/usr/share/doc/libplplot12/examples/f95/x33f.f90 is in libplplot-dev 5.10.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 | ! -*- coding: utf-8; -*-
!
! $Id: x33f.f90 12626 2013-10-24 23:01:26Z andrewross $
!
! Demonstrate most pllegend capability including unicode symbols.
!
! Copyright (C) 2010 Alan Irwin
!
! This file is part of PLplot.
!
! PLplot is free software; you can redistribute it and/or modify
! it under the terms of the GNU Library General Public License as published
! by the Free Software Foundation; either version 2 of the License, or
! (at your option) any later version.
!
! PLplot is distributed in the hope that it will be useful,
! but WITHOUT ANY WARRANTY; without even the implied warranty of
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! GNU Library General Public License for more details.
!
! You should have received a copy of the GNU Library General Public License
! along with PLplot; if not, write to the Free Software
! Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
!
!
! This example designed just for devices (e.g., the cairo-related and
! qt-related devices) where the best choice of glyph is automatically
! selected by the related libraries (pango/cairo or Qt4) for each
! unicode character depending on what system fonts are installed. Of
! course, you must have the appropriate TrueType fonts installed to
! have access to all the required glyphs.
!--------------------------------------------------------------------------
! main
!
! Demonstrate most pllegend capability including unicode symbols.
! --------------------------------------------------------------------------
use plplot
implicit none
integer, parameter :: MAX_NLEGEND = 7
integer :: i, k
integer :: opt, position
integer :: nlegend, nturn
integer :: opt_array(MAX_NLEGEND)
integer :: text_colors(MAX_NLEGEND)
integer :: box_colors(MAX_NLEGEND)
integer :: box_patterns(MAX_NLEGEND)
real(kind=plflt) :: box_scales(MAX_NLEGEND)
real(kind=plflt) :: box_line_widths(MAX_NLEGEND)
integer :: line_colors(MAX_NLEGEND)
integer :: line_styles(MAX_NLEGEND)
real(kind=plflt) :: line_widths(MAX_NLEGEND)
integer :: symbol_numbers(MAX_NLEGEND), symbol_colors(MAX_NLEGEND)
real(kind=plflt) :: symbol_scales(MAX_NLEGEND)
character(len=200) :: text(MAX_NLEGEND)
character(len=3) :: symbols(MAX_NLEGEND)
real(kind=plflt) :: legend_width, legend_height, x, y, xstart, ystart
real(kind=plflt) :: max_height, text_scale
integer :: opt_base, nrow, ncolumn
integer :: position_options(16)
character(len=3) :: special_symbols(5)
real(kind=plflt) :: values_small(2)
real(kind=plflt) :: values_uneven(9)
real(kind=plflt) :: values_even(9)
integer, parameter :: COLORBAR_KINDS = 4
integer :: colorbar_option_kinds(COLORBAR_KINDS)
character(len=100) :: colorbar_option_kind_labels(COLORBAR_KINDS)
integer, parameter :: COLORBAR_POSITIONS = 4
integer :: colorbar_position_options(COLORBAR_POSITIONS)
character(len=100) :: colorbar_position_option_labels(COLORBAR_POSITIONS)
integer, parameter :: COLORBAR_LABELS = 4
integer :: colorbar_label_options(COLORBAR_LABELS)
character(len=100) :: colorbar_label_option_labels(COLORBAR_LABELS)
integer, parameter :: COLORBAR_CAPS = 4
integer :: colorbar_cap_options(COLORBAR_CAPS)
character(len=100) :: colorbar_cap_option_labels(COLORBAR_CAPS)
! Pick 5 arbitrary UTF-8 symbols useful for plotting points (✠✚✱✪✽✺✰✴✦).
