DGtal  1.4.beta
testGeodesicsInHeat.cpp File Reference
#include <iostream>
#include "DGtal/base/Common.h"
#include "ConfigTest.h"
#include "DGtalCatch.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/dec/PolygonalCalculus.h"
#include "DGtal/dec/GeodesicsInHeat.h"
#include "DGtal/shapes/SurfaceMesh.h"
#include "DGtal/shapes/MeshHelpers.h"
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## Functions

TEST_CASE ("Testing GeodesicsInHeat")

## Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 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.

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Date
2021/09/21

Functions for testing class GeodesicsInHeat.

This file is part of the DGtal library.

Definition in file testGeodesicsInHeat.cpp.

## ◆ TEST_CASE()

 TEST_CASE ( "Testing GeodesicsInHeat" )

Definition at line 47 of file testGeodesicsInHeat.cpp.

48 {
50  std::vector<RealPoint> positions = { RealPoint( 0, 0, 0 ) ,
51  RealPoint( 1, 0, 0 ) ,
52  RealPoint( 0, 1, 0 ) ,
53  RealPoint( 1, 1, 0 ) ,
54  RealPoint( 0, 0, 1 ) ,
55  RealPoint( 1, 0, 1 ) ,
56  RealPoint( 0, 1, 1 ) ,
57  RealPoint( 1, 1, 1 ) ,
58  RealPoint( 1, 0, 2 ) ,
59  RealPoint( 0, 0, 2 ) };
60  std::vector<Mesh::Vertices> faces = { { 1, 0, 2, 3 },
61  { 0, 1, 5, 4 } ,
62  { 1, 3, 7, 5 } ,
63  { 3, 2, 6, 7 } ,
64  { 2, 0, 4, 6 } ,
65  { 4, 5, 8, 9 } };
66
67  Mesh box(positions.cbegin(), positions.cend(),
68  faces.cbegin(), faces.cend());
69
71
72
73  SECTION("Construction and basic operators")
74  {
76  REQUIRE( heat.isValid() == false );
77
78  trace.beginBlock("init solvers");
79  heat.init(0.1);
80  trace.endBlock();
81  REQUIRE( heat.isValid() );
82
85  REQUIRE( (size_t)d.size() == (size_t)positions.size() );
86  REQUIRE( d[5] == Approx(1.444608) );
87  heat.clearSource();
88  auto sources = heat.source();
89  REQUIRE(sources.sum() == 0);
90  }
91 }
This class implements on polygonal surfaces (using Discrete differential calculus on polygonal surfa...
Aim: This class is defined to represent a surface mesh through a set of vertices and faces....
Definition: Mesh.h:92
Implements differential operators on polygonal surfaces from .
void beginBlock(const std::string &keyword="")
double endBlock()
Trace trace
Definition: Common.h:153
Aim: Represents an embedded mesh as faces and a list of vertices. Vertices may be shared among faces ...
Definition: SurfaceMesh.h:92
SECTION("Testing constant forward iterators")
REQUIRE(domain.isInside(aPoint))
PointVector< 3, double > RealPoint