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#include <stdio.h> |
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#include <math.h> |
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#include "color.h" |
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#define PI 3.14159265358979323846 |
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extern char *gets(), *strcpy(); |
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extern double atof(); |
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extern float *matchlamp(); |
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/* lamp parameters */ |
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int (*check)(); |
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char *help; |
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} param[NPARAMS] = { |
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{ "lamp type", "white", typecheck, |
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{ "lamp type", "WHITE", typecheck, |
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"The lamp type is a string which corresponds to one of the types registered\n\ |
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in the lamp table file. A value of \"white\" means an uncolored source,\n\ |
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in the lamp table file. A value of \"WHITE\" means an uncolored source,\n\ |
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which may be preferable because it results in a color balanced image." }, |
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{ "length unit", "meter", unitcheck, |
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"Unit must be one of: \"meter\", \"centimeter\", \"foot\", or \"inch\".\n\ |
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{ |
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double whiteval; |
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whiteval = lumens/470./PI/area; |
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whiteval = lumens/area/(WHTEFFICACY*PI); |
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printf("Lamp color (RGB) = %f %f %f\n", |
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lampcolor[0]*whiteval, |
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getpolygon() /* get projected area for a polygon */ |
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{ |
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static double area = 1.0; |
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static double parea = 1.0; |
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getd("Polygon area", &area, |
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getd("Polygon area", &parea, |
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"Enter the total radiating area of the polygon."); |
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area = unit2meter*unit2meter * area; |
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area = unit2meter*unit2meter * parea; |
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return(1); |
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} |
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