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NIS_Triangulated Class Reference

#include <NIS_Triangulated.hxx>

Inheritance diagram for NIS_Triangulated:

Inheritance graph
[legend]

Public Member Functions

Standard_EXPORT NIS_Triangulated (const Standard_Integer nNodes=0, const Handle_NCollection_BaseAllocator &=0L)
Standard_EXPORT void SetPolygonsPrs (const Standard_Integer nPolygons, const Standard_Integer nNodes=0)
Standard_EXPORT void SetTriangulationPrs (const Standard_Integer nTriangles, const Standard_Integer nNodes=0)
Standard_EXPORT void SetLinePrs (const Standard_Integer nPoints, const Standard_Boolean isClosed, const Standard_Integer nNodes=0)
Standard_EXPORT void SetSegmentPrs (const Standard_Integer nSegments, const Standard_Integer nNodes=0)
Standard_Boolean IsTriangulation () const
Standard_Boolean IsPolygons () const
Standard_Boolean IsLine (Standard_Boolean &isLoop) const
Standard_Boolean IsSegments () const
Standard_EXPORT void Clear ()
virtual Standard_EXPORT ~NIS_Triangulated ()
virtual Standard_EXPORT Handle_NIS_Drawer DefaultDrawer () const
Standard_EXPORT void SetNode (const Standard_Integer ind, const gp_XYZ &thePnt)
Standard_EXPORT void SetNode (const Standard_Integer ind, const gp_XY &thePnt)
Standard_EXPORT void SetTriangle (const Standard_Integer ind, const Standard_Integer iNode0, const Standard_Integer iNode1, const Standard_Integer iNode2)
Standard_EXPORT Standard_Integer * SetPolygon (const Standard_Integer ind, const Standard_Integer theSz)
Standard_EXPORT void SetLineNode (const Standard_Integer ind, const Standard_Integer iNode)
Standard_Integer NNodes () const
Standard_Integer NTriangles () const
Standard_Integer NLineNodes () const
Standard_Integer NPolygons () const
const Standard_ShortReal * Node (const Standard_Integer ind) const
const Standard_Integer * Triangle (const Standard_Integer ind) const
const Standard_Integer * LineNode (const Standard_Integer ind) const
const Standard_Integer Polygon (const Standard_Integer ind, Standard_Integer *&outInd) const
Standard_EXPORT void SetDrawPolygons (const Standard_Boolean isDrawPolygons, const Standard_Boolean isUpdateViews=Standard_True)
Standard_EXPORT void SetColor (const Quantity_Color &theColor, const Standard_Boolean isUpdateV=Standard_True)
Standard_EXPORT Quantity_Color GetColor (const NIS_Drawer::DrawType theDrawType) const
Standard_EXPORT void SetHilightColor (const Quantity_Color &theColor, const Standard_Boolean isUpdateV=Standard_True)
Standard_EXPORT void SetDynHilightColor (const Quantity_Color &theColor, const Standard_Boolean isUpdateV=Standard_True)
Standard_EXPORT void SetLineWidth (const Standard_Real theWidth, const Standard_Boolean isUpdateV=Standard_True)
Standard_EXPORT Standard_Real Intersect (const gp_Ax1 &theAxis, const Standard_Real theOver) const
virtual Standard_EXPORT Standard_Boolean Intersect (const Bnd_B3f &theBox, const gp_Trsf &theTrf, const Standard_Boolean isFull) const

Static Public Member Functions

static Standard_EXPORT int tri_line_intersect (const double start[3], const double dir[3], const float V0[3], const float V1[3], const float V2[3], double *tInter)
static Standard_EXPORT int seg_line_intersect (const gp_XYZ &aStart, const gp_XYZ &aDir, const double over2, const float V0[3], const float V1[3], double *tInter)
static Standard_EXPORT int seg_box_intersect (const Bnd_B3f &theBox, const gp_Pnt thePnt[2])
static Standard_EXPORT int seg_box_included (const Bnd_B3f &theBox, const gp_Pnt thePnt[2])
static Standard_EXPORT void ComputeBox (Bnd_B3f &theBox, const Standard_Integer nNodes, const Standard_ShortReal *pNodes)

