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/* $Id: geometry.h 3304 2011-01-17 15:25:59Z brideout $ */
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/* geometry definitions */
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/* */
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/* jmh 06/06/00 original */
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#ifndef _GEOMETRYH_
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#define _GEOMETRYH_
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/* Function declarations */
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double sprod(double a[3], double b[3]);
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int vadd(double a[3], double b[3], double c[3]);
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int vsub(double a[3], double b[3], double c[3]);
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int csconv(double *xp, double *yp, double *zp,
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double *rp, double *thetap, double *phip,
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int imode);
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int vctcnv(double *fxp, double *fyp, double *fzp,
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double *xp, double *yp, double *zp,
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double *frp, double *ftp, double *fpp,
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double *rp, double *thetap, double *phip,
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int imode);
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int point(double *srp, double *slatp, double *slonp,
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double *azp, double *elp, double *rangep,
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double *prp, double *glatp, double *glonp);
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int look(double *srp, double *slatp, double *slonp,
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double *prp, double *glatp, double *glonp,
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double *azp, double *elp, double *rangep);
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int convrt(int i, double *gdlatp, double *gdaltp,
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double *gclatp, double *rkmp);
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int rpcart (double *srp, double *slatp, double *slonp,
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double *azp, double *elp, double *rangep,
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double *rfxp, double *rfyp, double *rfzp,
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double *pfxp, double *pfyp, double *pfzp);
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int gdv(double *gdlatp, double *gclatp,
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double *frp, double *ftp, double *fpp,
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double *fxp, double *fyp, double *fzp);
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int los2geodetic(int kinst, double az, double el, double range,
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double *gdlatp, double *glonp, double *gdaltp);
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void solarzen_az(double ut, double gdlat, double glon, double * szen, double * saz);
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double solardist(double ut);
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double shadowheight(double ut, double gdlat, double glon);
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void sunrise_set(double ut,
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double gdlat,
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double glon,
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double gdalt,
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double * sunrise,
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double * sunset);
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#endif
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