TGLUtil.cxx File Reference

#include <algorithm>
#include <cassert>
#include <string>
#include <map>
#include "THLimitsFinder.h"
#include "TVirtualPad.h"
#include "TVirtualX.h"
#include "Riostream.h"
#include "TStyle.h"
#include "TGaxis.h"
#include "TColor.h"
#include "TError.h"
#include "TH1.h"
#include "TMath.h"
#include "TROOT.h"
#include "TClass.h"
#include "TEnv.h"
#include "TGLBoundingBox.h"
#include "TGLCamera.h"
#include "TGLPlotPainter.h"
#include "TGLIncludes.h"
#include "TGLQuadric.h"
#include "TGLUtil.h"

Include dependency graph for TGLUtil.cxx:

Go to the source code of this file.

Namespaces
	Rgl

Macros
#define	CALLBACK

Functions
	ClassImp (TGLVertex3)
	ClassImp (TGLVector3)
	ClassImp (TGLLine3)
	ClassImp (TGLRect)
	ClassImp (TGLPlane)
std::pair< Bool_t, TGLLine3 >	Intersection (const TGLPlane &p1, const TGLPlane &p2)
	Find 3D line interestion of this plane with 'other'. More...
std::pair< Bool_t, TGLVertex3 >	Intersection (const TGLPlane &p1, const TGLPlane &p2, const TGLPlane &p3)
std::pair< Bool_t, TGLVertex3 >	Intersection (const TGLPlane &plane, const TGLLine3 &line, Bool_t extend)
	Find intersection of 3D space 'line' with this plane. More...
	ClassImp (TGLMatrix)
	ClassImp (TGLColor)
	ClassImp (TGLColorSet)
	ClassImp (TGLUtil)
	ClassImp (TGLSelectionBuffer)
void	Rgl::ObjectIDToColor (Int_t objectID, Bool_t highColor)
	Object id encoded as rgb triplet. More...
Int_t	Rgl::ColorToObjectID (const UChar_t *color, Bool_t highColor)
void	Rgl::DrawQuadOutline (const TGLVertex3 &v1, const TGLVertex3 &v2, const TGLVertex3 &v3, const TGLVertex3 &v4)
	Draw quad outline. More...
void	Rgl::DrawQuadFilled (const TGLVertex3 &v0, const TGLVertex3 &v1, const TGLVertex3 &v2, const TGLVertex3 &v3, const TGLVector3 &normal)
	Draw quad face. More...
void	Rgl::DrawQuadFilled (const Double_t *v0, const Double_t *v1, const Double_t *v2, const Double_t *v3, const Double_t *normal)
	Draw quad face. More...
void	Rgl::DrawSmoothFace (const TGLVertex3 &v1, const TGLVertex3 &v2, const TGLVertex3 &v3, const TGLVector3 &norm1, const TGLVector3 &norm2, const TGLVector3 &norm3)
	Draws triangle face, each vertex has its own averaged normal. More...
void	Rgl::DrawBoxFront (Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax, Int_t fp)
	Draws lego's bar as a 3d box. More...
void	Rgl::DrawTransparentBox (Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax, Int_t fp)
	Draws lego's bar as a 3d box. More...
void	Rgl::DrawBoxFrontTextured (Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax, Double_t texMin, Double_t texMax, Int_t fp)
	Draws lego's bar as a 3d box LULULULU. More...
void	Rgl::DrawBoxWithGradientFill (Double_t y1, Double_t y2, Double_t x1, Double_t x2, const Double_t *rgba1, const Double_t *rgba2)
void	Rgl::DrawQuadStripWithRadialGradientFill (unsigned nPoints, const Double_t *inner, const Double_t *innerRGBA, const Double_t *outer, const Double_t *outerRGBA)
	TODO: is it possible to use GLdouble to avoid problems with Double_t/GLdouble if they are not the same type? More...
void	Rgl::DrawCylinder (TGLQuadric *quadric, Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax)
	Cylinder for lego3. More...
void	Rgl::DrawSphere (TGLQuadric *quadric, Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax)
	Cylinder for lego3. More...
void	Rgl::DrawError (Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax, Double_t zMin, Double_t zMax)
void	Rgl::CylindricalNormal (const Double_t *v, Double_t *normal)
void	Rgl::CylindricalNormalInv (const Double_t *v, Double_t *normal)
void	Rgl::DrawTrapezoid (const Double_t ver[][2], Double_t zMin, Double_t zMax, Bool_t color=kTRUE)
void	Rgl::DrawTrapezoidTextured (const Double_t ver[][2], Double_t zMin, Double_t zMax, Double_t texMin, Double_t texMax)
	In polar coordinates, box became trapezoid. More...
void	Rgl::DrawTrapezoidTextured2 (const Double_t ver[][2], Double_t zMin, Double_t zMax, Double_t texMin, Double_t texMax)
	In polar coordinates, box became trapezoid. More...
void	Rgl::SphericalNormal (const Double_t *v, Double_t *normal)
void	Rgl::SphericalNormalInv (const Double_t *v, Double_t *normal)
void	Rgl::DrawTrapezoid (const Double_t ver[][3])
void	Rgl::DrawTrapezoidTextured (const Double_t ver[][3], Double_t texMin, Double_t texMax)
void	Rgl::Draw2DAxis (TAxis *axis, Double_t xMin, Double_t yMin, Double_t xMax, Double_t yMax, Double_t min, Double_t max, Bool_t log, Bool_t z=kFALSE)
void	Rgl::DrawAxes (Int_t fp, const Int_t *vp, const TGLVertex3 *box, const TGLPlotCoordinates *coord, TAxis *xAxis, TAxis *yAxis, TAxis *zAxis)
	Using front point, find, where to draw axes and which labels to use for them gVirtualX->SelectWindow(gGLManager->GetVirtualXInd(fGLDevice)); gVirtualX->SetDrawMode(TVirtualX::kCopy);//TCanvas by default sets in kInverse. More...
void	Rgl::SetZLevels (TAxis *zAxis, Double_t zMin, Double_t zMax, Double_t zScale, std::vector< Double_t > &zLevels)
void	Rgl::DrawFaceTextured (const TGLVertex3 &v1, const TGLVertex3 &v2, const TGLVertex3 &v3, Double_t t1, Double_t t2, Double_t t3, const TGLVector3 &norm1, const TGLVector3 &norm2, const TGLVector3 &norm3)
	Draw textured triangle. More...
void	Rgl::DrawFaceTextured (const TGLVertex3 &v1, const TGLVertex3 &v2, const TGLVertex3 &v3, Double_t t1, Double_t t2, Double_t t3, Double_t z, const TGLVector3 &normal)
	Draw textured triangle on a plane. More...
void	Rgl::GetColor (Float_t v, Float_t vmin, Float_t vmax, Int_t type, Float_t *rgba)
	This function creates color for parametric surface's vertex, using its 'u' value. More...

