_698" "anap_699" "anap_700" "anap_701"
[403] "anap_702" "anap_703" "anap_704" "anap_705" "anap_706" "anap_707"
[409] "anap_708" "anap_709" "anap_710" "anap_711" "anap_712" "anap_713"
[415] "anap_714" "anap_715" "anap_716" "anap_717" "anap_718" "anap_719"
[421] "anap_720" "anap_721" "anap_722" "anap_723" "anap_724" "anap_725"
[427] "anap_726" "anap_727" "anap_728" "anap_729" "anap_730" "anap_731"
[433] "anap_732" "anap_733" "anap_734" "anap_735" "anap_736" "anap_737"
[439] "anap_738" "anap_739" "anap_740" "anap_741" "anap_742" "anap_743"
[445] "anap_744" "anap_745" "anap_746" "anap_747" "anap_748" "anap_749"
[451] "anap_750" "anap_751" "anap_752" "anap_753" "anap_754" "anap_755"
[457] "anap_756" "anap_757" "anap_758" "anap_759" "anap_760" "anap_761"
[463] "anap_762" "anap_763" "anap_764" "anap_765" "anap_766" "anap_767"
[469] "anap_768" "anap_769" "anap_770" "anap_771" "anap_772" "anap_773"
[475] "anap_774" "anap_775" "anap_776" "anap_777" "anap_778" "anap_779"
[481] "anap_780" "anap_781" "anap_782" "anap_783" "anap_784" "anap_785"
[487] "anap_786" "anap_787" "anap_788" "anap_789" "anap_790" "anap_791"
[493] "anap_792" "anap_793" "anap_794" "anap_795" "anap_796" "anap_797"
[499] "anap_798" "anap_799" "anap_800" "idx" "CRUISE" "STATION"
[505] "CAST" "METHOD" "NISKIN" "REPLICATE" "DEPTH" "A"
[511] "Snap" "Offset" "LON" "LAT" "TIME" "ENDTIME"
$row.names
[1] 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] 26
$class
[1] "data.frame"
$ShortName
[1] "a_nap"
$LongName
[1] "Absorption coefficient by non-algal particles"
$Wavelengths
[1] 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317
[19] 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
[37] 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353
[55] 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371
[73] 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389
[91] 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407
[109] 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425
[127] 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443
[145] 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461
[163] 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479
[181] 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497
[199] 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
[217] 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533
[235] 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551
[253] 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
[271] 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
[289] 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605
[307] 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623
[325] 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
[343] 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659
[361] 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677
[379] 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695
[397] 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713
[415] 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731
[433] 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749
[451] 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767
[469] 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785
[487] 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
$Units
[1] "1/m"
$header
$header$Station
[1] NA
$header$Cruise
[1] NA
$header$Latitude
[1] NA
$header$Longitude
[1] NA
abs : An object of class "Spectra"
2 spectral channels in columns and 4 observations in rows
LongName: abs Units: m-1
Wavelengths : 2 channels with units of nm [ 500 , 600 ] -> 500 600 ...
Spectra Columns: ch1 ch2 ...
Ancillary Columns: ...
Bounding box: LON( 5 8 ) LAT( 1 4 )
Time : periodicity of 1 secs between (2021-01-07 22:44:01 - 2021-01-07 22:44:04), tz=UTC
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