The drawable for rendering a set of points, e.g., point clouds, vertices of a mesh. More...

#include <easy3d/renderer/drawable_points.h>

Inheritance diagram for PointsDrawable:

Public Types
enum	ImposterType { PLAIN , SPHERE , SURFEL }

Public Types inherited from Drawable
enum	Type { DT_POINTS = 0x0000 , DT_LINES = 0x0001 , DT_TRIANGLES = 0x0004 }

Public Types inherited from State
enum	Method { UNIFORM_COLOR , COLOR_PROPERTY , SCALAR_FIELD , TEXTURED }

enum	Location { VERTEX , FACE , EDGE , HALFEDGE }

Public Member Functions
	PointsDrawable (const std::string &name="", Model *model=nullptr)

Type	type () const override
	Returns the type of the drawable. More...

ImposterType	impostor_type () const

void	set_impostor_type (ImposterType t)

float	point_size () const

void	set_point_size (float s)

void	draw (const Camera *camera) const override
	The draw method. More...

Public Member Functions inherited from Drawable
	Drawable (const std::string &name="unknown", Model *model=nullptr)

virtual Type	type () const =0
	Returns the type of the drawable. More...

const std::string &	name () const

void	set_name (const std::string &n)

Model *	model ()
	the model to which the drawable is attached to (can be NULL).

const Model *	model () const

void	set_model (Model *m)

const Box3 &	bounding_box () const

State &	state ()

const State &	state () const

void	set_state (const State &s)

void	buffer_stats (std::ostream &output) const
	print statistics (e.g., num vertices, memory usage) of the buffers to an output stream (e.g., std::cout).

std::size_t	num_vertices () const

VertexArrayObject *	vao ()
	Returns the vertex array object of this drawable.

const VertexArrayObject *	vao () const
	Returns the vertex array object of this drawable.

unsigned int	vertex_buffer () const

unsigned int	color_buffer () const

unsigned int	normal_buffer () const

unsigned int	texcoord_buffer () const

unsigned int	element_buffer () const

void	update_vertex_buffer (const std::vector< vec3 > &vertices, bool dynamic=false)
	Creates/Updates a single buffer. More...

void	update_color_buffer (const std::vector< vec3 > &colors, bool dynamic=false)

void	update_normal_buffer (const std::vector< vec3 > &normals, bool dynamic=false)

void	update_texcoord_buffer (const std::vector< vec2 > &texcoords, bool dynamic=false)

void	update_element_buffer (const std::vector< unsigned int > &elements)

void	update_element_buffer (const std::vector< std::vector< unsigned int > > &elements)
	Updates the element buffer. More...

void	disable_element_buffer ()
	Disables the use of the element buffer. More...

void	gl_draw () const

void	update ()
	Requests an update of the OpenGL buffers. More...

void	set_update_func (const std::function< void(Model , Drawable )> &func)
	Setups how a drawable updates its rendering buffers. More...

Manipulator *	manipulator ()
	Gets the manipulator attached to this drawable. More...

const Manipulator *	manipulator () const
	Gets the manipulator attached to this drawable. More...

void	set_manipulator (Manipulator *manip)
	Attaches a manipulator to this model. More...

mat4	manipulated_matrix () const
	Returns the manipulation matrix.

Public Member Functions inherited from State
	State (const State &s)

State &	operator= (const State &rhs)
	assign `rhs` to `*this`. performs a deep copy of all member variables.

bool	is_visible () const

void	set_visible (bool v)

bool	is_selected () const

void	set_selected (bool b)

void	set_uniform_coloring (const vec4 &color)

void	set_property_coloring (Location color_location, const std::string &color_name="")

void	set_texture_coloring (Location texcoord_location, const std::string &texcoord_name, const Texture *texture=nullptr, float repeat=1.0f, float repeat_fraction=0.0f)

void	set_scalar_coloring (Location scalar_location, const std::string &scalar_name, const Texture *texture=nullptr, float clamp_lower=0.05f, float clamp_upper=0.05f)

void	set_coloring (Method method, Location location, const std::string &name)

void	set_coloring_method (Method method)

Method	coloring_method () const

const vec4 &	color () const

void	set_color (const vec4 &c)

Location	property_location () const

const std::string &	property_name () const

bool	lighting () const
	returns whether lighting is enabled.

void	set_lighting (bool l)
	enables/disables lighting.

bool	lighting_two_sides () const
	returns whether double-sided lighting is enabled.

void	set_lighting_two_sides (bool b)
	enables/disables double-sided lighting.

bool	distinct_back_color () const

void	set_distinct_back_color (bool b)

const vec4 &	back_color () const

void	set_back_color (const vec4 &c)

const Texture *	texture () const

void	set_texture (Texture *tex)

float	texture_repeat () const

void	set_texture_repeat (float r)

float	texture_fractional_repeat () const

void	set_texture_fractional_repeat (float fr)

bool	is_ssao_enabled () const

void	enable_ssao (bool b)

void	set_ssao_texture (unsigned int tex)

bool	clamp_range () const

void	set_clamp_range (bool b)

float	clamp_lower () const

void	set_clamp_lower (float v)

float	clamp_upper () const

void	set_clamp_upper (float v)

Material &	material ()

const Material &	material () const

void	set_material (const Material &m)

bool	plane_clip_discard_primitive () const
	Controls the behavior for vertex clipping. More...

void	set_plane_clip_discard_primitive (bool b)

bool	highlight () const

void	set_highlight (bool b)

void	set_highlight_range (const std::pair< int, int > &range)

const std::pair< int, int > &	highlight_range () const

Detailed Description

The drawable for rendering a set of points, e.g., point clouds, vertices of a mesh.

See also: LinesDrawable, TrianglesDrawable

Examples: Tutorial_301_Drawables, Tutorial_302_Imposters, and Tutorial_403_PointSelection.

Member Function Documentation

◆ draw()

void draw ( const Camera * camera ) const

overridevirtual

The draw method.

Implements Drawable.

◆ impostor_type()

ImposterType impostor_type ( ) const

inline

Get/Set impostor type.

◆ point_size()

float point_size ( ) const

inline

Get/Set point size.

◆ type()

Drawable::Type type ( ) const

overridevirtual

Returns the type of the drawable.