data special_symbols / &
'✰', &
'✴', &
'✱', &
'✽', &
'✦' /
data values_small / -1.0e-200_plflt, 1.0e-200_plflt /
data values_uneven &
/ -1.0e-200_plflt, 2.0e-200_plflt, 2.6e-200_plflt, 3.4e-200_plflt, &
6.0e-200_plflt, 7.0e-200_plflt, 8.0e-200_plflt, 9.0e-200_plflt, &
10.0e-200_plflt /
data values_even &
/ -2.0e-200_plflt, -1.0e-200_plflt, 0.0e-200_plflt, 1.0e-200_plflt, &
2.0e-200_plflt, 3.0e-200_plflt, 4.0e-200_plflt, 5.0e-200_plflt, &
6.0e-200_plflt /
position_options(1) = PL_POSITION_LEFT + PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(2) = PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(3) = PL_POSITION_RIGHT + PL_POSITION_TOP + PL_POSITION_OUTSIDE
position_options(4) = PL_POSITION_RIGHT + PL_POSITION_OUTSIDE
position_options(5) = PL_POSITION_RIGHT + PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(6) = PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(7) = PL_POSITION_LEFT + PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
position_options(8) = PL_POSITION_LEFT + PL_POSITION_OUTSIDE
position_options(9) = PL_POSITION_LEFT + PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(10) = PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(11) = PL_POSITION_RIGHT + PL_POSITION_TOP + PL_POSITION_INSIDE
position_options(12) = PL_POSITION_RIGHT + PL_POSITION_INSIDE
position_options(13) = PL_POSITION_RIGHT + PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(14) = PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(15) = PL_POSITION_LEFT + PL_POSITION_BOTTOM + PL_POSITION_INSIDE
position_options(16) = PL_POSITION_LEFT + PL_POSITION_INSIDE
! plcolorbar options
! Colorbar type options
colorbar_option_kinds(1) = PL_COLORBAR_SHADE
colorbar_option_kinds(2) = PL_COLORBAR_SHADE + PL_COLORBAR_SHADE_LABEL
colorbar_option_kinds(3) = PL_COLORBAR_IMAGE
colorbar_option_kinds(4) = PL_COLORBAR_GRADIENT
colorbar_option_kind_labels(1) = "Shade colorbars"
colorbar_option_kind_labels(2) = "Shade colorbars with custom labels"
colorbar_option_kind_labels(3) = "Image colorbars"
colorbar_option_kind_labels(4) = "Gradient colorbars"
! Which side of the page are we positioned relative to?
colorbar_position_options(1) = PL_POSITION_LEFT
colorbar_position_options(2) = PL_POSITION_RIGHT
colorbar_position_options(3) = PL_POSITION_TOP
colorbar_position_options(4) = PL_POSITION_BOTTOM
colorbar_position_option_labels(1) = "Left"
colorbar_position_option_labels(2) = "Right"
colorbar_position_option_labels(3) = "Top"
colorbar_position_option_labels(4) = "Bottom"
! Colorbar label positioning options
colorbar_label_options(1) = PL_COLORBAR_LABEL_LEFT
colorbar_label_options(2) = PL_COLORBAR_LABEL_RIGHT
colorbar_label_options(3) = PL_COLORBAR_LABEL_TOP
colorbar_label_options(4) = PL_COLORBAR_LABEL_BOTTOM
colorbar_label_option_labels(1) = "Label left"
colorbar_label_option_labels(2) = "Label right"
colorbar_label_option_labels(3) = "Label top"
colorbar_label_option_labels(4) = "Label bottom"
! Colorbar cap options
colorbar_cap_options(1) = PL_COLORBAR_CAP_NONE
colorbar_cap_options(2) = PL_COLORBAR_CAP_LOW
colorbar_cap_options(3) = PL_COLORBAR_CAP_HIGH
colorbar_cap_options(4) = PL_COLORBAR_CAP_LOW + PL_COLORBAR_CAP_HIGH
colorbar_cap_option_labels(1) = "No caps"
colorbar_cap_option_labels(2) = "Low cap"
colorbar_cap_option_labels(3) = "High cap"
colorbar_cap_option_labels(4) = "Low and high caps"
! Parse and process command line arguments
call plparseopts(PL_PARSE_FULL)
! Initialize plplot
call plinit
! First page illustrating the 16 standard positions.
call pladv( 0 )
call plvpor( 0.25_plflt, 0.75_plflt, 0.25_plflt, 0.75_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
call plbox( 'bc', 0.0_plflt, 0, 'bc', 0.0_plflt, 0 )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 8.0_plflt, 0.5_plflt, 0.5_plflt, &
'The 16 standard legend positions with' )
call plmtex( 't', 6.0_plflt, 0.5_plflt, 0.5_plflt, &
'the same (0.05) offset in x and y' )
nlegend = 1
! Only specify legend data that are required according to the
! value of opt_array for that entry.
