cee::vis::MarkupPartInstancedGeometry
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class
MarkupPartInstancedGeometry: public MarkupPart A MarkupModel part useful for fast rendering of a lot of geometries with the same shape.
The geometry can be triangles or lines, and is defined with the setGeometry() method. This geometry is then rendered once for every provided transformation matrix (using the setInstanceTransformArray()) method. An optional per primitive color can be set with the setInstanceColorArray() method.
See also
Public Types
Public Functions
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MarkupPartInstancedGeometry() Constructs an empty part.
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MarkupPartInstancedGeometry(const Color3f &singleColor, float polygonOffsetFactor, float eyeLiftFactor) Constructs a part with the given settings.
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virtual PartType
type() const Returns the type of the part. Always MarkupPart::INSTANCED_GEOMETRY.
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virtual BoundingBox
boundingBox() const Returns the current bounding box of the part.
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virtual void
setPriority(int priority) Sets render priority of the part.
The render priority determines the order in which parts get rendered. Parts with lower priorities get rendered first. The default priority is cee::UNDEFINED_INT. In this case the priority will be set to 99 if the opacity is less than 0.999. Else set to 10. Setting the priority to another value will override this.
See also
opacity
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virtual int
priority() const Returns the render priority of the part.
The default priority is cee::UNDEFINED_INT. In this case the priority will be set to 99 if the opacity is less than 0.999. Else set to 10.
See also
setPriority and opacity
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virtual const Mat4d &
transformation() const Returns the current transformation matrix for the part.
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virtual void
setTransformation(const Mat4d &matrix) Sets the transformation matrix to use for the part.
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void
setGeometry(PrimitiveType primitiveType, const std::vector<unsigned int> &indices, const std::vector<Vec3d> &vertices) Sets the geometry to be instanced.
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const std::vector<unsigned int> &
geometryIndices() const Returns the vertices of the instanced geometry.
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PrimitiveType
geometryPrimitiveType() const Returns the primitive type of the instanced geometry.
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bool
fixedPixelSize() const Returns the fixed pixel size.
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void
setFixedPixelSize(bool fixedSize) Sets the fixed pixel size.
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float
polygonOffsetFactor() const Returns the polygon offset factor for the triangles.
See also
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void
setPolygonOffsetFactor(float factor) Sets the polygon offset factor for the triangles.
The factor controls the moving of the polygons slightly in the z buffer. Both positive and negative factors can be used to move forward and backward in the z buffer.
Used in cooperation with eye lift to control draw order with items in the same plane.
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float
eyeLiftFactor() const Returns the eye lift factor of the triangles.
See also
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void
setEyeLiftFactor(float factor) Sets the eye lift factor for the triangles.
The eye lift factor specifies if the triangles should be moved towards the camera (or away from the camera if the factor is negative).
This is useful for controlling the ordering of items that are defined in the same plane.
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void
setInstanceTransformArray(const std::vector<Mat4d> &transformArr) Sets an array with a matrix for each instance.
Note that the array needs to be in sync with any color array
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void
setInstanceColorArray(const std::vector<Color3f> &colorArr) Sets an array with a color for each instance.
Note that the array needs to be in sync with the transform array
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void
addInstance(const Mat4d &transform, const Color3f &color) Adds an instance with color to the part.
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size_t
instanceCount() const Returns the number of triangles.
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void
removeAllInstances() Removes all instances from the part.
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