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piv_bfield_figures.m
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piv_bfield_figures.m
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function piv_bfield_figures(OPTIONS, dir_case)
disp('');
disp('-----------------------------------------------------------------------------------');
disp(' ______ _ ');
disp('| ____(_) ');
disp('| |__ _ __ _ _ _ _ __ ___ ___ ');
disp('| __| | |/ _` | | | | .__/ _ \/ __|');
disp('| | | | (_| | |_| | | | __/\__ \');
disp('|_| |_|\__, |\__,_|_| \___||___/');
disp(' __/ | ');
disp(' |___/ ');
disp(['making figures. dir_case: ' dir_case]);
disp('-----------------------------------------------------------------------------------');
disp('');
dir_figures = [dir_case filesep 'figures'];
% Define limits of colorbar scaling, this is flow dependent
% clims_Umag = [1000 4000]; % in pixel world
clims_Umag = [OPTIONS.inflow*1.7, OPTIONS.inflow*(1 + OPTIONS.inflow*1.3)]; % in meters world
% clims_u = [-2000 2000];
clims_u = [clims_Umag(1) clims_Umag(2)];
% define some colormaps
% pmkmp_maps = {'IsoAZ' 'IsoAZ180' 'Edge' 'Swtth' 'LinLhot' 'LinearL' 'IsoAZ'};
cmap_LinLHot = flipud(pmkmp(11, 'LinLhot'));
cmap_bipolar = bipolar(21, 0.80);
% set some default font sizes
set(0,'defaultAxesFontSize', 24);
set(0,'defaultlinelinewidth',4)
% determine units for axis labels
if OPTIONS.T_inv == 1 && isempty(OPTIONS.mmpp)
% pixels / second
units_speed = ' (pixels / second)';
else
% meters / second
units_speed = ' (meters / second)';
end
% .mat files of raw, and filtered and transformed vectors
files = dir([dir_case filesep 'vectors' filesep 'raw' filesep '*.mat']);
fnames = sort_nat({files.name}, 'ascend'); % sort the file list with natural ordering
fnames_raw = fnames(:); % reshape into a nicer list
files = dir([dir_case filesep 'vectors' filesep 'instantaneous' filesep '*.mat']);
fnames = sort_nat({files.name}, 'ascend'); % sort the file list with natural ordering
fnames_inst = fnames(:); % reshape into a nicer list
files = dir([dir_case filesep 'vectors' filesep 'fluctuating' filesep '*.mat']);
fnames = sort_nat({files.name}, 'ascend'); % sort the file list with natural ordering
fnames_fluct = fnames(:); % reshape into a nicer list
%% plot instantaneous variables
parfor n = 1:numel(fnames_inst)
%% Load in the variables to plot
% load the .mat file of raw vectors
RAW = load([dir_case filesep 'vectors' filesep 'raw' filesep fnames_raw{n}]);
pkh = RAW.pkh;
snr = RAW.snr;
% load the .mat file of instantaneous, filtered and transformed data
POST = load([dir_case filesep 'vectors' filesep 'instantaneous' filesep fnames_inst{n}]);
x = POST.x;
y = POST.y;
fu = POST.fu;
fv = -1 .* post.fv; % because flow in images is going up-to-down
fwz = post.fwz;
%% velocity magnitude
hFig = init_figure([]);
Umag = sqrt(post.fu.^2 + post.fv.^2);
contourf(post.x, post.y, Umag);
colormap(cmap_LinLHot)
title(['velocity magnitude ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_Umag)
saveas(hFig, [dir_figures filesep 'velocity_mag__' sprintf('%5.5d',n)], 'png')
%% velocity U
hFig = init_figure([]);
contourf(x, y, fu);
colormap(cmap_bipolar)
colorbar;
title(['crossflow velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_u)
caxis(clims_u)
saveas(hFig, [dir_figures filesep 'velocity_u__' sprintf('%5.5d',n)], 'png')
%% velocity V
hFig = init_figure([]);
contourf(x, y, fv);
colormap(cmap_LinLHot)
