1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// 08.05.30
function Out=Kukeiwake(PL)
global XMIN XMAX YMIN YMAX;
Eps=10.0^(-6);
NW=[XMIN,YMAX]; SW=[XMIN,YMIN];
SE=[XMAX,YMIN]; NE=[XMAX,YMAX];
Sikaku=[NW;SW;SE;NE;NW];
Kt=IntersectcrvsPp(PL,Sikaku);
if Mixlength(Kt)~=2
disp('not two points')
return
end
Tmp=Op(1,Kt);
Pt1=Op(1,Tmp);
N1=Trunc(Op(2,Tmp));
M1=Op(3,Tmp);
Tmp=Op(2,Kt);
Pt2=Op(1,Tmp);
N2=Trunc(Op(2,Tmp));
M2=Op(3,Tmp);
T1=ParamonCurve(Pt1,M1,Sikaku);
T2=ParamonCurve(Pt2,M2,Sikaku);
QL=[];
if Vecnagasa(Pt1,PL(N1+1,:))>Eps
QL=[Pt1];
end
QL=[QL;PL(N1+1:N2,:)];
if Vecnagasa(Pt2,PL(N2,:))>Eps
QL=[QL;Pt2];
end
HidariL=QL;
Ms=M2+1; Me=M1;
if T1<T2+Eps Me=M1+4; end
for M=Ms:Me
Tmp=HidariL(size(HidariL,1),:);
P=Sikaku(modulo(M-1,4)+1,:);
if Vecnagasa(Tmp,P)>Eps
HidariL=[HidariL;P];
end
end
Tmp=HidariL(size(HidariL,1),:);
if Vecnagasa(Tmp,Pt1)>Eps
HidariL=[HidariL;Pt1];
end
MigiL=QL;
Ms=M2; Me=M1+1;
if T1>T2-Eps Me=Me-4; end;
for M=Ms:-1:Me
Tmp=MigiL(size(MigiL,1),:);
P=Sikaku(modulo(M-1,4)+1,:);
if Vecnagasa(Tmp,P)>Eps
MigiL=[MigiL;P]
end
end
Tmp=MigiL(size(MigiL,1),:);
if Vecnagasa(Tmp,Pt1)>Eps
MigiL=[MigiL;Pt1];
end
Out=MixS(HidariL,MigiL);
endfunction
|