Protected Types

enum  {
  Type_None = 0, Type_Loop = 1, Type_Line = 2, Type_Segments = 4,
  Type_Triangulation = 8, Type_Polygons = 16
}

Protected Member Functions

virtual Standard_EXPORT void computeBox ()
Standard_EXPORT void allocateNodes (const Standard_Integer nNodes)

Protected Attributes

Standard_Integer myType
Standard_ShortReal * mypNodes
Standard_Integer * mypTriangles
Standard_Integer * mypLines
Standard_Integer ** mypPolygons
Standard_Integer myNNodes
Standard_Integer myNTriangles
Standard_Integer myNPolygons
Standard_Integer myNLineNodes
NCollection_BaseAllocator * myAlloc
Standard_Boolean myIsDrawPolygons

Detailed Description

Block of comments describing class NIS_Triangulated


Member Enumeration Documentation

anonymous enum [protected]
 

Enumeration values:
Type_None 
Type_Loop 
Type_Line 
Type_Segments 
Type_Triangulation 
Type_Polygons 


Constructor & Destructor Documentation

Standard_EXPORT NIS_Triangulated::NIS_Triangulated const Standard_Integer  nNodes = 0,
const Handle_NCollection_BaseAllocator &  = 0L
 

Constructor. Optionally defines the number of nodes that will be allocated (this number may be defined later in methods Set*Prs) as well as the memory allocator where the nodes, lines and triangles will be stored by this instance.

virtual Standard_EXPORT NIS_Triangulated::~NIS_Triangulated  )  [virtual]
 

Destructor.


Member Function Documentation

Standard_EXPORT void NIS_Triangulated::allocateNodes const Standard_Integer  nNodes  )  [protected]
 

Create the memory buffer for the declared number of nodes, old nodes are deallocated.

Standard_EXPORT void NIS_Triangulated::Clear  ) 
 

Reset all data memebers and free all allocated memory. Called from the destructor, also can be usedto re-initialize a given Interactive Objects.

virtual Standard_EXPORT void NIS_Triangulated::computeBox  )  [protected, virtual]
 

Create a 3D bounding box of the object.

Implements NIS_InteractiveObject.

static Standard_EXPORT void NIS_Triangulated::ComputeBox Bnd_B3f &  theBox,
const Standard_Integer  nNodes,
const Standard_ShortReal *  pNodes
[static]
 

virtual Standard_EXPORT Handle_NIS_Drawer NIS_Triangulated::DefaultDrawer  )  const [virtual]
 

Create a default drawer instance.

Implements NIS_InteractiveObject.

Standard_EXPORT Quantity_Color NIS_Triangulated::GetColor const NIS_Drawer::DrawType  theDrawType  )  const
 

Get Normal, Transparent or Hilighted color of the presentation.

Parameters:
theDrawType The draw type, for which the color is retrieved.

virtual Standard_EXPORT Standard_Boolean NIS_Triangulated::Intersect const Bnd_B3f &  theBox,
const gp_Trsf &  theTrf,
const Standard_Boolean  isFull
const [virtual]
 

Intersect the InteractiveObject geometry with an oriented box.

Parameters:
theBox 3D box of selection
theTrf Position/Orientation of the box.
isFull True if full inclusion is required, False - if partial.
Returns:
True if the InteractiveObject geometry intersects the box or is inside it

Reimplemented from NIS_InteractiveObject.

Standard_EXPORT Standard_Real NIS_Triangulated::Intersect const gp_Ax1 &  theAxis,
const Standard_Real  theOver
const [virtual]
 

Intersect the InteractiveObject geometry with a line/ray.

Parameters:
theAxis The line or ray in 3D space.
theOver Half-thickness of the selecting line.
Returns:
If the return value is more than 0.1*RealLast() then no intersection is detected. Otherwise returns the coordinate of thePnt on the ray. May be negative.

Implements NIS_InteractiveObject.

Standard_Boolean NIS_Triangulated::IsLine Standard_Boolean &  isLoop  )  const [inline]
 

Query if there is Line component in the presentation.

Standard_Boolean NIS_Triangulated::IsPolygons  )  const [inline]
 

Query if there is Polygons component in the presentation.