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
opt_array(1) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(1) = 1
line_widths(1) = 1
symbol_scales(1) = 1._plflt
symbol_numbers(1) = 4
symbols(1) = '*'
! Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
do k = 1,16
position = position_options(k)
opt = opt_base
text_colors(1) = 1 + mod( k-1, 8 )
line_colors(1) = 1 + mod( k-1, 8 )
symbol_colors(1) = 1 + mod( k-1, 8 )
write( text(1), '(i2.2)' ) k-1
call pllegend( legend_width, legend_height, opt, position, &
0.05_plflt, 0.05_plflt, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
enddo
! Second page illustrating effect of nrow, ncolumn for the same legend
! data.
call pladv( 0 )
call plvpor( 0.25_plflt, 0.75_plflt, 0.25_plflt, 0.75_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
call plbox( 'bc', 0.0_plflt, 0, 'bc', 0.0_plflt, 0 )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 8.0_plflt, 0.5_plflt, 0.5_plflt, &
'The effect of nrow, ncolumn, PL_LEGEND_ROW_MAJOR,' )
call plmtex( 't', 6.0_plflt, 0.5_plflt, 0.5_plflt, &
'and position for the same legend data' )
nlegend = 7
! Only specify legend data that are required according to the
! value of opt_array for that entry.
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
do 120 k = 1,nlegend
opt_array(k) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(k) = 1
line_widths(k) = 1
symbol_scales(k) = 1._plflt
symbol_numbers(k) = 2
symbols(k) = '*'
write( text(k), '(i2.2)' ) k-1
text_colors(k) = 1 + mod( k-1, 8 )
line_colors(k) = 1 + mod( k-1, 8 )
symbol_colors(k) = 1 + mod( k-1, 8 )
120 continue
! Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
position = PL_POSITION_TOP + PL_POSITION_OUTSIDE
opt = opt_base
x = 0._plflt
y = 0.1_plflt
nrow = 1
ncolumn = nlegend
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_BOTTOM + PL_POSITION_OUTSIDE
opt = opt_base
x = 0._plflt
y = 0.1_plflt
nrow = 1
ncolumn = nlegend
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_LEFT + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.1_plflt
y = 0._plflt
nrow = nlegend
ncolumn = 1
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_RIGHT + PL_POSITION_OUTSIDE
opt = opt_base
x = 0.1_plflt
y = 0._plflt
nrow = nlegend
ncolumn = 1
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_LEFT + PL_POSITION_TOP + PL_POSITION_INSIDE
opt = opt_base
x = 0._plflt
y = 0._plflt
nrow = 6
ncolumn = 2
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_RIGHT + PL_POSITION_TOP + PL_POSITION_INSIDE
opt = opt_base + PL_LEGEND_ROW_MAJOR
x = 0._plflt
y = 0._plflt
nrow = 6
ncolumn = 2
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
position = PL_POSITION_BOTTOM + PL_POSITION_INSIDE
opt = opt_base + PL_LEGEND_ROW_MAJOR
x = 0._plflt
y = 0._plflt
nrow = 3
ncolumn = 3
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.05_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 2.0_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
! Third page demonstrating legend alignment
call pladv( 0 )
call plvpor( 0.0_plflt, 1.0_plflt, 0.0_plflt, 0.9_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 2.0_plflt, 0.5_plflt, 0.5_plflt, &
'Demonstrate legend alignment' )
x = 0.1_plflt
y = 0.1_plflt
nturn = 5
nlegend = 0
position = PL_POSITION_TOP + PL_POSITION_LEFT + PL_POSITION_SUBPAGE
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX
opt = opt_base
do i = 1,9
! Set up legend arrays with the correct size, type.
if ( i .le. nturn ) then
nlegend = nlegend + 1
else
nlegend = nlegend - 1
endif
nlegend = max( 1, nlegend )
! nly specify legend data that are required according to the
! value of opt_array for that entry.
