Image-based primitive along a curve. More...
#include <archestree.h>
Inheritance diagram for TerraCubicImage:
Public Member Functions | |
| TerraCubicImage (const Vector &, const Vector &, const Vector &, const Vector &, const double &, const double &, const QString &, const QString &, const double &=0.5) | |
| Create an image-based primitive along a curve. More... | |
| virtual ScalarAlpha | ElevationAlpha (const Vector2 &) const |
| Compute the elevation and weight. More... | |
| virtual int | Memory () const |
| Compute the size of a node. | |
 Public Member Functions inherited from TerraCubic | |
| TerraCubic (const Vector &, const Vector &, const Vector &, const Vector &, const double &, const double &) | |
| Create a generate cubic curve skeletal element. More... | |
| 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. | |
| 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... | |
| virtual void | Draw (QGraphicsScene &) const |
| Renders the node into a QGraphicsScene. More... | |
| Public Member Functions inherited from TerraImages | |
| TerraImages (const QString &) | |
| Create the node. More... | |
| TerraImages (const QString &, const QString &) | |
| Create an image primitive. More... | |
Additional Inherited Members | |
| Static Public Member Functions inherited from TerraImages | |
| static void | Store (const ScalarField2 &, const QString &) |
| Store an image in the set of image instances. More... | |
| static void | Store (const QImage &, const QString &) |
| Store an image in the set of image instances. More... | |
| static void | Store (const QString &, const QString &) |
| Store an image in the set of image instances. More... | |
| Public Attributes inherited from TerraCubic | |
| Vector | b |
| End vertices of the curve. | |
| CubicCurve2 | c |
| Cubic curve in the plane. | |
| Cubic | z |
| Cubic elevation along curve. | |
| double | rb |
| Offset radius. | |
| Protected Member Functions inherited from TerraImages | |
| const ScalarField2 & | GetImage (int) const |
| Get the reference to the k-th image in the atlas. More... | |
| Static Protected Member Functions inherited from TerraImages | |
| static bool | ExistsInStorage (const QString &) |
| Checks if an image exists in the atlas. More... | |
| static int | IndexInStorage (const QString &) |
| Checks if an image exists in the atlas, and returns its index. More... | |
| Protected Attributes inherited from TerraNode | |
| Box2 | box = Box2::Infinity |
| Bounding box. | |
| Protected Attributes inherited from TerraImages | |
| int | ref |
| Index storing the reference to the field. | |
| int | alf |
| Index storing the reference to the field. | |
| Static Protected Attributes inherited from TerraNode | |
| static const double | epsilon = 1e-2 |
| Epsilon value for gradient computations. | |
| Static Protected Attributes inherited from TerraImages | |
| static QVector< ScalarField2 > | images |
| Set of images that will be shared by the instances of TerraImages. | |
| static QVector< QString > | aliases |
| Identifier as names of the images. | |
Detailed Description
Image-based primitive along a curve.
Constructor & Destructor Documentation
◆ TerraCubicImage()
|
explicit |
Create an image-based primitive along a curve.
- Parameters
-
a,b Control points. ta,tb Control tangents. r Radius. z Elevation.
References TerraNode::box, Box2::Extend(), and TerraCubic::z.
Referenced by Memory().
Member Function Documentation
◆ ElevationAlpha()
|
virtual |
Compute the elevation and weight.
- Parameters
-
p Point.
Implements TerraImages.
References TerraNode::box, TerraCubic::c, Box2::Inside(), CubicCurve2::Normal(), TerraCubic::rb, CubicCurve2::UV(), and TerraCubic::z.
