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Tina6/tina-libs/tina/geometry/geom_SplineDef.h

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  1 /**********
  2  * 
  3  * This file is part of the TINA Open Source Image Analysis Environment
  4  * henceforth known as TINA
  5  *
  6  * TINA is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License as 
  8  * published by the Free Software Foundation.
  9  *
 10  * TINA is distributed in the hope that it will be useful,
 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  * GNU General Public License for more details.
 14  *
 15  * You should have received a copy of the GNU General Public License
 16  * along with TINA; if not, write to the Free Software Foundation, Inc., 
 17  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  *
 19  * ANY users of TINA who require exemption from the existing licence must
 20  * negotiate a new licence with Dr. Neil.A.Thacker, the sole agent for
 21  * the University of Manchester.
 22  *
 23  **********
 24  * 
 25  * Program :    TINA
 26  * File    :  $Source: /home/tina/cvs/tina-libs/tina/geometry/geom_SplineDef.h,v $
 27  * Date    :  $Date: 2002/12/09 11:51:23 $
 28  * Version :  $Revision: 1.1.1.1 $
 29  * CVS Id  :  $Id: geom_SplineDef.h,v 1.1.1.1 2002/12/09 11:51:23 cvstina Exp $
 30  *
 31  * Notes :  1D uniform cubic B-spline 
 32  *
 33  *********
 34 */
 35 
 36 #ifndef TINA_GEOM_SPLINE_DEF_HDR
 37 #define TINA_GEOM_SPLINE_DEF_HDR
 38 
 39 #include <tina/sys/sysDef.h>
 40 
 41 typedef struct ucbs
 42 {
 43     Ts_id ts_id;                /* Tina structure identifier */
 44     int type;                   /** LOOP or STRING **/
 45 
 46     /** controls **/
 47     int n;                      /** number of intervals **/
 48     double *cx;                 /** control values      **/
 49 
 50     /** extra props **/
 51     List *props; 
 52 } Ucbs;
 53 #define UCBS_SWAP_STRING "ii.p"
 54 
 55 /**
 56 2D uniform cubic B-spline
 57 **/
 58 
 59 typedef struct ucbs2
 60 {
 61     Ts_id ts_id;                /* Tina structure identifier */
 62     int type;                   /** LOOP or STRING **/
 63 
 64     /** controls **/
 65     int n;                      /** number of intervals **/
 66     double *cx, *cy;            /** control points **/
 67 
 68     /** extra props **/
 69     List *props; 
 70 } Ucbs2;
 71 #define UCBS2_SWAP_STRING "ii..p"
 72 
 73 /**
 74 3D uniform cubic B-spline
 75 **/
 76 
 77 typedef struct ucbs3
 78 {
 79     Ts_id ts_id;                /* Tina structure identifier */
 80     int type;                   /** LOOP or STRING **/
 81 
 82     /** controls **/
 83     int n;                      /** number of intervals **/
 84     double *cx, *cy, *cz;       /** control points      **/
 85 
 86     /** extra props **/
 87     List *props; 
 88 } Ucbs3;
 89 #define UCBS3_SWAP_STRING "ii...p"
 90 
 91 /**
 92 2D interpolating cubic spline (goes through the knot points)
 93 **/
 94 
 95 typedef struct ics2
 96 {
 97     Ts_id ts_id;                /* Tina structure identifier */
 98     int type;                   /** LOOP or STRING **/
 99 
100     /** controls **/
101     int n;                      /** number of knots **/
102     double *t;                  /** parametric coefficients **/
103     double *x,  *y;             /** knot points **/
104     double *x2, *y2;            /** 2nd diffs **/
105 
106     /** extra props **/
107     List *props;
108 } Ics2;
109 #define ICS2_SWAP_STRING "ii.....p"
110 
111 /**
112 2D Kass-Witken snake
113 **/
114 
115 typedef struct kwsnake
116 {
117     Ts_id ts_id;                /* Tina structure identifier */
118     int type;                   /** LOOP or STRING   **/
119     int n;                      /** number of points **/
120     double *x, *y;              /** sample points    **/
121 } Kwsnake;
122 #define KWSNAKE_SWAP_STRING "ii.."
123 
124 #define KW_STEP     1
125 #define KW_MAXSTEP  2
126 #define KW_FULLSTEP 3
127 
128 #endif  /* TINA_GEOM_SPLINE_DEF_HDR */
129 
130 

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