do k = 1,nlegend
opt_array(k) = PL_LEGEND_LINE + PL_LEGEND_SYMBOL
line_styles(k) = 1
line_widths(k) = 1
symbol_scales(k) = 1._plflt
symbol_numbers(k) = 2
symbols(k) = '*'
write( text(k), '(i2.2)' ) k-1
text_colors(k) = 1 + mod( k-1, 8 )
line_colors(k) = 1 + mod( k-1, 8 )
symbol_colors(k) = 1 + mod( k-1, 8 )
enddo
! Use monotype fonts so that all legends are the same size.
call plsfont( PL_FCI_MONO, -1, -1 )
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
nrow = MIN( 3, nlegend )
ncolumn = 0
call pllegend( legend_width, legend_height, opt, position, &
x, y, &
0.025_plflt, 15, 1, 1, nrow, ncolumn, &
opt_array(1:nlegend), 1.0_plflt, 1.0_plflt, 1.5_plflt, &
1._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
if ( i .eq. nturn ) then
position = PL_POSITION_TOP + PL_POSITION_RIGHT + PL_POSITION_SUBPAGE
opt = opt_base
x = 1._plflt - x
y = y + legend_height
else
x = x + legend_width
y = y + legend_height
endif
enddo
! Fourth page illustrating various kinds of legends
max_height = 0._plflt
xstart = 0.0_plflt
ystart = 0.1_plflt
x = xstart
y = ystart
text_scale = 0.90_plflt
call pladv( 0 )
call plvpor( 0.0_plflt, 1._plflt, 0.0_plflt, 0.90_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
! call plbox('bc', 0.0, 0, 'bc', 0.0_plflt, 0)
call plsfont( PL_FCI_SANS, -1, -1 )
call plmtex( 't', 2.0_plflt, 0.5_plflt, 0.5_plflt, &
'Demonstrate Various Kinds of Legends' )
nlegend = 5
! Only specify legend data that are required according to the
! value of opt_array for that entry.
position = PL_POSITION_LEFT + PL_POSITION_TOP
opt_base = PL_LEGEND_BACKGROUND + PL_LEGEND_BOUNDING_BOX + PL_LEGEND_TEXT_LEFT
! Set up None, Box, Line, Symbol, and Line & Symbol legend entries.
opt_array(1) = PL_LEGEND_NONE
text(1) = 'None'
text_colors(1) = 1
opt_array(2) = PL_LEGEND_COLOR_BOX
text(2) = 'Box'
text_colors(2) = 2
box_colors(2) = 2
box_patterns(2) = 0
box_scales(2) = 0.8_plflt
box_line_widths(2) = 1
opt_array(3) = PL_LEGEND_LINE
text(3) = 'Line'
text_colors(3) = 3
line_colors(3) = 3
line_styles(3) = 1
line_widths(3) = 1
opt_array(4) = PL_LEGEND_SYMBOL
text(4) = 'Symbol'
text_colors(4) = 4
symbol_colors(4) = 4
symbol_scales(4) = text_scale
symbol_numbers(4) = 4
symbols(4) = special_symbols(3)
opt_array(5) = PL_LEGEND_SYMBOL + PL_LEGEND_LINE
text(5) = 'L & S'
text_colors(5) = 5
line_colors(5) = 5
line_styles(5) = 1
line_widths(5) = 1
symbol_colors(5) = 5
symbol_scales(5) = text_scale
symbol_numbers(5) = 4
symbols(5) = special_symbols(3)
opt = opt_base
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up symbol legend entries with various symbols.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_SYMBOL
text(i) = 'Symbol ' // special_symbols(i)
text_colors(i) = i
symbol_colors(i) = i
symbol_scales(i) = text_scale
symbol_numbers(i) = 4
symbols(i) = special_symbols(i)
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up symbol legend entries with various numbers of symbols.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_SYMBOL
write( text(i), '(a,i0)' ) 'Symbol Number ', i+1
text_colors(i) = i
symbol_colors(i) = i
symbol_scales(i) = text_scale
symbol_numbers(i) = i + 1
symbols(i) = special_symbols(3)
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up box legend entries with various colours.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
write( text(i), '(a,i0)' ) 'Box Color ', i
text_colors(i) = i
box_colors(i) = i
box_patterns(i) = 0
box_scales(i) = 0.8_plflt
box_line_widths(i) = 1
enddo
opt = opt_base
! Use new origin
x = xstart
y = y + max_height
max_height = 0._plflt
call plscol0a( 15, 32, 32, 32, 0.70_plflt)
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up box legend entries with various patterns.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
write( text(i), '(a,i0)' ) 'Box Pattern ', i-1
text_colors(i) = 2
box_colors(i) = 2
box_patterns(i) = i - 1
box_scales(i) = 0.8_plflt
box_line_widths(i) = 1
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up box legend entries with various box pattern line widths.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_COLOR_BOX
write( text(i), '(a,i0)' ) 'Box Line Width ', i
text_colors(i) = 2
box_colors(i) = 2
box_patterns(i) = 3
box_scales(i) = 0.8_plflt
box_line_widths(i) = i
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up line legend entries with various colours.
