Itasca C++ Interface
igeompoly.h
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1 #pragma once
2 // igeompoly.h
3 
6 
7 #include "ilinktype.h"
8 #include "dim.h"
9 #include "base/src/farray.h"
10 
11 namespace itasca {
12  class IThing;
13 }
14 
15 namespace itascaxd {
16  using namespace itasca;
17 
18  class IGeomPoint;
19  class IGeomEdge;
20  class GeomBase;
23  class IGeomPoly {
24  public:
26  inline static const TType type_ = 0x4c815bce;
27 
29  virtual IThing * getIThing()=0;
31  virtual const IThing * getIThing() const=0;
32 
34  virtual uint64 getSize() const=0;
36  virtual uint64 getNumFakeEdges() const =0;
38  virtual IGeomEdge * getEdge(uint32 index)=0;
40  virtual const IGeomEdge * getEdge(uint32 index) const=0;
45  virtual bool addEdge(IGeomEdge *edge,bool throwException=true,bool forceFlip=false)=0;
48  virtual IGeomEdge * removeEdge()=0;
50  virtual bool isValid() const=0;
52  virtual IGeomPoint * getPoint(uint32 index)=0;
54  virtual const IGeomPoint *getPoint(uint32 index) const=0;
57  virtual bool getFlip(uint32 index) const=0;
59  virtual DVect getVector(uint32 index) const=0;
61  virtual DVect getCentroid() const=0;
63  virtual double getArea() const=0;
65  virtual DAVect getDANormal() const=0;
67  virtual DVect3 getNormal() const=0;
71  virtual bool isPlanar(const double &tolerance=1e-7) const=0;
73  virtual bool isConvex(const double &tolerance=1e-7) const=0;
77  virtual bool isIn(const DVect &v,DVect *on=0,const double &tolerance=1e-7) const=0;
79  virtual DVect getClosestPoint(const DVect &v) const=0;
80 
82  virtual int getConnectIndex() const { return 0; }
84  virtual int getManifoldIndex() const { return 0; }
86  virtual int getFrontSideIndex() const { return 0; }
88  virtual int getBackSideIndex() const { return 0; }
89 
91  virtual CLinkType<IGeomPoly> getNext(uint32 index) const=0;
93  virtual LinkType<IGeomPoly> getNext(uint32 index) =0;
95  virtual const GeomBase * getGeomBase() const=0;
98  virtual DVect convertToGlobal(double u, double v) const =0;
99 #ifdef THREED
102  virtual DVect2 convertToLocal(const DVect &pos) const =0;
103 #endif
104 
106  virtual void triangulatedList(FArray<DVect> * ret, const double &tolerance = 1e-7)=0;
107 
108  virtual uint32 index(const IGeomEdge *edge) const = 0;
109  virtual uint32 index(const IGeomPoly *vert) const = 0;
110  virtual void setEdge(uint32 ind, IGeomEdge *edge) = 0;
111 
112  };
113 } // namespace itascaxd
114 // EoF
Base class for items that will be stored in containers.
Definition: ithing.h:30
Interface for a user-defined geometric edge, defined as the line between two IGeomPoint objects.
Definition: igeomedge.h:24
Interface for a user-defined geometric point.
Definition: igeompoint.h:18
A class representing a single closed polygon made up of a list of edges.
Definition: igeompoly.h:23
virtual const IGeomEdge * getEdge(uint32 index) const =0
Returns the edge at index index in the list of edges associated with the polygon. Will return 0 if in...
virtual IGeomEdge * removeEdge()=0
virtual const IGeomPoint * getPoint(uint32 index) const =0
Returns the point at index /a index in the polygon, assuming it is valid.
virtual IGeomEdge * getEdge(uint32 index)=0
Returns the edge at index index in the list of edges associated with the polygon. Will return 0 if in...
virtual double getArea() const =0
Returns the area of the polygon, assuming the polygon is planar and radially convex about the centroi...
virtual int getFrontSideIndex() const
Returns the front side index, computed.
Definition: igeompoly.h:86
virtual DVect convertToGlobal(double u, double v) const =0
virtual DVect getVector(uint32 index) const =0
Returns the vector from point index to point index+1 as you go around the polygon.
virtual bool isConvex(const double &tolerance=1e-7) const =0
Returns true if the polygon is convex within tolerance.
virtual IGeomPoint * getPoint(uint32 index)=0
Returns the point at index /a index in the polygon, assuming it is valid.
virtual const IThing * getIThing() const =0
Return a const IThing interface for this object.
virtual uint64 getNumFakeEdges() const =0
Returns the number of fake edges associated with this polygon. Only irregular blocks with internal po...
virtual int getConnectIndex() const
Returns the connect index, computed.
Definition: igeompoly.h:82
virtual CLinkType< IGeomPoly > getNext(uint32 index) const =0
Returns an interface to a CLinkType<> object, a const pointer to the next object in the linked list.
virtual void triangulatedList(FArray< DVect > *ret, const double &tolerance=1e-7)=0
Return a list of triangulated vertices for plotting.
virtual DVect3 getNormal() const =0
Returns the normal vector or the polygon as used in ThingData.
virtual bool isIn(const DVect &v, DVect *on=0, const double &tolerance=1e-7) const =0
virtual DVect getCentroid() const =0
Returns the centroid, calculated as the average of the point positions.
virtual uint64 getSize() const =0
Returns the number of edges associated with this polygon. This is also the number of points if the po...
virtual bool addEdge(IGeomEdge *edge, bool throwException=true, bool forceFlip=false)=0
virtual LinkType< IGeomPoly > getNext(uint32 index)=0
Returns an interface to a LinkType<> object, a pointer to the next object in the linked list.
virtual int getBackSideIndex() const
Returns the back side index, computed.
Definition: igeompoly.h:88
virtual int getManifoldIndex() const
Returns the manifold index, computed.
Definition: igeompoly.h:84
virtual DAVect getDANormal() const =0
Returns the normal vector or the polygon, based on an average of each vertex if the polygon is not pl...
virtual bool isValid() const =0
Checks the validity of the polygon - the polygon must be fully closed, and each edge must match a poi...
virtual bool isPlanar(const double &tolerance=1e-7) const =0
virtual const GeomBase * getGeomBase() const =0
Return const GeomBase.
virtual DVect getClosestPoint(const DVect &v) const =0
Returns the closest point to /a v on the polygon, which could be on a point, on an edge,...
virtual IThing * getIThing()=0
Return an IThing interface for this object.
virtual bool getFlip(uint32 index) const =0
DIM - Provides code portability between 2D and 3D codes.
An array class that attempts to minimize unnecessary heap access.
uint32 TType
class type indicator
Definition: basedef.h:46
DVect3 DVect
Vector of doubles, either 2D or 3D.
Definition: dim.h:150
DAVect3 DAVect
Angular vector of doubles, either 2D or 3D.
Definition: dim.h:158
Interface for LinkType<> objects, POD that contain both the pointer to the next object and an index f...
namespace Itasca
Definition: basememory.cpp:10
Itasca Library standard namespace, specific to 2D or 3D.
Definition: icontactmodule.h:4