File size: 12,695 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 | // SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2012 Imetric 3D GmbH *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef MESHCORE_SEGMENTATION_H
#define MESHCORE_SEGMENTATION_H
#include <memory>
#include <vector>
#include "Curvature.h"
#include "MeshKernel.h"
#include "Visitor.h"
namespace MeshCore
{
class PlaneFit;
class CylinderFit;
class SphereFit;
class MeshFacet;
using MeshSegment = std::vector<FacetIndex>;
class MeshExport MeshSurfaceSegment
{
public:
explicit MeshSurfaceSegment(unsigned long minFacets)
: minFacets(minFacets)
{}
virtual ~MeshSurfaceSegment() = default;
MeshSurfaceSegment(const MeshSurfaceSegment&) = delete;
MeshSurfaceSegment(MeshSurfaceSegment&&) = delete;
MeshSurfaceSegment& operator=(const MeshSurfaceSegment&) = delete;
MeshSurfaceSegment& operator=(MeshSurfaceSegment&&) = delete;
virtual bool TestFacet(const MeshFacet& rclFacet) const = 0;
virtual const char* GetType() const = 0;
virtual void Initialize(FacetIndex);
virtual bool TestInitialFacet(FacetIndex) const;
virtual void AddFacet(const MeshFacet& rclFacet);
void AddSegment(const std::vector<FacetIndex>&);
const std::vector<MeshSegment>& GetSegments() const
{
return segments;
}
MeshSegment FindSegment(FacetIndex) const;
private:
std::vector<MeshSegment> segments;
unsigned long minFacets;
};
using MeshSurfaceSegmentPtr = std::shared_ptr<MeshSurfaceSegment>;
// --------------------------------------------------------
class MeshExport MeshDistanceSurfaceSegment: public MeshSurfaceSegment
{
public:
MeshDistanceSurfaceSegment(const MeshKernel& mesh, unsigned long minFacets, float tol)
: MeshSurfaceSegment(minFacets)
, kernel(mesh)
, tolerance(tol)
{}
protected:
// NOLINTBEGIN
const MeshKernel& kernel;
float tolerance;
// NOLINTEND
};
class MeshExport MeshDistancePlanarSegment: public MeshDistanceSurfaceSegment
{
public:
MeshDistancePlanarSegment(const MeshKernel& mesh, unsigned long minFacets, float tol);
~MeshDistancePlanarSegment() override;
MeshDistancePlanarSegment(const MeshDistancePlanarSegment&) = delete;
MeshDistancePlanarSegment(MeshDistancePlanarSegment&&) = delete;
MeshDistancePlanarSegment& operator=(const MeshDistancePlanarSegment&) = delete;
MeshDistancePlanarSegment& operator=(MeshDistancePlanarSegment&&) = delete;
bool TestFacet(const MeshFacet& face) const override;
const char* GetType() const override
{
return "Plane";
}
void Initialize(FacetIndex) override;
void AddFacet(const MeshFacet& face) override;
private:
Base::Vector3f basepoint;
Base::Vector3f normal;
PlaneFit* fitter;
};
class MeshExport AbstractSurfaceFit
{
public:
AbstractSurfaceFit() = default;
virtual ~AbstractSurfaceFit() = default;
AbstractSurfaceFit(const AbstractSurfaceFit&) = delete;
AbstractSurfaceFit(AbstractSurfaceFit&&) = delete;
AbstractSurfaceFit& operator=(const AbstractSurfaceFit&) = delete;
AbstractSurfaceFit& operator=(AbstractSurfaceFit&&) = delete;
virtual const char* GetType() const = 0;
virtual void Initialize(const MeshGeomFacet&) = 0;
virtual bool TestTriangle(const MeshGeomFacet&) const = 0;
virtual void AddTriangle(const MeshGeomFacet&) = 0;
virtual bool Done() const = 0;
virtual float Fit() = 0;
virtual float GetDistanceToSurface(const Base::Vector3f&) const = 0;
virtual std::vector<float> Parameters() const = 0;
