Wlz3DSubSection.c File Reference

Return a sub-region of a 3D section via a 3D section transform. More...

Macros
#define	WLZ_FAST_CODE
#define	WLZ_GETSUBSEC_POS(P, V, X, Y)
#define	WLZ_GETSUBSEC_VAL(G, V, K, Y)
#define	WLZ_GETSUBSEC_CONVAL(G, F0, F1, V, K, Y)

Functions
WlzObject *	WlzGetSubSectionFromObject (WlzObject *obj, WlzObject *subDomain, WlzThreeDViewStruct *view, WlzInterpolationType interp, WlzObject **maskRtn, WlzErrorNum *dstErr)
	Computes a section through the given 3D object. More...

Detailed Description

Return a sub-region of a 3D section via a 3D section transform.

Author

Richard Baldock, Bill Hill

Date

May 2008

Version

Id

d19546f00d06b01d7975e2e235c2f3064f9cacf9

Address: MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh, EH4 2XU, UK.

Copyright (C), [2012], The University Court of the University of Edinburgh, Old College, Edinburgh, UK.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Macro Definition Documentation

WLZ_FAST_CODE

#define WLZ_FAST_CODE

WLZ_GETSUBSEC_POS

#define WLZ_GETSUBSEC_POS	(		P,
			V,
			X,
			Y
	)

Value:

(P).vtX = (V)->xp_to_x[(X)] + (Y).vtX; \
  (P).vtY = (V)->xp_to_y[(X)] + (Y).vtY; \
  (P).vtZ = (V)->xp_to_z[(X)] + (Y).vtZ; \

WLZ_GETSUBSEC_VAL

#define WLZ_GETSUBSEC_VAL	(		G,
			V,
			K,
			Y
	)

Value:

{ \
  int           x; \
  WlzDVertex3   p; \
 \
  x = k - WLZ_NINT((V)->minvals.vtX); \
  WLZ_GETSUBSEC_POS(p,(V),x,(Y)) \
  WlzGreyValueGet((G), WLZ_NINT(p.vtZ), WLZ_NINT(p.vtY), WLZ_NINT(p.vtX)); \
}

WLZ_GETSUBSEC_CONVAL

#define WLZ_GETSUBSEC_CONVAL	(		G,
			F0,
			F1,
			V,
			K,
			Y
	)

Value:

{ \
  int           x; \
  WlzDVertex3   p; \
 \
  x = k - WLZ_NINT((V)->minvals.vtX); \
  WLZ_GETSUBSEC_POS(p,(V),x,(Y)) \
  WlzGreyValueGetCon((G), p.vtZ, p.vtY, p.vtX); \
  (F0).vtX = p.vtX - WLZ_NINT(p.vtX - 0.5); \
  (F0).vtY = p.vtY - WLZ_NINT(p.vtY - 0.5); \
  (F0).vtZ = p.vtZ - WLZ_NINT(p.vtZ - 0.5); \
  (F1).vtX = 1.0 - (F0).vtX; \
  (F1).vtY = 1.0 - (F0).vtY; \
  (F1).vtZ = 1.0 - (F0).vtZ; \
}