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#include <string.h> |
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#include <ctype.h> |
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#include "rtmath.h" |
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#include "platform.h" |
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#include "color.h" |
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|
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char *progname; /* Program name */ |
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extern float * resize_dmatrix(float *mtx_data, int nsteps, int npatch); |
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extern void AddDirect(float *parr); |
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|
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|
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static const char * |
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getfmtname(int fmt) |
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{ |
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switch (fmt) { |
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case 'a': |
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return("ascii"); |
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case 'f': |
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return("float"); |
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case 'd': |
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return("double"); |
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} |
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return("unknown"); |
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} |
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|
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|
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int |
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main(int argc, char *argv[]) |
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{ |
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char buf[256]; |
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int doheader = 1; /* output header? */ |
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double rotation = 0; /* site rotation (degrees) */ |
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double elevation; /* site elevation (meters) */ |
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int dir_is_horiz; /* direct is meas. on horizontal? */ |
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case 'v': /* verbose progress reports */ |
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verbose++; |
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break; |
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case 'h': /* turn off header */ |
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doheader = 0; |
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break; |
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case 'o': /* output format */ |
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switch (argv[i][2]) { |
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case 'f': |
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s_meridian = DegToRad(s_meridian); |
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/* process each time step in tape */ |
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while (scanf("%d %d %lf %lf %lf\n", &mo, &da, &hr, &dir, &dif) == 5) { |
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static int step_alloc = 0; |
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double sda, sta; |
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/* make space for next time step */ |
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mtx_offset = 3*nskypatch*ntsteps++; |
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mtx_data = resize_dmatrix(mtx_data, ntsteps, nskypatch); |
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if (ntsteps > step_alloc) { |
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step_alloc += step_alloc>>1 + 8; |
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mtx_data = resize_dmatrix(mtx_data, step_alloc, nskypatch); |
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} |
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if (dif <= 1e-4) { |
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memset(mtx_data+mtx_offset, 0, sizeof(float)*3*nskypatch); |
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continue; |
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break; |
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} |
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/* write out matrix */ |
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if (outfmt != 'a') |
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SET_FILE_BINARY(stdout); |
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#ifdef getc_unlocked |
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flockfile(stdout); |
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#endif |
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if (verbose) |
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fprintf(stderr, "%s: writing %smatrix with %d time steps...\n", |
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progname, outfmt=='a' ? "" : "binary ", ntsteps); |
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if (doheader) { |
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newheader("RADIANCE", stdout); |
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printargs(argc, argv, stdout); |
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printf("LATLONG= %.8f %.8f\n", RadToDeg(s_latitude), |
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-RadToDeg(s_longitude)); |
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printf("NROWS=%d\n", nskypatch); |
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printf("NCOLS=%d\n", ntsteps); |
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printf("NCOMP=3\n"); |
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fputformat(getfmtname(outfmt), stdout); |
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putchar('\n'); |
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} |
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/* patches are rows (outer sort) */ |
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for (i = 0; i < nskypatch; i++) { |
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mtx_offset = 3*i; |
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fprintf(stderr, "%s: done.\n", progname); |
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exit(0); |
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userr: |
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fprintf(stderr, "Usage: %s [-v][-d|-s][-r deg][-m N][-g r g b][-c r g b][-o{f|d}][-O{0|1}] [tape.wea]\n", |
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> |
fprintf(stderr, "Usage: %s [-v][-h][-d|-s][-r deg][-m N][-g r g b][-c r g b][-o{f|d}][-O{0|1}] [tape.wea]\n", |
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progname); |
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exit(1); |
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fmterr: |
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/* Calculate relative horizontal illuminance */ |
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norm_diff_illum = CalcRelHorzIllum(parr); |
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|
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/* Check for zero sky -- make uniform in that case */ |
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if (norm_diff_illum <= FTINY) { |
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for (i = 1; i < nskypatch; i++) |
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setcolor(parr+3*i, 1., 1., 1.); |
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norm_diff_illum = PI; |
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} |
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/* Normalization coefficient */ |
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norm_diff_illum = diff_illum / norm_diff_illum; |
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|