This example demonstrates how ForImage can be used to import/export PPM files.
| Type | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|
| type(Colormap) | :: | custom_cmap | ||||
| type(format_pnm) | :: | ex1_colorbar | ||||
| type(format_pnm) | :: | ex1_colormap | ||||
| real(kind=wp), | parameter, dimension(2) | :: | xmax | = | [599.0_wp, 599.0_wp] | |
| real(kind=wp), | parameter, dimension(2) | :: | xmin | = | [0.0_wp, 0.0_wp] |
A sample test function to generate colormap images.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=wp), | intent(in) | :: | x | |||
| real(kind=wp), | intent(in) | :: | y |
program example1 use forcolormap, only: Colormap, wp use forimage, only: format_pnm implicit none type(Colormap) :: custom_cmap type(format_pnm) :: ex1_colormap, ex1_colorbar real(wp), dimension(2), parameter :: xmin = [0.0_wp, 0.0_wp] real(wp), dimension(2), parameter :: xmax = [599.0_wp, 599.0_wp] ! Create ppm files call custom_cmap%load('test_map_to_load.txt', 0.0_wp, 2.0_wp) call custom_cmap%colorbar('a_loaded_colormap_ascii_test', encoding='ascii') call custom_cmap%colormap('a_loaded_colormap_ascii_colorbar', zfun, xmin, xmax, encoding='ascii', width=200, height=200) call custom_cmap%print() call custom_cmap%finalize() ! Import ascii ppm files call ex1_colormap%import_pnm('a_loaded_colormap_ascii_test','ppm', 'ascii') call ex1_colorbar%import_pnm('a_loaded_colormap_ascii_colorbar','ppm', 'ascii') ! Change colormap and colorbar colors ex1_colormap%pixels = int(ex1_colormap%pixels * 1.6) ex1_colorbar%pixels = int(ex1_colorbar%pixels * 1.6) ! Export binary ppm files call ex1_colormap%export_pnm('a_loaded_colormap_binary_test_m', 'binary') call ex1_colorbar%export_pnm('a_loaded_colormap_binary_colorbar_m', 'binary') ! Deallocate call ex1_colormap%finalize() call ex1_colorbar%finalize() contains !> A sample test function to generate colormap images. pure function zfun(x,y) result(z) real(wp), intent(in) :: x, y real(wp) :: z z = 1.0_wp + sin(x*y/10000.0_wp) * cos(y/100.0_wp) end function end program example1