Image function. More...
#include <archestree.h>
Inheritance diagram for TerraCurveThick:
Public Member Functions | |
| TerraCurveThick (const QuadricCurve2Set &curve, const double &radius, const double &radius_external, const double ¢ral_weight, const ScalarField2 &, const ScalarField2 &) | |
| Create a cubic curve skeleton. More... | |
| TerraCurveThick (const QuadricCurve2Set &curve, const double &radius, const double &radius_external, const CubicSet &curve_z, const ScalarField2 &, const ScalarField2 &) | |
| Create a cubic curve skeleton. More... | |
| ScalarAlpha | ElevationAlpha (const Vector2 &) const |
| Compute a value with the turbulence. More... | |
| bool | ComputeUV (const Vector2 &, double &u, double &v) const |
| Computes the U and V (parametrized arguments) of a 2D point. More... | |
| virtual void | Draw (QGraphicsScene &) const |
| Draw. | |
 Public Member Functions inherited from TerraPrimitive | |
| TerraPrimitive () | |
| Create a primitive. | |
| ~TerraPrimitive () | |
| Recusively destroy the sub-trees. | |
| int | Traversal (const Vector2 &) const |
| Compute the number of nodes that are traversed when evaluating the tree. More... | |
| Public Member Functions inherited from TerraNode | |
| TerraNode (const Box2 &=Box2::Infinity) | |
| Create a node. More... | |
| virtual Box2 | GetBox () const |
| Returns the bouding box of a node. | |
| virtual double | Elevation (const Vector2 &) const |
| Compute the elevation at a given position. More... | |
| virtual double | Alpha (const Vector2 &) const |
| Compute the alpha mask at a given position. More... | |
| virtual Vector2 | Gradient (const Vector2 &) const |
| Compute the gradient at a given position. More... | |
| virtual Vector | Normal (const Vector2 &) const |
| Compute the normal at a given position. More... | |
| virtual void | writeJson (QJsonObject &) |
| Compute the Json Document of the subtree. | |
| virtual int | Memory () const |
| Compute the size of a node. | |
| ScalarField2 | Sample (const Array2 &) const |
| Create a discrete scalar field by sampling the elevation over a given domain. More... | |
| ScalarField2 | Alpha (const Array2 &) const |
| Create a discrete scalar field by sampling the elevation over a given domain. More... | |
| void | Blend (HeightField &) const |
| Blend a given node with an existing terrain over an input heightfield. More... | |
| void | Add (HeightField &) const |
| Add a given node with an existing heightfield. More... | |
Protected Attributes | |
| QuadricCurve2Set | m_curve_xy |
| 2D Curve footprint (at more than distance == not defined) | |
| Protected Attributes inherited from TerraNode | |
| Box2 | box = Box2::Infinity |
| Bounding box. | |
Additional Inherited Members | |
| Static Protected Attributes inherited from TerraNode | |
| static const double | epsilon = 1e-2 |
| Epsilon value for gradient computations. | |
Detailed Description
Image function.
Constructor & Destructor Documentation
◆ TerraCurveThick() [1/2]
| TerraCurveThick::TerraCurveThick | ( | const QuadricCurve2Set & | curve, |
| const double & | radius, | ||
| const double & | radius_external, | ||
| const double & | central_weight, | ||
| const ScalarField2 & | h, | ||
| const ScalarField2 & | a | ||
| ) |
Create a cubic curve skeleton.
- Parameters
-
curve_ 2D Cubic Curve.
References TerraNode::box, Box2::Extended(), QuadricCurve2Set::GetBox(), Cubic::Hermite(), m_curve_xy, and QuadricCurve2Set::Size().
◆ TerraCurveThick() [2/2]
| TerraCurveThick::TerraCurveThick | ( | const QuadricCurve2Set & | curve, |
| const double & | radius, | ||
| const double & | radius_external, | ||
| const CubicSet & | curve_z, | ||
| const ScalarField2 & | h, | ||
| const ScalarField2 & | a | ||
| ) |
Create a cubic curve skeleton.
- Parameters
-
curve_ 2D Cubic Curve.
References TerraNode::box, Box2::Extended(), QuadricCurve2Set::GetBox(), and m_curve_xy.
Member Function Documentation
◆ ComputeUV()
| bool TerraCurveThick::ComputeUV | ( | const Vector2 & | pt, |
| double & | u, | ||
| double & | v | ||
| ) | const |
Computes the U and V (parametrized arguments) of a 2D point.
- Parameters
-
pt Point.
References TerraNode::box, Box2::Inside(), m_curve_xy, QuadricCurve2Set::R(), and Vector2::ToVector().
Referenced by ElevationAlpha().
◆ ElevationAlpha()
|
virtual |
Compute a value with the turbulence.
- Parameters
-
p Point.
Reimplemented from TerraNode.
References ComputeUV(), ScalarAlpha::Empty, and ScalarField2::Value().