Variables
const Int_t	Rgl::gBoxFrontQuads [][4] = {{0, 1, 2, 3}, {4, 0, 3, 5}, {4, 5, 6, 7}, {7, 6, 2, 1}}
const Double_t	Rgl::gBoxFrontNormals [][3] = {{-1., 0., 0.}, {0., -1., 0.}, {1., 0., 0.}, {0., 1., 0.}}
const Int_t	Rgl::gBoxFrontPlanes [][2] = {{0, 1}, {1, 2}, {2, 3}, {3, 0}}
const Int_t	Rgl::gBoxBackQuads [][4] = {{7, 1, 2, 6}, {4, 7, 6, 5}, {0, 4, 5, 3}, {0, 3, 2, 1}}
const Double_t	Rgl::gBoxBackNormals [][3] = {{0., -1., 0.}, {-1., 0., 0.}, {0., 1., 0.}, {1., 0., 0.}}
const Int_t	Rgl::gBoxBackPlanes [][2] = {{0, 1}, {3, 0}, {2, 3}, {1, 2}}
const Int_t	Rgl::gFramePoints [][2] = {{3, 1}, {0, 2}, {1, 3}, {2, 0}}
const Int_t	Rgl::gAxisType [][2] = {{1, 0}, {0, 1}, {1, 0}, {0, 1}}

Macro Definition Documentation

#define CALLBACK

Definition at line 1449 of file TGLUtil.cxx.

Function Documentation

ClassImp

(

TGLVertex3

)

ClassImp

(

TGLVector3

)

ClassImp

(

TGLLine3

)

ClassImp

(

TGLRect

)

ClassImp

(

TGLPlane

)

ClassImp

(

TGLMatrix

)

ClassImp

(

TGLColor

)

ClassImp

(

TGLColorSet

)

ClassImp

(

TGLUtil

)

ClassImp

(

TGLSelectionBuffer

)

std::pair<Bool_t, TGLLine3> Intersection	(	const TGLPlane &	p1,
		const TGLPlane &	p2
	)

Find 3D line interestion of this plane with 'other'.

Returns a std::pair

first (Bool_t) second (TGLLine3) kTRUE - planes intersect intersection line between planes kFALSE - no intersect (parallel) undefined

Definition at line 544 of file TGLUtil.cxx.

Referenced by TGLRotateManip::CalculateAngleDelta(), TGLRotateManip::CalculateRingLine(), TGLSurfacePainter::DrawSectionXOY(), TGLSurfacePainter::DrawSectionXOZ(), TGLSurfacePainter::DrawSectionYOZ(), TGLCamera::EyePoint(), TGLCamera::Frustum(), TGLCamera::FrustumCenter(), TGLCameraOverlay::RenderPlaneIntersect(), TEveLegoEventHandler::Rotate(), and TGLCamera::ViewportPlaneIntersection().

std::pair<Bool_t, TGLVertex3> Intersection	(	const TGLPlane &	p1,
		const TGLPlane &	p2,
		const TGLPlane &	p3
	)

Definition at line 559 of file TGLUtil.cxx.

std::pair<Bool_t, TGLVertex3> Intersection	(	const TGLPlane &	plane,
		const TGLLine3 &	line,
		Bool_t	extend
	)

Find intersection of 3D space 'line' with this plane.

If 'extend' is kTRUE then line extents can be extended (infinite length) to find intersection. If 'extend' is kFALSE the fixed extents of line is respected.

The return a std::pair

• first (Bool_t) second (TGLVertex3)
• kTRUE - line/plane intersect intersection vertex on plane
• kFALSE - no line/plane intersect undefined

If intersection is not found (first == kFALSE) & 'extend' was kTRUE (infinite line) this implies line and plane are parallel. If 'extend' was kFALSE, then either line parallel or insufficient length.

Definition at line 587 of file TGLUtil.cxx.