colorbar;
title(['streamwise velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_Umag)
saveas(hFig, [dir_figures filesep 'velocity_v__' sprintf('%5.5d',n)], 'png')
%% Vorticity
hFig = init_figure([]);
contourf(x, y, fwz);
colormap(cmap_bipolar)
colorbar;
axis square
colorbar;
caxis([-80 80])
title('Vorticity (/s)')
xlabel('')
ylabel('')
saveas(hFig, [dir_figures filesep 'vorticity_z__' sprintf('%5.5d',n)], 'png')
% %% SLICE velocity U mag
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), Umag(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), Umag(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('velocity magnitude')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([0 6000]);
%
% saveas(hFig, [dir_figures filesep 'slice_velocity_mag__' sprintf('%5.5d',n)], 'png')
%
% %% SLICE velocity U
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), fu(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), fu(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('crossflow velocity')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([-6000 6000]);
%
% saveas(hFig, [dir_figures filesep 'slice_velocity_u__' sprintf('%5.5d',n)], 'png')
%
%
% %% SLICE velocity V
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), fv(centerline_y,:), '-r');
% hold on;
% plot(1:size(y,2), fv(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('streamwise velocity')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([-6000 6000]);
%
% saveas(hFig, [dir_figures filesep 'slice_velocity_v__' sprintf('%5.5d',n)], 'png')
%
%
% %% SLICE vorticity
% hFig = init_figure([]);
%
% centerline_x = floor( size(fwz,1)/2 );
% centerline_y = floor( size(fwz,2)/2 );
%
% plot(1:size(fwz,1), fwz(centerline_y,:), '-r');
% hold on;
% plot(1:size(fwz,2), fwz(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('vorticity')
% xlabel('distance along slice')
% ylabel('vorticity (/s)')
% ylim([-200 200]);
%
% saveas(hFig, [dir_figures filesep 'slice_vorticity_z__ ' sprintf('%5.5d',n)], 'png')
%% cleanup (otherwise Matlab may give memory errors after creatting too many figure handles)
close all;
fclose all;
end % INSTANTANEOUS
%% plot statistical variables
% load in the statistics variables
STATS = load([dir_case filesep 'vectors' filesep 'stats' filesep 'stats.mat']);
x = STATS.x;
y = STATS.y;
mean_u = STATS.mean_u;
mean_v = -1 .* STATS.mean_v;
mean_Umag = STATS.mean_Umag;
std_u = STATS.std_u;
std_v = STATS.std_v;
std_mag = STATS.std_mag;
rms_u = STATS.rms_u;
rms_v = STATS.rms_v;
rms_mag = STATS.rms_mag;
mean_wz = STATS.mean_wz;
%% mean velocity magnitude normalized by inflow velocity
hFig = init_figure([]);
contourf(x, y, mean_Umag ./ OPTIONS.inflow);
colormap(cmap_LinLHot)
title(['mean velocity deficit magnitude, mean_U_mag / U_inflow'])
xlabel('mean_U_mag / U_inflow')
ylabel('')
axis square
colorbar;
caxis(clims_Umag)
saveas(hFig, [dir_figures filesep 'mean_velocity_mag_deficit'], 'png')
%% mean velocity magnitude
hFig = init_figure([]);
contourf(x, y, mean_Umag);
colormap(cmap_LinLHot)
colorbar;
title(['mean velocity magnitude ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_Umag)
saveas(hFig, [dir_figures filesep 'mean_velocity_mag'], 'png')
%% mean velocity U
hFig = init_figure([]);
contourf(x, y, mean_u);
colormap(cmap_bipolar)
colorbar;
title(['crossflow mean velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_u)
saveas(hFig, [dir_figures filesep 'mean_velocity_u'], 'png')
