Changeset cc21cd for src/Tesselation/tesselation.cpp

Timestamp:

Mar 27, 2012, 3:53:36 PM (13 years ago)

Author:

Frederik Heber <heber@…>

Branches:

Action_Thermostats, Add_AtomRandomPerturbation, Add_FitFragmentPartialChargesAction, Add_RotateAroundBondAction, Add_SelectAtomByNameAction, Added_ParseSaveFragmentResults, AddingActions_SaveParseParticleParameters, Adding_Graph_to_ChangeBondActions, Adding_MD_integration_tests, Adding_ParticleName_to_Atom, Adding_StructOpt_integration_tests, AtomFragments, Automaking_mpqc_open, AutomationFragmentation_failures, Candidate_v1.5.4, Candidate_v1.6.0, Candidate_v1.6.1, ChangeBugEmailaddress, ChangingTestPorts, ChemicalSpaceEvaluator, CombiningParticlePotentialParsing, Combining_Subpackages, Debian_Package_split, Debian_package_split_molecuildergui_only, Disabling_MemDebug, Docu_Python_wait, EmpiricalPotential_contain_HomologyGraph, EmpiricalPotential_contain_HomologyGraph_documentation, Enable_parallel_make_install, Enhance_userguide, Enhanced_StructuralOptimization, Enhanced_StructuralOptimization_continued, Example_ManyWaysToTranslateAtom, Exclude_Hydrogens_annealWithBondGraph, FitPartialCharges_GlobalError, Fix_BoundInBox_CenterInBox_MoleculeActions, Fix_ChargeSampling_PBC, Fix_ChronosMutex, Fix_FitPartialCharges, Fix_FitPotential_needs_atomicnumbers, Fix_ForceAnnealing, Fix_IndependentFragmentGrids, Fix_ParseParticles, Fix_ParseParticles_split_forward_backward_Actions, Fix_PopActions, Fix_QtFragmentList_sorted_selection, Fix_Restrictedkeyset_FragmentMolecule, Fix_StatusMsg, Fix_StepWorldTime_single_argument, Fix_Verbose_Codepatterns, Fix_fitting_potentials, Fixes, ForceAnnealing_goodresults, ForceAnnealing_oldresults, ForceAnnealing_tocheck, ForceAnnealing_with_BondGraph, ForceAnnealing_with_BondGraph_continued, ForceAnnealing_with_BondGraph_continued_betteresults, ForceAnnealing_with_BondGraph_contraction-expansion, FragmentAction_writes_AtomFragments, FragmentMolecule_checks_bonddegrees, GeometryObjects, Gui_Fixes, Gui_displays_atomic_force_velocity, ImplicitCharges, IndependentFragmentGrids, IndependentFragmentGrids_IndividualZeroInstances, IndependentFragmentGrids_IntegrationTest, IndependentFragmentGrids_Sole_NN_Calculation, JobMarket_RobustOnKillsSegFaults, JobMarket_StableWorkerPool, JobMarket_unresolvable_hostname_fix, MoreRobust_FragmentAutomation, ODR_violation_mpqc_open, PartialCharges_OrthogonalSummation, PdbParser_setsAtomName, PythonUI_with_named_parameters, QtGui_reactivate_TimeChanged_changes, Recreated_GuiChecks, Rewrite_FitPartialCharges, RotateToPrincipalAxisSystem_UndoRedo, SaturateAtoms_findBestMatching, SaturateAtoms_singleDegree, StoppableMakroAction, Subpackage_CodePatterns, Subpackage_JobMarket, Subpackage_LinearAlgebra, Subpackage_levmar, Subpackage_mpqc_open, Subpackage_vmg, Switchable_LogView, ThirdParty_MPQC_rebuilt_buildsystem, TrajectoryDependenant_MaxOrder, TremoloParser_IncreasedPrecision, TremoloParser_MultipleTimesteps, TremoloParser_setsAtomName, Ubuntu_1604_changes, stable

Children:

418b5e

Parents:

bdf6c8

git-author:

Frederik Heber <heber@…> (01/30/12 11:09:06)

git-committer:

Frederik Heber <heber@…> (03/27/12 15:53:36)

Message:

Added Tesselation::operator() that performs a tesselation on a given IPointCloud.

• also changed unit tests TesselationUnitTest and Tesselation_InsideOutSideUnitTest to use the new function in setUp().

File:

• src/Tesselation/tesselation.cpp (modified) (1 diff)

src/Tesselation/tesselation.cpp

@@ -87 +87 @@
   }
   LOG(0, "This envelope was written to file " << TriangleFilesWritten << " times(s).");
+}
+
+/** Performs tesselation of a given point \a cloud with rolling sphere of
+ * \a SPHERERADIUS.
+ *
+ * @param cloud point cloud to tesselate
+ * @param SPHERERADIUS radius of the rolling sphere
+ */
+void Tesselation::operator()(IPointCloud & cloud, const double SPHERERADIUS)
+{
+  // create linkedcell
+        LinkedCell_deprecated *LinkedList = new LinkedCell_deprecated(cloud, 2.*SPHERERADIUS);
+
+  FindStartingTriangle(SPHERERADIUS, LinkedList);
+
+  CandidateForTesselation *baseline = NULL;
+  BoundaryTriangleSet *T = NULL;
+  bool OneLoopWithoutSuccessFlag = true;
+  bool TesselationFailFlag = false;
+  while ((!OpenLines.empty()) && (OneLoopWithoutSuccessFlag)) {
+    // 2a. fill all new OpenLines
+    for (CandidateMap::iterator Runner = OpenLines.begin(); Runner != OpenLines.end(); Runner++) {
+      baseline = Runner->second;
+      if (baseline->pointlist.empty()) {
+        T = (((baseline->BaseLine->triangles.begin()))->second);
+        //the line is there, so there is a triangle, but only one.
+        TesselationFailFlag = FindNextSuitableTriangle(*baseline, *T, SPHERERADIUS, LinkedList);
+      }
+    }
+
+    // 2b. search for smallest ShortestAngle among all candidates
+    double ShortestAngle = 4.*M_PI;
+    for (CandidateMap::iterator Runner = OpenLines.begin(); Runner != OpenLines.end(); Runner++) {
+      if (Runner->second->ShortestAngle < ShortestAngle) {
+        baseline = Runner->second;
+        ShortestAngle = baseline->ShortestAngle;
+      }
+    }
+    if ((ShortestAngle == 4.*M_PI) || (baseline->pointlist.empty()))
+      OneLoopWithoutSuccessFlag = false;
+    else {
+      AddCandidatePolygon(*baseline, SPHERERADIUS, LinkedList);
+    }
+  }
 }