麻烦大神帮我看看怎么做？

tuoni

+ x9 p# B3 q, {4 r4 S- @我需要把三个mesh绘图俺的曲面放在一个坐标系内，并且将三个曲面分别设置为三个不同三个的纯色显示，然后在图中标记出曲面的交点，麻烦大神帮我看看怎么做？贴上源程序。非常感谢！
( ]/ f" |7 |0 L7 Qnp=0:100;nd=0:100;ca=5;
/ G2 b: R/ ^$ }3 h[np,nd]=meshgrid(np,nd);
0 M) ?1 Y" W! i/ y. wPp2=1000+1.1.*nd+0.8.*(np-1);
Pd2=1000+np+0.6.*(nd-1);
Pp1=(2078.88+120+1106.6/6-(31/30).*np+0.62.*nd)./2;
Pd1=(2125.4+200+2991/55-0.775.*nd+(31/55).*np)./2;

Ua1=Pp1.*np-ca.*(np+nd);
" P" Q1 ?& a8 y+ Q/ L! t7 T* N: @+ SUa2=Pd1.*nd-ca.*(np+nd);
' ~+ L$ M+ R7 Y9 @4 `, ~3 xUa3=(Pp2-ca).*np+(Pd2-ca).*nd;
mesh(np,nd,Ua1,'FaceColor',[1,1,0]);
>> hold on;
>> mesh(np,nd,Ua2,'FaceColor',[1,0,0]);
% C3 m) w8 n  ]0 E( f>> hold on;
>>mesh(np,nd,Ua3,'FaceColor',[0,0,1]);
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2 ~2 p) E% v$ A+ r. m) C程序修改, mesh绘图, 图中标注交点

' K6 K# b4 b9 c  c
! I7 h+ A1 `1 [6 ~4 x2 i4 }1 n我这样出来的图根本看不出哪个是哪个，
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Colbie

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" P& j& N6 ]4 dh1 = surf(np,nd,Ua1,'FaceColor',[1,1,0],'FaceAlpha',1,'FaceAlpha',0.7,'MeshStyle','default','EdgeColor','k','EdgeAlpha',0.6,...
8 H' ~0 D4 n1 y& K8 x! \9 ~& h  Y, G! e    'AlignVertexCenters','on','LineStyle','-','LineWidth',0.8); hold on;
# ^  c( J4 \# S( D4 n3 f1 hh2 = surf(np,nd,Ua2,'FaceColor',[1,0,0],'FaceAlpha',1,'FaceAlpha',0.7,'MeshStyle','default','EdgeColor','k','EdgeAlpha',0.6,...
+ l* W4 L& @; e( K+ k* H    'AlignVertexCenters','on','LineStyle','-','LineWidth',0.8); hold on;
+ b+ ?0 m* @% R( Uh3 = surf(np,nd,Ua3,'FaceColor',[0,0,1],'FaceAlpha',1,'FaceAlpha',0.7,'MeshStyle','default','EdgeColor','k','EdgeAlpha',0.6,...
7 ^- o5 s- _7 y+ ~    'AlignVertexCenters','on','LineStyle','-','LineWidth',0.8);
4 n/ h7 [) I+ J, Czdiff01 = Ua1 - Ua2;
8 B# E4 B! m. g$ kC01 = contours(np,nd,zdiff01,[0 0]);
  j; N/ s7 V, r2 K% H# r) k3 kxline01 = C01(1,2:end);
' r& p* z% {6 X* d) Nyline01 = C01(2,2:end);
zline01 = interp2(np,nd,Ua1,xline01,yline01);
# |7 [/ ^' n1 S" N* Nzdiff02 = Ua1 - Ua3;
C02 = contours(np,nd,zdiff02,[0 0]);
8 I  E# B. @- I* W; Gxline02 = C02(1,2:end);
yline02 = C02(2,2:end);
zline02 = interp2(np,nd,Ua1,xline02,yline02);
; @! j4 t5 s. m% {zdiff03 = Ua2 - Ua3;
1 [7 p# l! B, e, zC03 = contours(np,nd,zdiff03,[0 0]);
& v/ ^0 l6 o( s( axline03 = C03(1,2:end);
yline03 = C03(2,2:end);
zline03 = interp2(np,nd,Ua2,xline03,yline03);
l1 = plot3(xline01,yline01,zline01,'g-','LineWidth',3);
l2 = plot3(xline02,yline02,zline02,'c-','LineWidth',3);
l3 = plot3(xline03,yline03,zline03,'k-','LineWidth',3);
legend([h1 h2 h3 l1 l2 l3],{'Surface01','Surface02','Surface03','Intersection01','Intersection02','Intersection03'},'Location','SoutheastOutside');
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tuoni

Colbie 发表于 2020-6-19 17:43
" v) t) S- K  i) X* hh1 = surf(np,nd,Ua1,'FaceColor',[1,1,0],'FaceAlpha',1,'FaceAlpha',0.7,'MeshStyle','default','E ...

0 S, ?+ i6 s4 O7 ]$ `非常感谢大神。
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