%% mean velocity V
hFig = init_figure([]);
contourf(x, y, mean_v);
colormap(cmap_LinLHot)
colorbar;
title(['streamwise mean velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_Umag)
saveas(hFig, [dir_figures filesep 'mean_velocity_v'], 'png')
%% Standard Deviation Magnitude
hFig = init_figure([]);
contourf(x, y, std_mag);
colormap(cmap_LinLHot)
colorbar;
title('standard deviation magnitude')
xlabel('')
ylabel('')
ylabel(cbar, ['standard deviation ' units_speed])
axis square
colorbar;
caxis([0 400])
saveas(hFig, [dir_figures filesep 'standard-deviation_mag'], 'png')
%% Mean Vorticity - NOT vorticity of the mean velocity
hFig = init_figure([]);
contourf(x, y, mean_wz);
colormap(cmap_bipolar)
colorbar;
axis square
colorbar;
caxis([-10 10])
title('mean vorticity (/s)')
xlabel('')
ylabel('')
saveas(hFig, [dir_figures filesep 'mean_vorticity_z'], 'png')
% %% SLICE mean velocity U mag
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), mean_Umag(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), mean_Umag(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('mean vorticity (/s)')
% xlabel('distance along slice')
% ylabel('mean speed (pixels / second)')
%
% saveas(hFig, [dir_figures filesep 'mean_slice_velocity_mag'], 'png')
%
% %% SLICE mean velocity U
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), mean_u(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), mean_u(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('mean crossflow velocity')
% xlabel('distance along slice')
% ylabel('mean speed (pixels / second)')
%
% saveas(hFig, [dir_figures filesep 'mean_slice_velocity_u'], 'png')
%
% %% SLICE mean velocity V
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
%
% plot(1:size(x,1), mean_v(centerline_y,:), '-r');
% hold on;
% plot(1:size(y,2), mean_v(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('mean streamwise velocity')
% xlabel('distance along slice')
% ylabel('mean speed (pixels / second)')
%
% saveas(hFig, [dir_figures filesep 'mean_slice_velocity_v'], 'png')
%
%
% %% SLICE mean vorticity
% hFig = init_figure([]);
%
% centerline_x = floor( size(mean_wz,1)/2 );
% centerline_y = floor( size(mean_wz,2)/2 );
%
% plot(1:size(mean_wz,1), mean_wz(centerline_y,:), '-r');
% hold on;
% plot(1:size(mean_wz,2), mean_wz(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('mean vorticity')
% xlabel('distance along slice')
% ylabel('mean vorticity (/s)')
%
% saveas(hFig, [dir_figures filesep 'mean_slice_vorticity'], 'png')
%% Turbulence Intensity
hFig = init_figure([]);
TI = 100 * std_mag ./ mean_Umag;
% TI = 100 * (Umag - mean_Umag)./mean_Umag);
% TI = 100 * (sqrt(uP^2 + vP^2)) ./ mean_Umag);
contourf(x, y, TI);
colormap(cmap_LinLHot)
colorbar;
title('Turbulence Intensity (%)')
xlabel('')
ylabel('')
axis square
colorbar;
caxis([1 40])
saveas(hFig, [dir_figures filesep 'turbulence-intensity'], 'png')
%% plot FLUCTUATING variables
parfor n = 1:numel(fnames_fluct)
% load the .mat file of fluctuating, filtered and transformed data
FLUCT = load([dir_case filesep 'vectors' filesep 'fluctuating' filesep fnames_fluct{n}]);
uP = FLUCT.uP;
vP = FLUCT.vP;
wzP = FLUCT.wzP;
%% fluctuating velocity magnitude
hFig = init_figure([]);
UmagP = sqrt(uP.^2 + vP.^2);
contourf(x, y, UmagP);
colormap(cmap_LinLHot)
colorbar;
title(['fluctuating velocity magnitude ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis([0 5000])
