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#include <stdio.h> |
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#include <stdlib.h> |
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#include <math.h> |
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#include <string.h> |
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#define PI 3.14159265358979323846 |
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#define DELTA 10. /* MINIMAL SUSTAINED ANGLE IN DEGREES */ |
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int nslats, nsurf; |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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double width, delem, depth, rcurv = 0.0, angle; |
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double beta, gamma, theta, chi; |
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int i, j, k, l; |
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static void makeflat(double w, double d, double a); |
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static void printslat(int n); |
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static void printhead(register int ac, register char **av); |
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if (argc != 8 && argc != 10) |
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goto userr; |
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material = argv[1]; |
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name = argv[2]; |
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depth = atof(argv[3]); |
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width = atof(argv[4]); |
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height = atof(argv[5]); |
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nslats = atoi(argv[6]); |
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angle = atof(argv[7]); |
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if (argc == 10) |
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if (!strcmp(argv[8], "-r")) |
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rcurv = atof(argv[9]); |
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else if (!strcmp(argv[8], "+r")) |
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rcurv = -atof(argv[9]); |
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else |
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goto userr; |
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|
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/* CURVED BLIND CALCULATION */ |
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|
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if (rcurv != 0) { |
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|
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/* BLINDS SUSTAINED ANGLE */ |
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|
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theta = 2*asin(depth/(2*fabs(rcurv))); |
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|
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/* HOW MANY ELEMENTARY SURFACES SHOULD BE CALCULATED ? */ |
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|
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nsurf = (theta / ((PI/180.)*DELTA)) + 1; |
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|
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/* WHAT IS THE DEPTH OF THE ELEMENTARY SURFACES ? */ |
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|
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delem = 2*fabs(rcurv)*sin((PI/180.)*(DELTA/2.)); |
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|
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beta = (PI-theta)/2.; |
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gamma = beta -((PI/180.)*angle); |
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|
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|
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|
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if (rcurv < 0) { |
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A[0]=fabs(rcurv)*cos(gamma); |
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A[0] *= -1; |
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A[1]=0.; |
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A[2]=fabs(rcurv)*sin(gamma); |
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} |
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if (rcurv > 0) { |
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A[0]=fabs(rcurv)*cos(gamma+theta); |
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A[1]=0.; |
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A[2]=fabs(rcurv)*sin(gamma+theta); |
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A[2] *= -1; |
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} |
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|
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for (k=0; k < nsurf; k++) { |
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if (rcurv < 0) { |
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chi=(PI/180.)*((180.-DELTA)/2.) - (gamma+(k*(PI/180.)*DELTA)); |
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} |
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if (rcurv > 0) { |
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chi=(PI-(gamma+theta)+(k*(PI/180.)*DELTA))-(PI/180.)* |
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((180.-DELTA)/2.); |
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} |
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makeflat(width, delem, chi); |
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if (rcurv < 0.) { |
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X[0]=(-fabs(rcurv))*cos(gamma+(k*(PI/180.)*DELTA))-A[0]; |
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X[1]=0.; |
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X[2]=fabs(rcurv)*sin(gamma+(k*(PI/180.)*DELTA))-A[2]; |
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} |
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if (rcurv > 0.) { |
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X[0]=fabs(rcurv)*cos(gamma+theta-(k*(PI/180.)*DELTA))-A[0]; |
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X[1]=0.; |
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X[2]=(-fabs(rcurv))*sin(gamma+theta-(k*(PI/180.)*DELTA))-A[2]; |
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} |
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|
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for (i=0; i < 4; i++) { |
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for (j=0; j < 3; j++) { |
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baseblind[i][j][k] = baseflat[i][j]+X[j]; |
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} |
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} |
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} |
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} |
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|
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/* FLAT BLINDS CALCULATION */ |
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|
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if (rcurv == 0.) { |
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|
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nsurf=1; |
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makeflat(width,depth,angle*(PI/180.)); |
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for (i=0; i < 4; i++) { |
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for (j=0; j < 3; j++) { |
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baseblind[i][j][0] = baseflat[i][j]; |
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} |
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} |
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} |
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|
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printhead(argc, argv); |
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|
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|
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/* REPEAT THE BASIC CURVED OR FLAT SLAT TO GET THE OVERALL BLIND */ |
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|
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for (l = 1; l <= nslats; l++) |
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printslat(l); |
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exit(0); |
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userr: |
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fprintf(stderr, |
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"Usage: %s mat name depth width height nslats angle [-r|+r rcurv]\n", |
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argv[0]); |
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exit(1); |
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} |
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|
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|
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makeflat(w,d,a) |
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double w, d, a; |
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void |
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makeflat( |
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double w, |
