| 1 | #include <stdio.h>
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| 2 | #include <string.h>
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| 3 | #include <stdlib.h>
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| 4 | #include <math.h>
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| 5 | #include "diag.h"
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| 6 | #include "geometry.h"
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| 7 | #include "init.h"
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| 8 |
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| 9 | extern char line[]; /* parsing buf. (init) */
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| 10 | extern char axisdev_filename[256], reflectivity_filename[256];
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| 11 |
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| 12 | float mean_refl; /* Mirror mean reflectivity 270-610 nm.
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| 13 | * AM June 2002.
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| 14 | */
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| 15 |
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| 16 | float ct_Focal_mean; /* focal dist. (mean) (cm) */
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| 17 | float ct_PSpread_mean; /* pt. spread fn. (mean) (cm) */
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| 18 | float ct_BlackSpot_rad; /* black spot radius (cm) */
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| 19 | float ct_RMirror; /* rad. of single mirror (cm) */
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| 20 | int ct_NMirrors=0; /* number of mirrors */
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| 21 | float ct_CameraWidth; /* camera width (cm) */
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| 22 | int ct_NPixels; /* number of pixels */
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| 23 | float ct_PixelWidth; /* pixel width (cm) */
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| 24 |
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| 25 | mirror *ct_data=NULL; /* ptr to mirror data */
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| 26 | FILE *ct_BinaryData=NULL; /* binary data for mirrors */
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| 27 | char ct_BinaryName[128]; /* binary data filename */
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| 28 |
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| 29 | int nReflectivity=0; /* elements in refl. table */
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| 30 | float *Reflectivity[2]; /* reflectivity table */
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| 31 | float *AxisDeviation[2]; /* axis deviation table */
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| 32 | float *ct_Focal; /* focal length table */
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| 33 |
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| 34 | /* Prototypes */
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| 35 | static void ReadMirrorTable(FILE *geofile);
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| 36 | static void ReadReflectivity(char *datname);
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| 37 | static void ReadAxisDev(char *datname);
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| 38 | static void ReadFocals(void);
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| 39 |
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| 40 | static void ReadMirrorTable(FILE *geofile)
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| 41 | { int i; /* Mirror index */
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| 42 |
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| 43 | if ((ct_data=(mirror *)malloc(sizeof(mirror)*ct_NMirrors)) == NULL)
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| 44 | FatalError(MIRR_ALLOC_FTL, ct_NMirrors);
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| 45 | Log(MIRR_ALLOC_LOG, ct_NMirrors);
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| 46 | Log(MIRR_TABLE_LOG);
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| 47 |
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| 48 | Log(READ_ASCII_LOG);
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| 49 | for (i=0; i<ct_NMirrors; i++)
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| 50 | {
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| 51 | if (12 != fscanf(geofile, "%d %f %f %f %f %f %f %f %f %f %f %f",
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| 52 | &ct_data[i].i, &ct_data[i].f,
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| 53 | &ct_data[i].sx, &ct_data[i].sy,
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| 54 | &ct_data[i].x, &ct_data[i].y, &ct_data[i].z,
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| 55 | &ct_data[i].theta, &ct_data[i].phi,
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| 56 | &ct_data[i].xn, &ct_data[i].yn, &ct_data[i].zn))
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| 57 | break;
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| 58 | }
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| 59 | if (i < ct_NMirrors)
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| 60 | FatalError(MIRR_FEW___FTL, i);
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| 61 |
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| 62 | } /* end of ReadMirrorTable */
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| 63 |
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| 64 | static void ReadReflectivity(char *datname)
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| 65 | {
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| 66 | FILE *datfile = fopen(datname, "r");
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| 67 | int current = 0;
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| 68 |
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| 69 | mean_refl = 0.;
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| 70 |
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| 71 | if (datfile == NULL)
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| 72 | FatalError(RFLF_ERROR_FTL, datname);
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| 73 | else
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| 74 | printf("Reading file %s\n", datname);
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| 75 |
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| 76 | while (fgets(line, LINE_MAX_LENGTH, datfile))
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| 77 | {
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| 78 | if (line[0] == '#') continue;