saveas(hFig, [dir_figures filesep 'fluctuating_velocity_mag__' sprintf('%5.5d',n)], 'png')
%% fluctuating velocity U
hFig = init_figure([]);
contourf(x, y, uP);
colormap(cmap_bipolar)
colorbar;
title(['fluctuating crossflow velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis(clims_u)
saveas(hFig, [dir_figures filesep 'fluctuating_velocity_u__' sprintf('%5.5d',n)], 'png')
%% fluctuating velocity V
hFig = init_figure([]);
contourf(x, y, vP);
colormap(cmap_LinLHot)
colorbar;
title(['fluctuating streamwise velocity ' units_speed])
xlabel('')
ylabel('')
axis square
colorbar;
caxis([0 200])
saveas(hFig, [dir_figures filesep 'fluctuating_velocity_v__' sprintf('%5.5d',n)], 'png')
%% fluctuating Vorticity
hFig = init_figure([]);
contourf(x, y, wzP);
colormap(cmap_bipolar)
colorbar;
axis square
colorbar;
caxis([-5 5])
title('fluctuating Vorticity (/s)')
xlabel('')
ylabel('')
saveas(hFig, [dir_figures filesep 'fluctuating_vorticity_z__' sprintf('%5.5d',n)], 'png')
% %% SLICE fluctuating velocity U mag
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), UmagP(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), UmagP(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('fluctuating velocity magnitude')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([0 5000]);
%
% saveas(hFig, [dir_figures filesep 'slice_fluctuating_velocity_mag__' sprintf('%5.5d',n)], 'png')
%
% %% SLICE fluctuating velocity U
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), uP(centerline_y,:), '-r');
% hold on
% plot(1:size(y,2), uP(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('fluctuating crossflow velocity')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([-3000 3000]);
%
% saveas(hFig, [dir_figures filesep 'slice_fluctuating_velocity_u__' sprintf('%5.5d',n)], 'png')
%
%
% %% SLICE fluctuating velocity V
% hFig = init_figure([]);
%
% centerline_x = floor( size(x,1)/2 );
% centerline_y = floor( size(x,2)/2 );
%
% plot(1:size(x,1), vP(centerline_y,:), '-r');
% hold on;
% plot(1:size(y,2), vP(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('fluctuating streamwise velocity')
% xlabel('distance along slice')
% ylabel('speed (pixels / second)')
% ylim([-3000 3000]);
%
% saveas(hFig, [dir_figures filesep 'slice_fluctuating_velocity_v__' sprintf('%5.5d',n)], 'png')
%
%
% %% SLICE fluctuating vorticity
% hFig = init_figure([]);
%
% centerline_x = floor( size(wzP,1)/2 );
% centerline_y = floor( size(wzP,2)/2 );
%
% plot(1:size(wzP,1), wzP(centerline_y,:), '-r');
% hold on;
% plot(1:size(wzP,2), wzP(:,centerline_x), '--b');
%
% hLeg = legend('slice crossflow','slice streamwise');
% set(hLeg, 'color','none');
%
% grid on
% title('fluctuating vorticity')
% xlabel('distance along slice')
% ylabel('vorticity (/s)')
% ylim([-200 200]);
%
% saveas(hFig, [dir_figures filesep 'slice_fluctuating_vorticity_z__ ' sprintf('%5.5d',n)], 'png')
%% fluctuating TKE
hFig = init_figure([]);
TKE = 0.5 * (uP.^2 + vP.^2);
contourf(x, y, TKE);
colormap(cmap_LinLHot)
colorbar;
title('')
xlabel('')
ylabel('')
ylabel(cbar, ['turbulent kinetic energy ' units_speed])
axis square
colorbar;
% caxis([0 500])
%
saveas(hFig, [dir_figures filesep 'TKE__' sprintf('%5.5d',n)], 'png')
%% cleanup (otherwise Matlab may give memory errors after creatting too many figure handles)
close all;
fclose all;
end
%% crop white space from all figure
crop(dir_figures);
end % function