DGtal  1.3.beta
testGeodesicsInHeat.cpp
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1 
30 #include <iostream>
32 #include "DGtal/base/Common.h"
33 #include "ConfigTest.h"
34 #include "DGtalCatch.h"
35 #include "DGtal/helpers/StdDefs.h"
36 
37 #include "DGtal/dec/PolygonalCalculus.h"
38 #include "DGtal/dec/GeodesicsInHeat.h"
39 #include "DGtal/shapes/SurfaceMesh.h"
40 #include "DGtal/shapes/MeshHelpers.h"
42 
43 using namespace std;
44 using namespace DGtal;
45 using namespace Z3i;
46 
47 TEST_CASE( "Testing GeodesicsInHeat" )
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 
83  heat.addSource(0);
85  REQUIRE( d.size() == positions.size() );
86  REQUIRE( d[5] == Approx(1.444608) );
87  }
88 }
DGtal::Trace::endBlock
double endBlock()
DGtal::trace
Trace trace
Definition: Common.h:154
DGtal::SurfaceMesh
Aim: Represents an embedded mesh as faces and a list of vertices. Vertices may be shared among faces ...
Definition: SurfaceMesh.h:91
DGtal::Trace::beginBlock
void beginBlock(const std::string &keyword="")
REQUIRE
REQUIRE(domain.isInside(aPoint))
DGtal::PolygonalCalculus
Implements differential operators on polygonal surfaces from .
Definition: PolygonalCalculus.h:70
DGtal::Mesh
Aim: This class is defined to represent a surface mesh through a set of vertices and faces....
Definition: Mesh.h:91
DGtal
DGtal is the top-level namespace which contains all DGtal functions and types.
DGtal::GeodesicsInHeat
This class implements on polygonal surfaces (using Discrete differential calculus on polygonal surfa...
Definition: GeodesicsInHeat.h:62
DGtal::PointVector< dim, Integer >
SECTION
SECTION("Testing constant forward iterators")
Definition: testSimpleRandomAccessRangeFromPoint.cpp:66
TEST_CASE
TEST_CASE("Testing GeodesicsInHeat")
Definition: testGeodesicsInHeat.cpp:47
RealPoint
Z2i::RealPoint RealPoint
Definition: testAstroid2D.cpp:46