Standard_Boolean NIS_Triangulated::IsSegments  )  const [inline]
 

Query if there is Segments component in the presentation.

Standard_Boolean NIS_Triangulated::IsTriangulation  )  const [inline]
 

Query if there is Triangulation component in the presentation.

const Standard_Integer* NIS_Triangulated::LineNode const Standard_Integer  ind  )  const [inline]
 

Query the node of line or segments by index in the array of node indices. This method does not make distinction of the presentation type (field myType), so the correct definition of ind is to be done by the caller.

Returns:
pointer to the Integer value representing the index of the node.

Standard_Integer NIS_Triangulated::NLineNodes  )  const [inline]
 

Query the number of line points.

Standard_Integer NIS_Triangulated::NNodes  )  const [inline]
 

Query the number of nodes.

const Standard_ShortReal* NIS_Triangulated::Node const Standard_Integer  ind  )  const [inline]
 

Query the node by its index.

Returns:
pointer to array of 3 Standard_ShortReal values (X,Y,Z coordinates)

Standard_Integer NIS_Triangulated::NPolygons  )  const [inline]
 

Query the number of polygons.

Standard_Integer NIS_Triangulated::NTriangles  )  const [inline]
 

Query the number of triangles.

const Standard_Integer NIS_Triangulated::Polygon const Standard_Integer  ind,
Standard_Integer *&  outInd
const [inline]
 

Query the polygon.

Parameters:
ind rank of the polygon [0 .. N-1]
outInd [out] array of vertex indice
Returns:
number of vertice in the polygon - the dimension of outInd array

static Standard_EXPORT int NIS_Triangulated::seg_box_included const Bnd_B3f &  theBox,
const gp_Pnt  thePnt[2]
[static]
 

static Standard_EXPORT int NIS_Triangulated::seg_box_intersect const Bnd_B3f &  theBox,
const gp_Pnt  thePnt[2]
[static]
 

static Standard_EXPORT int NIS_Triangulated::seg_line_intersect const gp_XYZ &  aStart,
const gp_XYZ &  aDir,
const double  over2,
const float  V0[3],
const float  V1[3],
double *  tInter
[static]
 

Standard_EXPORT void NIS_Triangulated::SetColor const Quantity_Color &  theColor,
const Standard_Boolean  isUpdateV = Standard_True
 

Set the normal color for presentation.

Parameters:
theColor New color to use for the presentation.
isUpdateV True if all views should be updated, otherwise wait till the next update

Standard_EXPORT void NIS_Triangulated::SetDrawPolygons const Standard_Boolean  isDrawPolygons,
const Standard_Boolean  isUpdateViews = Standard_True
 

Set the boolean flag defining if the polygons or the triangulation should be drawn. This method does not affect the presentation of Line/Segments.

Parameters:
isDrawPolygons True defines that no triangulation is drawn, only polygons are. False defines that only triangulation is draw, no polygons.
isUpdateV True if all views should be updated, otherwise wait till the next update

Standard_EXPORT void NIS_Triangulated::SetDynHilightColor const Quantity_Color &  theColor,
const Standard_Boolean  isUpdateV = Standard_True
 

Set the color for dynamic hilight presentation.

Parameters:
theColor New color to use for the presentation.
isUpdateV True if all views should be updated, otherwise wait till the next update

Standard_EXPORT void NIS_Triangulated::SetHilightColor const Quantity_Color &  theColor,
const Standard_Boolean  isUpdateV = Standard_True
 

Set the color for hilighted presentation.

Parameters:
theColor New color to use for the presentation.
isUpdateV True if all views should be updated, otherwise wait till the next update

Standard_EXPORT void NIS_Triangulated::SetLineNode const Standard_Integer  ind,
const Standard_Integer  iNode
 

Define the line node by index.

Standard_EXPORT void NIS_Triangulated::SetLinePrs const Standard_Integer  nPoints,
const Standard_Boolean  isClosed,
const Standard_Integer  nNodes = 0
 

Define the line presentration (polygon through points)

Parameters:
nPoints Number of nodes defining the line. If set to 0, line is cancelled
isClosed True if the polygon is closed, so the segment between the first and the last points is created automatically.
nNodes Optional: Number of nodes to allocate. If left as 0, the previous nodes allocation is used, otherwise a new allocation is created.