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| 79 |
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| 80 | if (nReflectivity == 0)
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| 81 | {
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| 82 | nReflectivity = atoi(line);
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| 83 | if (nReflectivity)
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| 84 | {
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| 85 | if ((Reflectivity[0] =
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| 86 | (float *) malloc(sizeof(float) * nReflectivity)) == NULL ||
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| 87 | (Reflectivity[1] =
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| 88 | (float *) malloc(sizeof(float) * nReflectivity)) == NULL)
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| 89 | FatalError(REFL_ALLOC_FTL, nReflectivity);
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| 90 | }
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| 91 | }
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| 92 | else if (2 == sscanf(line, "%f %f", &Reflectivity[0][current],
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| 93 | &Reflectivity[1][current]))
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| 94 | {
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| 95 | // Added June 2002, AM:
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| 96 | mean_refl += Reflectivity[1][current];
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| 97 | current++;
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| 98 | if (current >= nReflectivity) break;
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| 99 | }
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| 100 | }
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| 101 | fclose(datfile);
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| 102 |
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| 103 | nReflectivity = current;
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| 104 | if (current > 0)
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| 105 | mean_refl /= (float) current;
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| 106 |
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| 107 | } /* end of ReadReflectivity */
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| 108 |
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| 109 | static void ReadAxisDev(char *datname)
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| 110 | { FILE *datfile = fopen(datname, "r");
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| 111 | int current = 0;
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| 112 |
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| 113 | if (datfile == NULL)
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| 114 | FatalError(AXIS_ERROR_FTL, datname);
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| 115 | else
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| 116 | printf("Reading file %s\n", axisdev_filename);
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| 117 |
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| 118 | if ((AxisDeviation[0]=
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| 119 | (float *) malloc(sizeof(float) * ct_NMirrors)) == NULL
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| 120 | || (AxisDeviation[1]=
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| 121 | (float *) malloc(sizeof(float) * ct_NMirrors)) == NULL)
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| 122 | FatalError(AXIS_ALLOC_FTL, ct_NMirrors);
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| 123 | while (fgets(line, LINE_MAX_LENGTH, datfile))
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| 124 | { if (line[0] == '#') continue;
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| 125 | if (2==sscanf(line, "%f %f",
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| 126 | &AxisDeviation[0][current], &AxisDeviation[1][current]));
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| 127 | { current++;
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| 128 | if (current >= ct_NMirrors) break; }}
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| 129 | fclose(datfile);
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| 130 |
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| 131 | if (current != ct_NMirrors)
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| 132 | FatalError(AXIS_FEW___FTL, current, ct_NMirrors);
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| 133 | } /* end of ReadAxisDev */
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| 134 |
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| 135 | static void ReadFocals(void)
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| 136 | { int loop;
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| 137 |
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| 138 | if ((ct_Focal = (float *) malloc(sizeof(float) * ct_NMirrors)) == NULL)
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| 139 | FatalError(FOCL_FEW___FTL, ct_NMirrors);
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| 140 |
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| 141 | for (loop=0; loop<ct_NMirrors; loop++)
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| 142 | ct_Focal[loop] = ct_data[loop].f;
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| 143 | } /* end of ReadFocals */
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| 144 |
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| 145 | void GeometrySwitch(FILE *geofile)
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| 146 | { char *value_ptr = NULL; /* ptr at parm value */
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| 147 | int switch_end = FALSE; /* bool to exit loop */
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| 148 | extern char whites[]; /* white chars (init) */
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| 149 | extern int ParseLine(FILE *parfile, /* FILE with parms */
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| 150 | const char *token_list[], /* array w/tokens */
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| 151 | int tokens, /* nr of tokens */
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| 152 | char **value_ptr); /* ptr->parm val. */
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| 153 |
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| 154 | /* Initialise arrays */
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| 155 | Reflectivity[0] = AxisDeviation[0] = NULL;
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| 156 |
