interpf.h

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/*
 * modified by Brown in June 1999 - added elatt & smatt
 * modified by Mitasova Nov. 9, 1999 - added parameter for dtens to output2d
 */
 
#include <grass/config.h>
#include <stdio.h>
#include <grass/gis.h>
#include <grass/raster.h>
#include <grass/vector.h>
#include <grass/bitmap.h>
#include <grass/dataquad.h>
#include <grass/qtree.h>
#include <grass/dbmi.h>
 
/* for resample program */
struct fcell_triple {
    double x;
    double y;
    FCELL z;
    double smooth;
};
 
#ifdef POINT2D_C
struct line_pnts *Pnts;
struct line_cats *Cats2;
dbDriver *driver2;
dbString sql2;
struct Map_info Map2;
struct field_info *ff;
int count;
#else
extern struct line_pnts *Pnts;
extern struct line_cats *Cats2;
extern dbDriver *driver2;
extern dbString sql2;
extern struct Map_info Map2;
extern struct field_info *ff;
extern int count;
#endif
 
struct interp_params;
 
typedef int grid_calc_fn(struct interp_params *, struct quaddata *, struct BM *,
                         double, double, double *, double *, double *, double *,
                         double *, double *, double *, double *, double *,
                         double *, off_t, double);
 
typedef int matrix_create_fn(struct interp_params *, struct triple *, int,
                             double **, int *);
 
typedef int check_points_fn(struct interp_params *, struct quaddata *, double *,
                            double *, double, double, struct triple);
 
typedef int secpar_fn(struct interp_params *, int, int, int, struct BM *,
                      double *, double *, double *, double *, double *,
                      double *, int, int);
 
typedef double interp_fn(double, double);
 
typedef int interpder_fn(double, double, double *, double *);
 
typedef int wr_temp_fn(struct interp_params *, int, int, off_t);
 
struct interp_params {
 
    double zmult; /**< multiplier for z-values */
 
    FILE *fdinp; /**< input stream */
 
    int elatt; /**< which floating point attr to use? first = 1, second = 2, etc
                */
 
    int smatt; /**< which floating point attr to use for smoothing? first = 1,
                  second = 2, etc */
 
    int kmin; /**< min number of points per segment for interpolation */
 
    int kmax; /**< max number of points per segment */
 
    char *maskmap; /**< name of mask */
 
    int nsizr, nsizc; /**< number of rows and columns */
 
    DCELL *az, *adx, *ady, *adxx, *adyy, *adxy;
    /**< array for interpolated values */
 
    double fi; /**< tension */
 
    int KMAX2; /**< max num. of points for interp. */
 
    int scik1, scik2, scik3; /**< multipliers for interp. values */
 
    double rsm; /**< smoothing */
 
    char *elev, *slope, *aspect, *pcurv, *tcurv, *mcurv;
    /**< output files */
 
    double dmin; /**< min distance between points */
 
    double x_orig, y_orig; /**< origin */
 
    int deriv, cv; /**< 1 if compute partial derivs */
 
    double theta; /**< anisotropy angle, 0=East,counter-clockwise */
 
    double scalex; /**< anisotropy scaling factor */
 
    struct TimeStamp *ts; /**< timestamp for raster files */
 
    FILE *Tmp_fd_z, *Tmp_fd_dx, *Tmp_fd_dy, *Tmp_fd_xx, *Tmp_fd_yy, *Tmp_fd_xy;
    /**< temp files for writing interp. values */
 
    bool create_devi; /**< create deviations file? */
 
    grid_calc_fn *grid_calc; /**< calculates grid for given segm */
 
    matrix_create_fn *matrix_create; /**< creates matrix for a given segm */
 
    check_points_fn *check_points; /**< checks interp. func. at points */
 
    secpar_fn *secpar; /**< calculates aspect,slope,curv. */
 
    interp_fn *interp; /**< radial  based interp. function */
 
    interpder_fn *interpder; /**< interp. func. for derivatives */
 
    wr_temp_fn *wr_temp; /**< writes temp files */
 
    const char *wheresql; /**< SQL statement to select input points */
};
 
/* distance.c */
double IL_dist_square(double *, double *, int);
 