};
class MeshExport PlaneSurfaceFit: public AbstractSurfaceFit
{
public:
PlaneSurfaceFit();
PlaneSurfaceFit(const Base::Vector3f& b, const Base::Vector3f& n);
~PlaneSurfaceFit() override;
PlaneSurfaceFit(const PlaneSurfaceFit&) = delete;
PlaneSurfaceFit(PlaneSurfaceFit&&) = delete;
PlaneSurfaceFit& operator=(const PlaneSurfaceFit&) = delete;
PlaneSurfaceFit& operator=(PlaneSurfaceFit&&) = delete;
const char* GetType() const override
{
return "Plane";
}
void Initialize(const MeshGeomFacet&) override;
bool TestTriangle(const MeshGeomFacet&) const override;
void AddTriangle(const MeshGeomFacet&) override;
bool Done() const override;
float Fit() override;
float GetDistanceToSurface(const Base::Vector3f&) const override;
std::vector<float> Parameters() const override;
private:
Base::Vector3f basepoint;
Base::Vector3f normal;
PlaneFit* fitter;
};
class MeshExport CylinderSurfaceFit: public AbstractSurfaceFit
{
public:
CylinderSurfaceFit();
CylinderSurfaceFit(const Base::Vector3f& b, const Base::Vector3f& a, float r);
~CylinderSurfaceFit() override;
CylinderSurfaceFit(const CylinderSurfaceFit&) = delete;
CylinderSurfaceFit(CylinderSurfaceFit&&) = delete;
CylinderSurfaceFit& operator=(const CylinderSurfaceFit&) = delete;
CylinderSurfaceFit& operator=(CylinderSurfaceFit&&) = delete;
const char* GetType() const override
{
return "Cylinder";
}
void Initialize(const MeshGeomFacet&) override;
bool TestTriangle(const MeshGeomFacet&) const override;
void AddTriangle(const MeshGeomFacet&) override;
bool Done() const override;
float Fit() override;
float GetDistanceToSurface(const Base::Vector3f&) const override;
std::vector<float> Parameters() const override;
private:
Base::Vector3f basepoint;
Base::Vector3f axis;
float radius;
CylinderFit* fitter;
};
class MeshExport SphereSurfaceFit: public AbstractSurfaceFit
{
public:
SphereSurfaceFit();
SphereSurfaceFit(const Base::Vector3f& c, float r);
~SphereSurfaceFit() override;
SphereSurfaceFit(const SphereSurfaceFit&) = delete;
SphereSurfaceFit(SphereSurfaceFit&&) = delete;
SphereSurfaceFit& operator=(const SphereSurfaceFit&) = delete;
SphereSurfaceFit& operator=(SphereSurfaceFit&&) = delete;
const char* GetType() const override
{
return "Sphere";
}
void Initialize(const MeshGeomFacet&) override;
bool TestTriangle(const MeshGeomFacet&) const override;
void AddTriangle(const MeshGeomFacet&) override;
bool Done() const override;
float Fit() override;
float GetDistanceToSurface(const Base::Vector3f&) const override;
std::vector<float> Parameters() const override;
private:
Base::Vector3f center;
float radius;
SphereFit* fitter;
};
class MeshExport MeshDistanceGenericSurfaceFitSegment: public MeshDistanceSurfaceSegment
{
public:
MeshDistanceGenericSurfaceFitSegment(
AbstractSurfaceFit*,
const MeshKernel& mesh,
unsigned long minFacets,
float tol
);
~MeshDistanceGenericSurfaceFitSegment() override;
MeshDistanceGenericSurfaceFitSegment(const MeshDistanceGenericSurfaceFitSegment&) = delete;
MeshDistanceGenericSurfaceFitSegment(MeshDistanceGenericSurfaceFitSegment&&) = delete;
MeshDistanceGenericSurfaceFitSegment& operator=(
const MeshDistanceGenericSurfaceFitSegment&
) = delete;
MeshDistanceGenericSurfaceFitSegment& operator=(MeshDistanceGenericSurfaceFitSegment&&) = delete;
bool TestFacet(const MeshFacet& face) const override;
