直线插补与圆弧插补程序设计.doc

直线插补与圆弧插补程序设计一直线插补1.直线插补程序流程图 置FM=0输入XE、YE、XOY、NXYFM0?XOR=1或4？XOR=1或2？ZF=1ZF=2ZF=3ZF=4FM=FM-YEFM=FM+YE调用走步控制程序NXY=NXY-1NXY=0?开始 结束YNYNYNYN 直线插补程序流程图2.直线插补程序设计#include #include#includevoidcb_line(intx1,inty1,intx2,inty2) intdx,dy,n,k,i,f; intx,y; dx=abs(x2-x1); dy=abs(y2-y1); n=dx+dy; if(x2=x1) k=y2=y1?1:4; x=x1; y=y1; else k=y2=y1?2:3; x=x2; y=y2; putpixel(x,y,1); for(i=0,f=0;i=0) switch(k) case1: putpixel(x+,y,1); f-=dy; break; case2: putpixel(x,y+,1); f-=dx; break; case3: putpixel(x-,y,1); f-=dy; break; case4: putpixel(x,y-,1); f-=dx; break; else switch(k) case1: putpixel(x,y+,1); f+=dx; break; case2: putpixel(x-,y,1); f+=dy; break; case3: putpixel(x,y-,1); f+=dx; break; case4: putpixel(x+,y,1); f+=dy; break; intmain() cb_line(0,0,15,20);/*-youforgot;here*/ return0;二.圆弧插补2.1.四象限圆弧插补程序流程图ZF=4ZF=4RNS=1，6？RNS=2，5？输入X0、Y0、NXY、RNS置FM=0、XM=X0、YM=Y0RNS=1，2，6，8？FM0？FM0？RNS=2，7？RNS=1，8？ZF=3ZF=2ZF=1ZF=1ZF=2ZF=3FM=FM-2XM=1FM=FM+2XM=1FM=FM-2YM=1FM=FM+2YM+1YM=YM+1YM=XM-1YM=XM+1YM=YM-1调用走步控制程序NXY=NXY-1NXY=0?结束NNYNYYNNYNYNYNYN NNN2.1四象限圆弧插补程序设计#include #include int ArcXY(double dfx0,double dfy0,double dfrx, double dfry,int angle);int symbol(double number);main()ArcXY(0,0,-3,5,360);getch();int ArcXY(double dfx0,double dfy0,double dfrx, double dfry,int angle) FILE *f1; double i,j,dx,dy,dfr,x,y,ang,step,f = 0.01; int flag,tempx,tempy,statex,statey,direction = 1; dfr = sqrt(dfrx - dfx0) * (dfrx - dfx0) + (dfry - dfy0) * (dfry - dfy0); if(dfx0 = 0) dfx0 = 1; dfrx = dfrx + 1; statex =1; if(dfy0 = 0) dfy0 = 1; dfry = dfry + 1; statey =1; dfrx = 2 * dfx0 - dfrx; i = dfx0 - dfrx; j = dfy0 - dfry; x = dfx0 ; y = dfy0 ; step = ang = 180 * 2 * asin(f/(2*dfr)/3.1415926; if(dfx0 0) & (dfy0 0) | (dfx0 0) & (dfy0 0) flag = direction; if(dfx0 0) | (dfx0 0) & (dfy0 0) flag = -direction; f1=fopen(c:c.txt,w+); if(statex =1) x = x - 1; if(st