/* func2d.c */
double IL_crst(double, double);
int IL_crstg(double, double, double *, double *);
 
/* init2d.c */
void IL_init_params_2d(struct interp_params *, FILE *, int, int, double, int,
                       int, char *, int, int, DCELL *, DCELL *, DCELL *,
                       DCELL *, DCELL *, DCELL *, double, int, int, int, int,
                       double, char *, char *, char *, char *, char *, char *,
                       double, double, double, int, double, double, FILE *,
                       FILE *, FILE *, FILE *, FILE *, FILE *, bool,
                       struct TimeStamp *, int, const char *);
 
void IL_init_func_2d(struct interp_params *, grid_calc_fn *, matrix_create_fn *,
                     check_points_fn *, secpar_fn *, interp_fn *,
                     interpder_fn *, wr_temp_fn *);
/* input2d.c */
int IL_input_data_2d(struct interp_params *, struct tree_info *, double *,
                     double *, double *, double *, double *, double *, int *);
struct BM *IL_create_bitmask(struct interp_params *);
int translate_quad(struct multtree *, double, double, double, int);
 
/* interp2d.c */
int IL_grid_calc_2d(struct interp_params *, struct quaddata *, struct BM *,
                    double, double, double *, double *, double *, double *,
                    double *, double *, double *, double *, double *, double *,
                    off_t, double);
/* matrix.c */
int IL_matrix_create(struct interp_params *, struct triple *, int, double **,
                     int *);
int IL_matrix_create_alloc(struct interp_params *, struct triple *, int,
                           double **, int *, double *);
/* minmax.c */
int min1(int, int);
int max1(int, int);
double amax1(double, double);
double amin1(double, double);
 
/* newsegm2d.c */
int IL_interp_segments_new_2d(struct interp_params *, struct tree_info *,
                              struct multtree *, struct BM *, double, double,
                              double *, double *, double *, double *, double *,
                              double *, double *, double *, double *, int, int,
                              double);
/* output2d.c */
int IL_output_2d(struct interp_params *, struct Cell_head *, double, double,
                 double, double, double, double, double, double, double, double,
                 double, char *, double, int, int, int);
/* point2d.c */
int IL_check_at_points_2d(struct interp_params *, struct quaddata *, double *,
                          double *, double, double, struct triple);
/* resout2d.c */
/* resout2dmod.c */
int IL_resample_output_2d(struct interp_params *, double, double, double,
                          double, double, double, double, double, double,
                          double, double, char *, double *, struct Cell_head *,
                          struct Cell_head *, char *, int);
/* ressegm2d.c */
int IL_resample_interp_segments_2d(struct interp_params *, struct BM *, double,
                                   double, double *, double *, double *,
                                   double *, double *, double *, double *,
                                   double *, double *, off_t, double *, int,
                                   int, int, int, int, double, double, double,
                                   double, int);
/* secpar2d.c */
int IL_secpar_loop_2d(struct interp_params *, int, int, int, struct BM *,
                      double *, double *, double *, double *, double *,
                      double *, int, int);
/* segmen2d.c */
double smallest_segment(struct multtree *, int);
int IL_interp_segments_2d(struct interp_params *, struct tree_info *,
                          struct multtree *, struct BM *, double, double,
                          double *, double *, double *, double *, double *,
                          double *, double *, double *, double *, int, off_t,
                          double);
/* segmen2d_parallel.c */
int IL_interp_segments_2d_parallel(struct interp_params *, struct tree_info *,
                                   struct multtree *, struct BM *, double,
                                   double, double *, double *, double *,
                                   double *, double *, double *, double *,
                                   double *, double *, int, off_t, double, int);
/* vinput2d.c */
int IL_vector_input_data_2d(struct interp_params *, struct Map_info *, int,
                            char *, char *, struct tree_info *, double *,
                            double *, double *, double *, double *, double *,
                            int *, double *);
int process_point(double, double, double, double, struct tree_info *, double,
                  double *, double *, double *, double *, double *, double *,
                  int *, int *, int *);
/* write2d.c */
int IL_write_temp_2d(struct interp_params *, int, int, off_t);