Changeset 15621c for LinearAlgebra/src

Timestamp:

Sep 26, 2012, 5:25:30 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:

3a51bd

Parents:

1795c9

git-author:

Frederik Heber <heber@…> (09/26/12 12:40:41)

git-committer:

Frederik Heber <heber@…> (09/26/12 17:25:30)

Message:

Added Plane::SignedDistance() function.

• function used on Plane::onSameSide() and in Plane::distance().
• this function can be used for deciding on which side plane a Vector lies.

Location:

LinearAlgebra/src/LinearAlgebra

Files:

• Plane.cpp (modified) (1 diff)
• Plane.hpp (modified) (1 diff)

LinearAlgebra/src/LinearAlgebra/Plane.cpp

@@ -238 +238 @@
 
 bool Plane::onSameSide(const Vector &point1,const Vector &point2) const{
-  return sign(point1.ScalarProduct(*normalVector)-offset) ==
-         sign(point2.ScalarProduct(*normalVector)-offset);
+  return sign(SignedDistance(point1)) ==
+         sign(SignedDistance(point2));
+}
+
+double Plane::SignedDistance(const Vector &point) const
+{
+  return (point.ScalarProduct(*normalVector)-offset);
 }
 

LinearAlgebra/src/LinearAlgebra/Plane.hpp

@@ -77 +77 @@
   bool onSameSide(const Vector&,const Vector&) const;
 
+  /** Returns the signed distance that additionally tells on which side with
+   * respect to the normal vector the given \a point lies
+   *
+   * This function can be used to decide on which side of this plane a given
+   * \a point lies, just by looking at the returned side.
+   *
+   * @param point point to calculate signed distance to
+   * @return >0 - point is on side pointed by Plane::normalVector, <0 - else
+   */
+  double SignedDistance(const Vector &point) const;
+
   /****** Methods inherited from Space ***********/