71 lines
2.3 KiB
Matlab
71 lines
2.3 KiB
Matlab
function [ output_args ] = visualisePDM( MeanVals, EigenVals, EigenVectors, Triangulation, numParams, numExamples)
|
|
%VISUALISEPDM Visualise the given PDM model using openGL
|
|
% Detailed explanation goes here
|
|
|
|
% use opengl to display the model
|
|
|
|
%figure;
|
|
figure('Color',[1 1 1]);
|
|
|
|
% from -5 to 5 sqrt(var), which is represented by eigenvalues
|
|
inc = 6 / (numExamples - 1);
|
|
|
|
% set(gcf, 'Renderer', 'opengl');
|
|
|
|
for i=1:numParams
|
|
|
|
for j=1:numExamples
|
|
% handle = subplot(numParams, numExamples, (i-1)*numExamples + j);
|
|
% subplot(numParams, numExamples, (i-1)*numExamples + j);
|
|
left = (j - 1) / numParams;
|
|
bottom = 1 - i / numExamples;
|
|
|
|
width = 1.0 / (numParams);
|
|
height = 1.0 / (numExamples);
|
|
|
|
subplot('Position',[left bottom width height]);
|
|
% get the shape
|
|
params = zeros(size(EigenVals));
|
|
% params(i) = sqrt(EigenVals(i))*(-3 + inc*(j-1));
|
|
params(i) = sqrt(EigenVals(i)) * (-3 + inc*(j-1));
|
|
|
|
ShapeOffset = EigenVectors * params;
|
|
|
|
shape = MeanVals + ShapeOffset;
|
|
|
|
shape = reshape(shape, numel(ShapeOffset)/3, 3);
|
|
|
|
% fig_pos = get(handle, 'Position');
|
|
% %fig_pos(1) = 0;
|
|
% %fig_pos(2) = 0;
|
|
% fig_pos(3) = 1.0 / (numParams + 2);
|
|
% fig_pos(4) = 1.0 / (numParams + 2);
|
|
% set(handle, 'Position', fig_pos);
|
|
|
|
mesh_h = trimesh(...
|
|
Triangulation + 1, shape(:, 1), shape(:, 2), shape(:, 3), ...
|
|
'EdgeColor', 'blue', ...
|
|
'FaceColor', 'interp', ...
|
|
'FaceLighting', 'phong' ...
|
|
);
|
|
% set(gcf, 'Color', [ 0 0 0 ]);
|
|
|
|
% material([.5, .5, .1 1 ])
|
|
% camlight('headlight');
|
|
|
|
|
|
axis equal
|
|
axis([-100 100 -100 100 -100 100 -100 100])
|
|
caxis auto
|
|
set(gca, 'CameraPosition', [0 0 -100]);
|
|
set(gca, 'CameraTarget', [0 0 1]);
|
|
set(gca, 'CameraUpVector', [0 -1 0]);
|
|
set(gca, 'XTick', [], 'YTick', [], 'XColor', [1 1 1], 'YColor', [1 1 1], 'ZColor', [1 1 1]);
|
|
set(gca,'Color',[1 1 1]);
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|