const char* GetType() const override
{
return fitter->GetType();
}
void Initialize(FacetIndex) override;
bool TestInitialFacet(FacetIndex) const override;
void AddFacet(const MeshFacet& face) override;
std::vector<float> Parameters() const;
private:
AbstractSurfaceFit* fitter;
};
// --------------------------------------------------------
class MeshExport MeshCurvatureSurfaceSegment: public MeshSurfaceSegment
{
public:
MeshCurvatureSurfaceSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets)
: MeshSurfaceSegment(minFacets)
, info(ci)
{}
const CurvatureInfo& GetInfo(std::size_t pos) const
{
return info.at(pos);
}
private:
const std::vector<CurvatureInfo>& info;
};
class MeshExport MeshCurvaturePlanarSegment: public MeshCurvatureSurfaceSegment
{
public:
MeshCurvaturePlanarSegment(const std::vector<CurvatureInfo>& ci, unsigned long minFacets, float tol)
: MeshCurvatureSurfaceSegment(ci, minFacets)
, tolerance(tol)
{}
bool TestFacet(const MeshFacet& rclFacet) const override;
const char* GetType() const override
{
return "Plane";
}
private:
float tolerance;
};
class MeshExport MeshCurvatureCylindricalSegment: public MeshCurvatureSurfaceSegment
{
public:
MeshCurvatureCylindricalSegment(
const std::vector<CurvatureInfo>& ci,
unsigned long minFacets,
float tolMin,
float tolMax,
float curv
)
: MeshCurvatureSurfaceSegment(ci, minFacets)
, curvature(curv)
, toleranceMin(tolMin)
, toleranceMax(tolMax)
{}
bool TestFacet(const MeshFacet& rclFacet) const override;
const char* GetType() const override
{
return "Cylinder";
}
private:
float curvature;
float toleranceMin;
float toleranceMax;
};
class MeshExport MeshCurvatureSphericalSegment: public MeshCurvatureSurfaceSegment
{
public:
MeshCurvatureSphericalSegment(
const std::vector<CurvatureInfo>& ci,
unsigned long minFacets,
float tol,
float curv
)
: MeshCurvatureSurfaceSegment(ci, minFacets)
, curvature(curv)
, tolerance(tol)
{}
bool TestFacet(const MeshFacet& rclFacet) const override;
const char* GetType() const override
{
return "Sphere";
}
private:
float curvature;
float tolerance;
};
class MeshExport MeshCurvatureFreeformSegment: public MeshCurvatureSurfaceSegment
{
public:
MeshCurvatureFreeformSegment(
const std::vector<CurvatureInfo>& ci,
unsigned long minFacets,
float tolMin,
float tolMax,
float c1,
float c2
)
: MeshCurvatureSurfaceSegment(ci, minFacets)
, c1(c1)
, c2(c2)
, toleranceMin(tolMin)
, toleranceMax(tolMax)
{}
bool TestFacet(const MeshFacet& rclFacet) const override;
const char* GetType() const override
{
return "Freeform";
}
private:
float c1, c2;
float toleranceMin;
float toleranceMax;
};
class MeshExport MeshSurfaceVisitor: public MeshFacetVisitor
{
public:
MeshSurfaceVisitor(MeshSurfaceSegment& segm, std::vector<FacetIndex>& indices);
bool AllowVisit(
const MeshFacet& face,
const MeshFacet&,
FacetIndex,
unsigned long,
unsigned short neighbourIndex
) override;
bool Visit(const MeshFacet& face, const MeshFacet&, FacetIndex ulFInd, unsigned long) override;
private:
std::vector<FacetIndex>& indices;
MeshSurfaceSegment& segm;
};
class MeshExport MeshSegmentAlgorithm
{
public:
explicit MeshSegmentAlgorithm(const MeshKernel& kernel)
: myKernel(kernel)
{}
void FindSegments(std::vector<MeshSurfaceSegmentPtr>&);
private:
const MeshKernel& myKernel;
};
} // namespace MeshCore
#endif // MESHCORE_SEGMENTATION_H
|