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| 157 | do
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| 158 | { switch(ParseLine(geofile, ctparms, ARRAY_SZ(ctparms), &value_ptr))
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| 159 | { case type:
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| 160 | if (1 != atoi(value_ptr))
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| 161 | FatalError(TYPE_ERROR_FTL);
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| 162 | break;
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| 163 | case focal_distance:
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| 164 | Log(LOG__FLOAT_LOG, "focal distance (average, cm)",
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| 165 | ct_Focal_mean = (float) atof(value_ptr));
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| 166 | break;
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| 167 | case focal_std: /* not implemented. */
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| 168 | break;
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| 169 | case point_spread:
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| 170 | Log(LOG__FLOAT_LOG, "point spread fn. sigma (average, cm)",
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| 171 | ct_PSpread_mean = (float) atof(value_ptr));
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| 172 | break;
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| 173 | case point_std: /* not implemented */
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| 174 | break;
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| 175 | case adjustment_dev: /* not implemented */
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| 176 | break;
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| 177 | case black_spot:
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| 178 | Log(LOG__FLOAT_LOG, "radius of black spot (cm)",
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| 179 | ct_BlackSpot_rad = (float) atof(value_ptr));
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| 180 | break;
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| 181 | case n_mirrors:
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| 182 | Log(LOG__INT___LOG, "number of mirrors",
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| 183 | ct_NMirrors = atoi(value_ptr));
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| 184 | break;
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| 185 | case r_mirror:
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| 186 | Log(LOG__FLOAT_LOG, "single mirror radius (cm)",
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| 187 | ct_RMirror = (float) atof(value_ptr));
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| 188 | break;
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| 189 | case camera_width:
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| 190 | Log(LOG__FLOAT_LOG, "camera radius (cm)",
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| 191 | ct_CameraWidth = (float) atof(value_ptr));
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| 192 | break;
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| 193 | case n_pixels:
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| 194 | Log(LOG__INT___LOG, "number of pixels",
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| 195 | ct_NPixels = atoi(value_ptr));
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| 196 | break;
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| 197 | case pixel_width:
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| 198 | Log(LOG__FLOAT_LOG, "pixel width (cm)",
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| 199 | ct_PixelWidth = (float) atof(value_ptr));
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| 200 | break;
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| 201 | case n_centralpixels:
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| 202 | /* this parameter is for camera, not for reflector */
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| 203 | break;
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| 204 | case n_gappixels:
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| 205 | /* this parameter is for camera, not for reflector */
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| 206 | break;
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| 207 | case refl_file:
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| 208 | ReadReflectivity(value_ptr);
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| 209 | break;
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| 210 | case axisdev_file:
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| 211 | ReadAxisDev(value_ptr);
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| 212 | break;
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| 213 | case define_mirrors:
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| 214 | if (ct_NMirrors) ReadMirrorTable(geofile);
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| 215 | else FatalError(MIRR_NSPEC_FTL);
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| 216 | switch_end = TRUE;
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| 217 | break;
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| 218 | default: switch_end = TRUE;
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| 219 | break; }}
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| 220 | while (!switch_end);
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| 221 | fclose(geofile);
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| 222 |
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| 223 | if (strlen(reflectivity_filename) == 0)
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| 224 | strcpy(reflectivity_filename, REFLECTIVITY_FILE);
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| 225 | if (Reflectivity[0] == NULL) ReadReflectivity(reflectivity_filename);
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| 226 |
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| 227 | if (strlen(axisdev_filename) == 0)
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| 228 | strcpy(axisdev_filename, AXISDEVIATION_FILE);
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| 229 | if (AxisDeviation[0]== NULL) ReadAxisDev(axisdev_filename);
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| 230 |
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| 231 |
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| 232 | ReadFocals();
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| 233 | } /* end of GeometrySwitch */
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| 234 |
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