Created
March 23, 2015 10:14
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3D MATLAB noise (continued)
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function s = noise3Dwrap (m,k) | |
s = zeros([m*3,m*3,m*3]); | |
w = m; | |
i = 0; | |
while w > 3 | |
i = i + 1; | |
randArray = randn([m,m,m],'single'); | |
randArray = repmat(randArray,[3 3 3]); | |
d = smooth3(randArray, 'gaussian',k,i); | |
s = s + i * d(1:(m*3), 1:(m*3), 1:(m*3)); | |
w = w - ceil(w/2 - 1); | |
fprintf('%f\n',w) | |
end | |
s = s(m:(2*m-1),m:(2*m-1),m:(2*m-1)); | |
s = (s - min(min(s(:,:)))) ./ (max(max(s(:,:))) - min(min(s(:,:)))); | |
s = uint8(s.*255); | |
end |
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for v = 64:64:256 | |
% Load texture | |
load(['noise3Dwrap' num2str(v) '.mat']) | |
for t = 1:2 | |
if t == 1 | |
theNoise = noiseStandard; | |
elseif t == 2 | |
theNoise = noiseComparison; | |
end | |
% Generate GIF | |
imwrite(reshape(noiseStandard,[i i 1 i]),['noise3Dwrap' num2str(v) '-' num2str(t) '.gif'],'LoopCount',Inf,'DelayTime',0.10) | |
% Generate Video | |
writerObj = VideoWriter(['noise3Dwrap' num2str(v) '-' num2str(t) '.avi'],'Uncompressed AVI'); | |
open(writerObj); | |
for k = 1:i | |
frame = noiseStandard(:,:,k); | |
writeVideo(writerObj,frame); | |
end | |
close(writerObj); | |
% Generate Poster (with black border for 16:9 widescreen display) | |
buffer = round((size(noiseStandard(:,:,1),2)*1.7777778-size(noiseStandard(:,:,1),2))/2); | |
poster = [zeros(size(noiseStandard(:,:,1),1),buffer),noiseStandard(:,:,1),zeros(size(noiseStandard(:,:,1),1),buffer)]; | |
imwrite(poster,['noise3Dwrap' num2str(v) '-' num2str(t) '.png']) | |
end | |
end |
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