open source pkg v1

pkg/OpenFace/model_training/pdm_generation/visualisePDM.m

@@ -0,0 +1,70 @@
+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
+