-
Notifications
You must be signed in to change notification settings - Fork 4
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
src/forcolormap_utils.f90: contains the test_colormap() subroutine us…
…ed in several examples
- Loading branch information
Showing
8 changed files
with
91 additions
and
117 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,79 @@ | ||
! The MIT License (MIT) | ||
! | ||
! Copyright (c) 2024 vmagnin | ||
! | ||
! Permission is hereby granted, free of charge, to any person obtaining a copy | ||
! of this software and associated documentation files (the "Software"), to deal | ||
! in the Software without restriction, including without limitation the rights | ||
! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
! copies of the Software, and to permit persons to whom the Software is | ||
! furnished to do so, subject to the following conditions: | ||
! | ||
! The above copyright notice and this permission notice shall be included in all | ||
! copies or substantial portions of the Software. | ||
! | ||
! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
! SOFTWARE. | ||
!------------------------------------------------------------------------------- | ||
! Contributed by vmagnin: 2024-02-21 | ||
! Last modification: vmagnin 2024-02-21 | ||
!------------------------------------------------------------------------------- | ||
|
||
!> This module contains miscellaneous procedures and functions. | ||
module forcolormap_utils | ||
use forcolormap, only: Colormap, wp | ||
|
||
implicit none | ||
|
||
private | ||
|
||
public :: test_colormap | ||
|
||
contains | ||
|
||
!> This procedure computes a default z=f(x,y) function and plot it | ||
!> in a .ppm file using the specified colormap. | ||
subroutine test_colormap(self, filename, encoding) | ||
use forimage, only: format_pnm | ||
type(Colormap), intent(inout) :: self | ||
character(*), intent(in) :: filename | ||
integer :: k, j ! Pixbuffer coordinates | ||
integer, parameter :: pixwidth = 600 | ||
integer, parameter :: pixheight = 600 | ||
integer, dimension(:,:), allocatable :: rgb_image | ||
integer :: red, green, blue | ||
real(wp) :: z | ||
type(format_pnm) :: ppm | ||
character(*), intent(in) :: encoding | ||
|
||
allocate(rgb_image(pixheight,pixwidth*3)) | ||
|
||
do k = 0, pixwidth-1 | ||
do j = 0, pixheight-1 | ||
! Computing a z=f(x,y) function: | ||
z = 1.0_wp + sin(k*j/10000.0_wp) * cos(j/100.0_wp) | ||
! The corresponding RGB values in our colormap: | ||
call self%compute_RGB(z, red, green, blue) | ||
rgb_image(pixheight-j, 3*(k+1)-2) = red | ||
rgb_image(pixheight-j, 3*(k+1)-1) = green | ||
rgb_image(pixheight-j, 3*(k+1)) = blue | ||
end do | ||
end do | ||
|
||
call ppm%set_pnm(encoding = encoding,& | ||
file_format = 'ppm',& | ||
width = pixwidth,& | ||
height = pixheight,& | ||
max_color = 255,& | ||
comment = 'comment',& | ||
pixels = rgb_image) | ||
call ppm%export_pnm(filename) | ||
|
||
end subroutine test_colormap | ||
|
||
end module forcolormap_utils |