Standard_EXPORT void NIS_Triangulated::SetLineWidth const Standard_Real  theWidth,
const Standard_Boolean  isUpdateV = Standard_True
 

Set the width of line presentations in pixels.

Parameters:
theWidth New line width to use for the presentation.
isUpdateV True if all views should be updated, otherwise wait till the next update

Standard_EXPORT void NIS_Triangulated::SetNode const Standard_Integer  ind,
const gp_XY &  thePnt
 

Define the coordinates of node [ind]. Z coordinate is assigned to 0.

Standard_EXPORT void NIS_Triangulated::SetNode const Standard_Integer  ind,
const gp_XYZ &  thePnt
 

Define the coordinates of node [ind].

Standard_EXPORT Standard_Integer* NIS_Triangulated::SetPolygon const Standard_Integer  ind,
const Standard_Integer  theSz
 

Allocate a single polygon, should be called for each polygon following the call SetPolygonsPrs().

Parameters:
ind Index of the polygon, should be [0..Npolygons-1]
theSz Number of points (segments) in the polygon.
Returns:
Pointer to the allocated buffer where you should store the indices of all polygon nodes in order, total "theSz" integers.

Standard_EXPORT void NIS_Triangulated::SetPolygonsPrs const Standard_Integer  nPolygons,
const Standard_Integer  nNodes = 0
 

Define the polygonal presentration.

Parameters:
nPolygons Number of separate polygons. If set to 0, polygons are cancelled
nNodes Optional: Number of nodes to allocate. If left as 0, the previous nodes allocation is used, otherwise a new allocation is created.

Standard_EXPORT void NIS_Triangulated::SetSegmentPrs const Standard_Integer  nSegments,
const Standard_Integer  nNodes = 0
 

Define the segments presentration. Each segment is defined by 2 nodes

Parameters:
nSegments Number of segments. If set to 0, segments presentation is cancelled
nNodes Optional: Number of nodes to allocate. If left as 0, the previous nodes allocation is used, otherwise a new allocation is created.

Standard_EXPORT void NIS_Triangulated::SetTriangle const Standard_Integer  ind,
const Standard_Integer  iNode0,
const Standard_Integer  iNode1,
const Standard_Integer  iNode2
 

Define the triangle [ind] by indices of its three nodes.

Standard_EXPORT void NIS_Triangulated::SetTriangulationPrs const Standard_Integer  nTriangles,
const Standard_Integer  nNodes = 0
 

Define the triangulated presentration.

Parameters:
nTriangles Number of triangles. If set to 0, triangulation is cancelled
nNodes Optional: Number of nodes to allocate. If left as 0, the previous nodes allocation is used, otherwise a new allocation is created.

static Standard_EXPORT int NIS_Triangulated::tri_line_intersect const double  start[3],
const double  dir[3],
const float  V0[3],
const float  V1[3],
const float  V2[3],
double *  tInter
[static]
 

const Standard_Integer* NIS_Triangulated::Triangle const Standard_Integer  ind  )  const [inline]
 

Query the triangle by its index.

Returns:
pointer to array of 3 Standard_Integer values (nodes 0, 1, 2)


Field Documentation

NCollection_BaseAllocator* NIS_Triangulated::myAlloc [protected]
 

Standard_Boolean NIS_Triangulated::myIsDrawPolygons [protected]
 

Standard_Integer NIS_Triangulated::myNLineNodes [protected]
 

Standard_Integer NIS_Triangulated::myNNodes [protected]
 

Standard_Integer NIS_Triangulated::myNPolygons [protected]
 

Standard_Integer NIS_Triangulated::myNTriangles [protected]
 

Standard_Integer* NIS_Triangulated::mypLines [protected]
 

Standard_ShortReal* NIS_Triangulated::mypNodes [protected]
 

Standard_Integer** NIS_Triangulated::mypPolygons [protected]
 

Standard_Integer* NIS_Triangulated::mypTriangles [protected]
 

Standard_Integer NIS_Triangulated::myType [protected]
 

Combination of Type_* constants


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 13:55:54 2008 for OpenCASCADE by  doxygen 1.4.1