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PostPlot.m
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PostPlot.m
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function PostPlot()
Directory = './Turbulence/Beta1/';
% Folder = '2020-07-06 16-08-44/';
Folder = '2020-07-24 11-44-49//';
filename = @(n) [Directory Folder sprintf('%u',n) '.mat'];
PlotChoice = 2; % 1 for energy v time of run; 2 for visualisation of zeta^p/m
Nfiles = length(dir([Directory Folder '*.mat']))-1; % '-1' accounts for 0.mat
Number = 200; % Plots most recent *.mat file in 'Directory' Change to an integer less than Nfiles for any other saved 'snapshot' in directory
Fullscreen = 1;
SavePlot = 0;
PlotDirectory = './'; % Directory the plot is saved to
filename = @(n) [Directory Folder sprintf('%u',n) '.mat'];
%% Loading Parameters from 0.mat
Init0 = load(filename(0));
input = Init0.input;
SlowModes = input.Parameters.SlowModes;
VariableTimeStep = input.Parameters.VariableTimeStep;
if VariableTimeStep == 0
dt = input.Parameters.dtFixed;
end
if PlotChoice == 2 % Visualisation Information
KX = input.KX; KY = input.KY; KZ = input.KZ;
NX = input.Parameters.NX; NY = input.Parameters.NY; NZ = input.Parameters.NZ;
LX = input.Parameters.LX; LY = input.Parameters.LY; LZ = input.Parameters.LZ;
dx = LX/NX; dy = LY/NY; dz = LZ/NZ;
k2_perp = KX.^2 + KY.^2; % (Perpendicular) Laplacian in Fourier space
k2_poisson = k2_perp; k2_poisson(1,1,:) = 1;
[i,j,k] = ndgrid((1:NX)*dx,(1:NY)*dy,(1:NZ)*dz);
XG = permute(i, [2 1 3]); YG = permute(j, [2 1 3]); ZG = permute(k, [2 1 3]);
end
%% Loading Data from n.mat
Init1 = load(filename(Number));
output = Init1.output;
if PlotChoice == 1 %%% Energy Plot
Ezp = output.Ezp;
Ezm = output.Ezm;
if VariableTimeStep == 1
TSlice = output.time;
t = output.timevec;
t = t(2:find(t,1,'last')); % Trims vectors of trailing zeros
Ezp = Ezp(1:length(t));
Ezm = Ezm(1:length(t));
if SlowModes == 1
Esp = output.Esp;
Esm = output.Esm;
Esp = Esp(1:length(t));
Esm = Esm(1:length(t));
else
Esp = 0;
Esm = 0;
end
else
TSlice = output.time;
t = dt:dt:TSlice;
Esp = output.Esp;
Esm = output.Esm;
Esp = Esp(1:length(t));
Esm = Esm(1:length(t));
end
% assignin('base', 'Ezp', Ezp);
% assignin('base', 'Ezm', Ezm);
% assignin('base', 'Esp', Esp);
% assignin('base', 'Esm', Esm);
% assignin('base', 't', t);
% assignin('base', 'Ezp1', Ezp);
% assignin('base', 'Ezm1', Ezm);
% assignin('base', 'Esp1', Esp);
% assignin('base', 'Esm1', Esm);
% assignin('base', 't1', t);
%
EnergyPlot(Ezp, Ezm, t, TSlice, SlowModes, Esp, Esm)
elseif PlotChoice == 2 %%% Visualisation
Lap_z_plus = output.Lzp;
Lap_z_minus = output.Lzm;
t = output.time;
try
s_plus = output.sp;
s_minus = output.sm;
catch
SlowModes = 0;
s_plus = 0;
s_minus = 0;
end
PlotGrid(Lap_z_plus, Lap_z_minus, k2_poisson, Fullscreen, SlowModes, SavePlot, PlotDirectory, XG, YG, ZG, LX, LZ, dy, t, KX, s_plus, s_minus)
if SavePlot == 1
saveas(gcf, [PlotDirectory num2str(t) '.jpg'])
end
else
disp([' ERROR: Invalid Plot Type'])
end
end
function EnergyPlot(Ezp, Ezm, time, TSlice, SlowModes, Esp, Esm)
if SlowModes == 1
subplot(1,2,1)
plot(time, Ezp, time, Ezm)
title('\zeta^{\pm} "Energy"')
legend('\zeta^+', '\zeta^-', 'Location', 'Best')
