- Generated by
1.8.11
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Woolz Image Processing
Version 1.7.5
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Functions for extracting contours from objects. More...
Macros | |
| #define | WLZ_CTR_TOLERANCE (1.0e-06) |
Typedefs | |
| typedef enum _WlzContourTriIsn2D | WlzContourTriIsn2D |
| typedef enum _WlzContourBndSamMethod | WlzContourBndSamMethod |
Enumerations | |
| enum | _WlzContourTriIsn2D { WLZ_CONTOUR_TIC2D_NONE, WLZ_CONTOUR_TIC2D_V1V0, WLZ_CONTOUR_TIC2D_V0V2, WLZ_CONTOUR_TIC2D_V2V1, WLZ_CONTOUR_TIC2D_V1S02, WLZ_CONTOUR_TIC2D_V0S21, WLZ_CONTOUR_TIC2D_V2S10, WLZ_CONTOUR_TIC2D_S10S02, WLZ_CONTOUR_TIC2D_S02S21, WLZ_CONTOUR_TIC2D_S21S10 } |
| Classification of the intersection of a line segment with a triangle. Typedef: WlzContourTriIsn2D. More... | |
| enum | _WlzContourBndSamMethod { WLZ_CONTOUR_BNDPTS_REGULAR, WLZ_CONTOUR_BNDPTS_RANDOM } |
| Boudary point sampling methods. Typedef: WlzContourBndSamMethod. More... | |
Functions | |
| WlzContour * | WlzContourObjGrd (WlzObject *srcObj, double ctrLo, double ctrHi, double ctrWth, int nrmFlg, WlzErrorNum *dstErr) |
| Creates a contour (list of connected edges or surface patches) from a Woolz object with values using a maximal gradient algorithm and retains the gradient vectors. The gradient vectors are only valid for valid vertex indicies and do not have unit length. More... | |
| WlzContour * | WlzContourObj (WlzObject *srcObj, WlzContourMethod ctrMtd, double ctrVal, double ctrWth, int nrmFlg, WlzErrorNum *dstErr) |
| Creates a contour (list of connected edges or surface patches) from a Woolz object's values. The source object should either a 2D or 3D domain object with values. This is the top level contour generation function which calls the appropriate function for the given contour type (dimension) and generation method. The given contour value is taken to be the iso-value for iso-value contours and the minimum gradient threshold value for maximal gradient contours. The contour width parameter is only used for maximal gradient contours where it is used to generate a recursive Deriche filter, see WlzRsvFilter(). More... | |
| WlzContour * | WlzContourFromPoints (WlzObject *dObj, WlzVertexType vtxType, int nSPts, WlzVertexP sPts, double sAlpha, int nIPts, WlzVertexP iPts, double iDist, double iAlpha, int nOPts, WlzVertexP oPts, double oDist, double oAlpha, double delta, double tau, double samFac, WlzErrorNum *dstErr) |
| Given three points sets: On, inside and outside some curve this function computes a contour for the curve. This is done by approximating (or interpolating) the distance function for the curve using multi order spline radial basis functions. The contour is then computed from the zero level set of the radial basis functions within the given distance object. The distance object sampling factor is used to subsample the distance object prior to cuting the zero value isosurface. The surface computed from a sampled distance object is then transformed using the inverse of the sampling transform. More... | |
| WlzContour * | WlzContourGrdObj2D (WlzObject *srcObj, WlzObject *gGXObj, WlzObject *gGYObj, double grdLo, double grdHi, double ftrPrm, int nrmFlg, WlzErrorNum *dstErr) |
| Creates an maximal gradient contour (list of edges) from a 2D Woolz object's values. More... | |
| WlzContour * | WlzContourRBFBndObj3D (WlzObject *gObj, int bErosion, int bDilation, int sDilation, int sFac, int oFac, double sAlpha, double oAlpha, double delta, double tau, double samFac, WlzErrorNum *dstErr) |
| Computes a 3D contour from the boundary of the given objects domain by extracting the zero level set of an approximate signed distance function computed using a multi-order spline radial basis function. The distance object sampling factor is used to subsample the distance object prior to cuting the zero value isosurface. The surface computed from a sampled distance object is then transformed using the inverse of the sampling transform. More... | |
Functions for extracting contours from objects.
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.
| #define WLZ_CTR_TOLERANCE (1.0e-06) |
Referenced by WlzContourRBFBndObj3D().
| typedef enum _WlzContourTriIsn2D WlzContourTriIsn2D |
| typedef enum _WlzContourBndSamMethod WlzContourBndSamMethod |
1.8.11