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47 lines
1.2 KiB
47 lines
1.2 KiB
3 years ago
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%--------------------------
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% @Author: Jingqiao Hu
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% @Date: 2021-12-29 20:23:06
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% @LastEditTime: 2022-01-29 11:34:31
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% for each voronoi edge
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% update the MMC variables based on voronoi-edges
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% [t, x1, y1, z1, x2, y2, z2];
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%--------------------------
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function MMC = update_MMCs(vedges, T, c_nnbSeedIDX)
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%% MMC properties
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nedge = size(vedges, 1);
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Tedge = T_edge2seed(T, c_nnbSeedIDX, nedge);
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MMC = [Tedge, vedges]; % [t, x1, y1, z1, x2, y2, z2];
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%% the polytope of each MMC
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% for i = 1:size(vedges, 1)
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% p1 = vedges(i, 1:3);
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% p2 = vedges(i, 4:6);
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% %# a plane is a*x+b*y+c*z+d=0
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% %# [a,b,c] is the normal. Thus, we have to calculate
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% %# d and we're set
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% n1 = p2 - p1;
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% d1 = -p1 * n1'; %'# dot product for less typing
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% n2 = p1 - p2;
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% d2 = -p2 * n2'; %'# dot product for less typing
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% end
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end
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% projection to width for each edge based on the distance to two neighbor seed
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function Tedge = T_edge2seed(Tseed, c_nnbSeedIDX, nedge)
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Tedge = zeros(nedge, 1);
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parfor i = 1 : nedge
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sid = c_nnbSeedIDX{i};
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t = Tseed(sid); % 2*1
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Tedge(i) = mean(t);
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end
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end
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