xlabel('Time')
axis([0 TSlice 0 1.1*max([Ezp Ezm])])
subplot(1,2,2)
plot(time, Esp, time, Esm)
title('z^{\pm} "Energy"')
legend('z^+', 'z^-', 'Location', 'Best')
xlabel('Time')
axis([0 TSlice 0 1.1*max([Esp Esm])])
else
plot(time, Ezp, time, Ezm)
title('\zeta^{\pm} "Energy"')
legend('\zeta^+', '\zeta^-', 'Location', 'Best')
xlabel('Time')
axis([0 TSlice 0 1.1*max([Ezp Ezm])])
end
end
function PlotGrid(Lap_z_plus, Lap_z_minus, k2_poisson, Fullscreen, SlowModes, SavePlot, PlotDirectory, XG, YG, ZG, LX, LZ, dy, t, KX, s_plus, s_minus)
%Go back to real space for plotting
zp = double(permute(real(ifftn(KX.*Lap_z_plus./k2_poisson)),[2,1,3]));
zm = double(permute(real(ifftn(KX.*Lap_z_minus./k2_poisson)),[2,1,3]));
zp = 0.5*(zp + zm);
if SlowModes == 1
sp = double(permute(real(ifftn(s_plus)),[2,1,3]));
sm = double(permute(real(ifftn(s_minus)),[2,1,3]));
end
figure(1)
if Fullscreen == 1
set(gcf, 'Units', 'Normalized', 'OuterPosition', [0, 0.04, 1, 0.96]) % Makes figure fullscreen
end
clf
% if SlowModes == 1
% subplot(2,2,1)
% else
% subplot(1,2,1)
% end
hold on
hx = slice(XG, YG, ZG, zp, LX, [], []);
set(hx,'FaceColor','interp','EdgeColor','none')
hy = slice(XG, YG, ZG, zp, [], dy, []);
set(hy,'FaceColor','interp','EdgeColor','none')
hz = slice(XG, YG, ZG, zp, [], [], LZ);
set(hz,'FaceColor','interp','EdgeColor','none')
hold off
daspect([1,1,1])
axis tight
box on
view(42,16)
camproj perspective
set(gcf,'Renderer','zbuffer')
title([num2str(t,'%f') ' \zeta^+'])
xlabel('x')
ylabel('y')
zlabel('z')
colorbar
% if SlowModes == 1
% subplot(2,2,2)
% else
% subplot(1,2,2)
% end
% hold on
% hx = slice(XG, YG, ZG, zm, LX, [], []);
% set(hx,'FaceColor','interp','EdgeColor','none')
% hy = slice(XG, YG, ZG, zm, [], dy, []);
% set(hy,'FaceColor','interp','EdgeColor','none')
% hz = slice(XG, YG, ZG, zm, [], [], LZ);
% set(hz,'FaceColor','interp','EdgeColor','none')
% hold off
% daspect([1,1,1])
% axis tight
% box on
% view(42,16)
% camproj perspective
% set(gcf,'Renderer','zbuffer')
% title('\zeta^-')
% xlabel('x')
% ylabel('y')
% zlabel('z')
% colorbar
%
% if SlowModes == 1
% subplot(2,2,3)
% hold on
% hx = slice(XG, YG, ZG, sp, LX, [], []);
% set(hx,'FaceColor','interp','EdgeColor','none')
% hy = slice(XG, YG, ZG, sp, [], dy, []);
% set(hy,'FaceColor','interp','EdgeColor','none')
% hz = slice(XG, YG, ZG, sp, [], [], LZ);
% set(hz,'FaceColor','interp','EdgeColor','none')
% hold off
%
% daspect([1,1,1])
% axis tight
% box on
% view(42,16)
% camproj perspective
% set(gcf,'Renderer','zbuffer')
% title('z^+')
% xlabel('x')
% ylabel('y')
% zlabel('z')
% colorbar
%
% subplot(2,2,4)
% hold on
% hx = slice(XG, YG, ZG, sm, LX, [], []);
% set(hx,'FaceColor','interp','EdgeColor','none')
% hy = slice(XG, YG, ZG, sm, [], dy, []);
% set(hy,'FaceColor','interp','EdgeColor','none')
% hz = slice(XG, YG, ZG, sm, [], [], LZ);
% set(hz,'FaceColor','interp','EdgeColor','none')
% hold off
%
% daspect([1,1,1])
% axis tight
% box on
% view(42,16)
% camproj perspective
% set(gcf,'Renderer','zbuffer')
% title('z^-')
% xlabel('x')
% ylabel('y')
% zlabel('z')
% colorbar
% end
% drawnow
if SavePlot == 1
saveas(gcf, [PlotDirectory num2str(t) '.jpg'])
end
end