do i =1,nlegend
opt_array(i) = PL_LEGEND_LINE
write( text(i), '(a,i0)' ) 'Line Color ', i
text_colors(i) = i
line_colors(i) = i
line_styles(i) = 1
line_widths(i) = 1
enddo
opt = opt_base
! Use new origin
x = xstart
y = y + max_height
max_height = 0._plflt
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up line legend entries with various styles.
do i = 1,nlegend
opt_array(i) = PL_LEGEND_LINE
write( text(i), '(a,i0)' ) 'Line Style ', i
text_colors(i) = 2
line_colors(i) = 2
line_styles(i) = i
line_widths(i) = 1
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Set up line legend entries with various widths.
do i =1,nlegend
opt_array(i) = PL_LEGEND_LINE
write( text(i), '(a,i0)' ) 'Line Width ', i
text_colors(i) = 2
line_colors(i) = 2
line_styles(i) = 1
line_widths(i) = i
enddo
opt = opt_base
x = x + legend_width
call plscol0a( 15, 32, 32, 32, 0.70_plflt )
call pllegend( legend_width, legend_height, opt, position, x, y, &
0.1_plflt, 15, 1, 1, 0, 0, &
opt_array(1:nlegend), 1.0_plflt, text_scale, 2.0_plflt, &
0._plflt, text_colors, text, &
box_colors, box_patterns, box_scales, box_line_widths, &
line_colors, line_styles, line_widths, &
symbol_colors, symbol_scales, symbol_numbers, symbols )
max_height = max( max_height, legend_height )
! Color bar examples
! Use unsaturated green background colour to contrast with black caps.
call plscolbg( 70, 185, 70 )
! Cut out the greatest and smallest bits of the color spectrum to
! leave colors for the end caps.
call plscmap1_range( 0.01_plflt, 0.99_plflt )
! We can only test image and gradient colorbars with two element arrays
do i = 2,COLORBAR_KINDS-1
call plcolorbar_example( "cmap1_blue_yellow.pal", i, 0, 0._plflt, 2, values_small )
enddo
! Test shade colorbars with larger arrays
do i = 0,1
call plcolorbar_example( "cmap1_blue_yellow.pal", i, 4, 2._plflt, 9, values_even )
enddo
do i = 0,1
call plcolorbar_example( "cmap1_blue_yellow.pal", i, 0, 0._plflt, 9, values_uneven )
enddo
call plend()
contains
subroutine plcolorbar_example_page( kind_i, label_i, cap_i, cont_color, cont_width, n_values, values )
use plplot
implicit none
integer :: kind_i, label_i, cap_i, cont_color, n_values
real(kind=plflt) :: cont_width
real(kind=plflt), dimension(:) :: values
! Parameters for the colorbars on this page
integer :: position_i, position, opt
real(kind=plflt) :: x, y, x_length, y_length;
real(kind=plflt) :: ticks(1)
integer :: sub_ticks(1)
real(kind=plflt) :: low_cap_color, high_cap_color
logical :: vertical, ifn
character(len=20) :: axis_opts(1)
integer :: label_opts(1)
character(len=200) :: labels(1)
character(len=200) :: title
real(kind=plflt) :: colorbar_width, colorbar_height
integer :: n_values_array(1);
real(kind=plflt), allocatable, dimension(:,:) :: values_array
ticks(1) = 0.0_plflt
sub_ticks(1) = 0
label_opts(1) = 0
n_values_array(1) = n_values
allocate(values_array(1,n_values))
values_array(1,:) = values(:)
low_cap_color = 0.0_plflt;