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double d, |
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double a |
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) |
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{ |
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double h; |
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} |
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printslat(n) /* print slat # n */ |
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int n; |
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void |
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printslat( /* print slat # n */ |
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int n |
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) |
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{ |
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register int i, k; |
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|
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} |
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|
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printhead(ac, av) /* print command header */ |
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register int ac; |
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register char **av; |
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void |
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printhead( /* print command header */ |
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register int ac, |
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register char **av |
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) |
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{ |
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putchar('#'); |
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while (ac--) { |
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} |
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putchar('\n'); |
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} |
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|
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
104 |
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{ |
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double width, delem, depth, rcurv = 0.0, mydelta, angle; |
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double beta, gamma, theta, chi = 0; |
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int i, j, k, l; |
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|
109 |
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|
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if (argc != 8 && argc != 10) |
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goto userr; |
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material = argv[1]; |
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name = argv[2]; |
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depth = atof(argv[3]); |
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width = atof(argv[4]); |
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height = atof(argv[5]); |
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nslats = atoi(argv[6]); |
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angle = atof(argv[7]); |
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if (argc == 10) { |
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if (!strcmp(argv[8], "-r")) |
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rcurv = atof(argv[9]); |
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else if (!strcmp(argv[8], "+r")) |
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rcurv = -atof(argv[9]); |
124 |
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else |
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goto userr; |
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} |
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/* CURVED BLIND CALCULATION */ |
128 |
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|
129 |
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if (rcurv != 0.) { |
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|
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/* BLINDS SUSTAINED ANGLE */ |
132 |
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|
133 |
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theta = 2.*asin(depth/(2.*fabs(rcurv))); |
134 |
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|
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/* HOW MANY ELEMENTARY SURFACES SHOULD BE CALCULATED ? */ |
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|
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nsurf = (int)(theta / ((PI/180.)*DELTA) + 0.99999); |
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|
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mydelta = (180./PI) * theta / nsurf; |
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|
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/* WHAT IS THE DEPTH OF THE ELEMENTARY SURFACES ? */ |
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|
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delem = 2.*fabs(rcurv)*sin((PI/180.)*(mydelta/2.)); |
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|
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beta = (PI-theta)/2.; |
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gamma = beta -((PI/180.)*angle); |
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|
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|
149 |
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|
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if (rcurv < 0) { |
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A[0]=fabs(rcurv)*cos(gamma); |
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A[0] *= -1.; |
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A[1]=0.; |
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A[2]=fabs(rcurv)*sin(gamma); |
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} |
156 |
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if (rcurv > 0) { |
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A[0]=fabs(rcurv)*cos(gamma+theta); |
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A[1]=0.; |
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A[2]=fabs(rcurv)*sin(gamma+theta); |
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A[2] *= -1.; |
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} |
162 |
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|
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for (k=0; k < nsurf; k++) { |
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if (rcurv < 0) { |
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chi=(PI/180.)*((180.-mydelta)/2.) - (gamma+(k*(PI/180.)*mydelta)); |
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} |
167 |
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if (rcurv > 0) { |
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chi=(PI-(gamma+theta)+(k*(PI/180.)*mydelta))-(PI/180.)* |
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((180.-mydelta)/2.); |
170 |
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} |
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makeflat(width, delem, chi); |
172 |
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if (rcurv < 0.) { |
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X[0]=(-fabs(rcurv))*cos(gamma+(k*(PI/180.)*mydelta))-A[0]; |
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X[1]=0.; |
175 |
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X[2]=fabs(rcurv)*sin(gamma+(k*(PI/180.)*mydelta))-A[2]; |
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} |
177 |
+ |
if (rcurv > 0.) { |
178 |
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X[0]=fabs(rcurv)*cos(gamma+theta-(k*(PI/180.)*mydelta))-A[0]; |
179 |
+ |
X[1]=0.; |
180 |
+ |
X[2]=(-fabs(rcurv))*sin(gamma+theta-(k*(PI/180.)*mydelta))-A[2]; |
181 |
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} |
182 |
+ |
|
183 |
+ |
for (i=0; i < 4; i++) { |
184 |
+ |
for (j=0; j < 3; j++) { |
185 |
+ |
baseblind[i][j][k] = baseflat[i][j]+X[j]; |
186 |
+ |
} |
187 |
+ |
} |
188 |
+ |
} |
189 |
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} |
190 |
+ |
|
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/* FLAT BLINDS CALCULATION */ |
192 |
+ |
|
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+ |
else { |
194 |
+ |
|
195 |
+ |
nsurf=1; |
196 |
+ |
makeflat(width,depth,angle*(PI/180.)); |
197 |
+ |
for (i=0; i < 4; i++) { |
198 |
+ |
for (j=0; j < 3; j++) { |
199 |
+ |
baseblind[i][j][0] = baseflat[i][j]; |
200 |
+ |
} |
201 |
+ |
} |
202 |
+ |
} |
203 |
+ |
|
204 |
+ |
printhead(argc, argv); |
205 |
+ |
|
206 |
+ |
|
207 |
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/* REPEAT THE BASIC CURVED OR FLAT SLAT TO GET THE OVERALL BLIND */ |
208 |
+ |
|
209 |
+ |
for (l = 1; l <= nslats; l++) |
210 |
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printslat(l); |
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exit(0); |
212 |
+ |
userr: |
213 |
+ |
fprintf(stderr, |
214 |
+ |
"Usage: %s mat name depth width height nslats angle [-r|+r rcurv]\n", |
215 |
+ |
argv[0]); |
216 |
+ |
exit(1); |
217 |
+ |
} |
218 |
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|
219 |
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|
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|