【三维建模】基于MATLAB的立体图形三维建模仿真

1.软件版本

MATLAB2021a

2.核心代码

function [X,Y,Z]=func_restruction(I1,I2,I3,is_real);

II1 = func_getbk(I1,is_real);
II2 = func_getbk(I2,is_real);
II3 = func_getbk(I3,is_real);

[Sa1,Sb1,H1,W1] = func_featrure(II1);
[Sa2,Sb2,H2,W2] = func_featrure(II2); 
[Sa3,Sb3,H3,W3] = func_featrure(II3);
 
if H3/W3 > 0.9 & abs(Sb3/Sa3 - 0.5) <0.05
   t       = H3/W3*2 :-0.1: 0;
   [x,y,z] = cylinder(t);
   X       = W3*x/4;
   Y       = W3*y/4;
   Z       = H3*(z);
end
if H3/W3 < 1 & H3/W3 > 0.85 & abs(Sb3/Sa3 - 0.75) <0.05
    RR     = round((H3+W3)/4);
   [x,y,z] = sphere(40);
   X       = RR*x;
   Y       = RR*y;
   Z       = RR*z;
end
if H3/W3 < 1 & H3/W3 > 0.85 & abs(Sb3/Sa3 - 0.6) <0.07
    RR     = round((H3+W3)/4);
   [x,y,z]=yuanpan(RR,RR/2);
   X       = RR*x;
   Y       = RR*y;
   Z       = RR*z;
end
if H3/W3 < 0.6 & H3/W3 > 0.5 & abs(Sb3/Sa3 - 0.8) <0.05
   XR = W3;
   YR = W3/2;
   ZR = H3/2;
   [x,y,z]=ellipsoid(0,0,0,XR,YR,ZR,40);
   X       = x;
   Y       = y;
   Z       = z;
end

4.操作步骤与仿真结论

4.参考文献

[1]程朋根, 龚健雅, 史文中,等. 基于似三棱柱体的地质体三维建模与应用研究[J]. 武汉大学学报(信息科学版), 2004.

A19-11

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