Hermite curves | Student Projects https://studentprojects.in Microcontroller projects, Circuit Diagrams, Project Ideas Fri, 02 Oct 2009 10:26:54 +0000 en-US hourly 1 https://wordpress.org/?v=6.1.7 C Program to implement Hermite curves for a given set of control points. https://studentprojects.in/software-development/c-tutorials/c/graphics/c-program-to-implement-hermite-curves-for-a-given-set-of-control-points/ https://studentprojects.in/software-development/c-tutorials/c/graphics/c-program-to-implement-hermite-curves-for-a-given-set-of-control-points/#comments Fri, 02 Oct 2009 10:26:54 +0000 http://studentprojects.in/?p=836 point p1,p2;
printf("Enter 2 hermite points:\n");
scanf("%d%d%d%d",&p1.x,&p1.y,&p2.x,&p2.y);
printf("Enter the tangents at p1,p4");
scanf("%d%d",&r1,&r4);
cleardevice();

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]]> #include #include #include #include struct point { int x,y; }; void hermite(point p1,point p4,double r1,double r4) { float x,y,t; for(t=0.0;t<=1.0;t+=.001) { x=(2*t*t*t-3*t*t+1)*p1.x+(-2*t*t*t+3*t*t)*p4.x+(t*t*t-2*t*t+t)*r1+(t*t*t-t*t)*r4; y=(2*t*t*t-3*t*t+1)*p1.y+(-2*t*t*t+3*t*t)*p4.y+(t*t*t-2*t*t+1)*r1+(t*t*t-t*t)*r4; putpixel(x,y,YELLOW); } } int main() { int gd=DETECT,gm; double r1,r4; initgraph(&gd,&gm,"..//BGI"); point p1,p2; printf("Enter 2 hermite points:\n"); scanf("%d%d%d%d",&p1.x,&p1.y,&p2.x,&p2.y); printf("Enter the tangents at p1,p4"); scanf("%d%d",&r1,&r4); cleardevice(); hermite(p1,p2,r1,r4); putpixel(x1,y1,WHITE); putpixel(x2,y2,WHITE); getch(); closegraph(); return 0; }

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