high_cap_color = 1.0_plflt;
! Start a new page
call pladv( 0 )
! Draw one colorbar relative to each side of the page
do position_i = 0,COLORBAR_POSITIONS-1
position = colorbar_position_options(position_i+1);
opt = ior( &
colorbar_option_kinds(kind_i+1), &
ior(colorbar_label_options(label_i+1), &
colorbar_cap_options(cap_i+1) ) )
vertical = (iand(position, PL_POSITION_LEFT) > 0 .or. iand(position, PL_POSITION_RIGHT) > 0 )
ifn = (iand(position, PL_POSITION_LEFT) > 0 .or. iand(position, PL_POSITION_BOTTOM) > 0 )
! Set the offset position on the page
if (vertical .eqv. .true.) then
x = 0.0_plflt
y = 0.0_plflt
x_length = 0.05_plflt
y_length = 0.5_plflt
else
x = 0.0_plflt
y = 0.0_plflt
x_length = 0.5_plflt
y_length = 0.05_plflt
endif
! Set appropriate labelling options.
if (ifn .eqv. .true.) then
if ( cont_color .eq. 0 .or. cont_width .eq. 0._plflt ) then
axis_opts(1) = "uwtivn"
else
axis_opts(1) = "uwxvn"
endif
else
if ( cont_color .eq. 0 .or. cont_width .eq. 0._plflt ) then
axis_opts(1) = "uwtivm"
else
axis_opts(1) = "uwxvm"
endif
endif
write(labels(1), '(3A)') trim(colorbar_position_option_labels(position_i+1)), &
', ', trim(colorbar_label_option_labels(label_i+1))
! Smaller text
call plschr( 0.0_plflt, 0.75_plflt )
! Small ticks on the vertical axis
call plsmaj( 0.0_plflt, 0.5_plflt )
call plsmin( 0.0_plflt, 0.5_plflt )
call plvpor( 0.20_plflt, 0.80_plflt, 0.20_plflt, 0.80_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
! Set interesting background colour.
call plscol0a( 15, 0, 0, 0, 0.20_plflt )
call plcolorbar( colorbar_width, colorbar_height, &
ior(opt, ior(PL_COLORBAR_BOUNDING_BOX, PL_COLORBAR_BACKGROUND)), position, &
x, y, x_length, y_length, &
15, 1, 1, &
low_cap_color, high_cap_color, &
cont_color, cont_width, &
label_opts, labels, &
axis_opts, ticks, sub_ticks, &
n_values_array, values_array )
! Reset text and tick sizes
call plschr( 0.0_plflt, 1.0_plflt )
call plsmaj( 0.0_plflt, 1.0_plflt )
call plsmin( 0.0_plflt, 1.0_plflt )
enddo
! Draw a page title
write(title, '(3A)') trim(colorbar_option_kind_labels(kind_i+1)), ' - ', &
trim(colorbar_cap_option_labels(cap_i+1))
call plvpor( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
call plwind( 0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt )
call plptex( 0.5_plflt, 0.5_plflt, 0.0_plflt, 0.0_plflt, 0.5_plflt, title )
deallocate(values_array)
end subroutine plcolorbar_example_page
subroutine plcolorbar_example( palette, kind_i, cont_color, cont_width, n_values, values )
character(*) :: palette
integer :: kind_i, label_i, cap_i, cont_color, n_values
real(kind=plflt) :: cont_width
real(kind=plflt), dimension(:) :: values
! Load the color palette
call plspal1( palette, 1 )
do label_i = 0,COLORBAR_LABELS-1
do cap_i = 0,COLORBAR_CAPS-1
call plcolorbar_example_page( kind_i, label_i, cap_i, &
cont_color, cont_width, &
n_values, values )
enddo
enddo
end subroutine plcolorbar_example
end program
|