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char *argv[] |
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) |
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{ |
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double width, delem, depth, rcurv = 0.0, angle; |
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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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/* CURVED BLIND CALCULATION */ |
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if (rcurv != 0) { |
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if (rcurv != 0.) { |
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/* BLINDS SUSTAINED ANGLE */ |
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theta = 2*asin(depth/(2*fabs(rcurv))); |
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theta = 2.*asin(depth/(2.*fabs(rcurv))); |
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/* HOW MANY ELEMENTARY SURFACES SHOULD BE CALCULATED ? */ |
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nsurf = (int)(theta / ((PI/180.)*DELTA)) + 1; |
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nsurf = (int)(theta / ((PI/180.)*DELTA) + 0.99999); |
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mydelta = (180./PI) * theta / nsurf; |
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/* WHAT IS THE DEPTH OF THE ELEMENTARY SURFACES ? */ |
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delem = 2*fabs(rcurv)*sin((PI/180.)*(DELTA/2.)); |
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delem = 2.*fabs(rcurv)*sin((PI/180.)*(mydelta/2.)); |
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beta = (PI-theta)/2.; |
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gamma = beta -((PI/180.)*angle); |
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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[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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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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A[2] *= -1.; |
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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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chi=(PI/180.)*((180.-mydelta)/2.) - (gamma+(k*(PI/180.)*mydelta)); |
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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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chi=(PI-(gamma+theta)+(k*(PI/180.)*mydelta))-(PI/180.)* |
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((180.-mydelta)/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]; |
173 |
> |
X[0]=(-fabs(rcurv))*cos(gamma+(k*(PI/180.)*mydelta))-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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X[2]=fabs(rcurv)*sin(gamma+(k*(PI/180.)*mydelta))-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]; |
178 |
> |
X[0]=fabs(rcurv)*cos(gamma+theta-(k*(PI/180.)*mydelta))-A[0]; |
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X[1]=0.; |
180 |
< |
X[2]=(-fabs(rcurv))*sin(gamma+theta-(k*(PI/180.)*DELTA))-A[2]; |
180 |
> |
X[2]=(-fabs(rcurv))*sin(gamma+theta-(k*(PI/180.)*mydelta))-A[2]; |
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} |
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for (i=0; i < 4; i++) { |
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/* FLAT BLINDS CALCULATION */ |
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193 |
< |
if (rcurv == 0.) { |
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> |
else { |
194 |
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nsurf=1; |
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makeflat(width,depth,angle*(PI/180.)); |