Simple viewer for a SurfaceMesh. More...

#include <pmp/visualization/MeshViewer.h>

Inherited by MeshProcessingViewer, Viewer, Viewer, Viewer, Viewer, Viewer, Viewer, and Viewer.

Public Member Functions
	MeshViewer (const char *title, int width, int height, bool showgui=true)
	constructor More...

	~MeshViewer () override
	destructor More...

virtual void	load_mesh (const char *filename)
	load a mesh from file `filename` More...

void	load_matcap (const char *filename)
	load a matcap texture from file `filename` More...

void	load_texture (const char *filename, GLint format=GL_RGB, GLint min_filter=GL_LINEAR_MIPMAP_LINEAR, GLint mag_filter=GL_LINEAR, GLint wrap=GL_CLAMP_TO_EDGE)
	load a texture from file `filename` More...

virtual void	update_mesh ()
	update mesh normals and all buffers for OpenGL rendering. More...

void	draw (const std::string &draw_mode) override
	draw the scene in different draw modes More...

void	process_imgui () override
	handle ImGUI interface More...

void	keyboard (int key, int code, int action, int mod) override
	this function handles keyboard events More...

Vertex	pick_vertex (int x, int y)
	get vertex closest to 3D position Distributed under the mouse cursor More...

Public Member Functions inherited from TrackballViewer
	TrackballViewer (const char *title, int width, int height, bool showgui=true)
	constructor More...

	~TrackballViewer () override
	destructor More...

void	set_scene (const vec3 &center, float radius)
	define the center and radius of the scene/ used for trackball rotation More...

void	view_all ()
	adjust camera such that the whole scene (defined by set_scene()) is visible More...

Public Member Functions inherited from Window
	Window (const char *title, int width, int height, bool showgui=true)
	constructor More...

virtual	~Window ()
	destructor More...

int	run ()
	main window loop More...

Protected Attributes
SurfaceMeshGL	mesh_
	the mesh More...

std::string	filename_
	the current file More...

Protected Attributes inherited from TrackballViewer
unsigned int	draw_mode_
	draw modes More...

vec3	center_
	scene position and dimension More...

float	near_
	projection parameters More...

mat4	projection_matrix_
	OpenGL matrices. More...

ivec2	last_point_2d_
	trackball helpers More...

Additional Inherited Members
Protected Member Functions inherited from TrackballViewer
void	display () override
	this function is called when the scene has to be rendered. More...

void	keyboard (int key, int code, int action, int mods) override
	this function handles keyboard events More...

void	mouse (int button, int action, int mods) override
	this function handles mouse button events More...

void	motion (double xpos, double ypos) override
	this function handles mouse motion (passive/active position) More...

void	scroll (double xoffset, double yoffset) override
	this function handles mouse scroll events More...

void	resize (int width, int height) override
	this function is called if the window is resized More...

void	clear_draw_modes ()
	reset the list of draw modes More...

unsigned int	add_draw_mode (const std::string &drawMode)
	add a draw mode More...

void	set_draw_mode (const std::string &drawMode)
	activate a draw mode More...

virtual void	init ()
	initialize all OpenGL states More...

void	rotation (int x, int y)
	turn a mouse event into a rotation around the scene center. calls rotate(). More...

void	translation (int x, int y)
	turn a mouse event into a translation in the view plane. calls translate(). More...

void	zoom (int x, int y)
	turn a mouse event into a zoom, i.e., translation in z-direction. calls translate(). More...

bool	pick (vec3 &result)
	get 3D position under the mouse cursor More...

bool	pick (int x, int y, vec3 &result)
	get 3D position of 2D position (x,y) More...

void	fly_to (int x, int y)
	fly toward the position Distributed under the mouse cursor and set rotation center to it More...

void	translate (const vec3 &trans)
	translate the scene and update modelview matrix More...

void	rotate (const vec3 &axis, float angle)
	rotate the scene (around its center) and update modelview matrix More...

bool	map_to_sphere (const ivec2 &point, vec3 &result)
	virtual trackball: map 2D screen point to unit sphere. used by rotate(). More...

Protected Member Functions inherited from Window
virtual void	character (unsigned int)
	this function handles unicode character events More...

virtual void	do_processing ()
	this function is called just before rendering More...

void	init_imgui ()
	setup ImGUI user interface More...

void	scale_imgui (float scale)
	scale ImGUI elements and font More...

bool	show_imgui () const
	is ImGUI visible or hidden? More...

void	show_imgui (bool b)
	show or hide ImGUI More...

void	clear_help_items ()
	clear help items More...

void	add_help_item (std::string key, std::string description, int position=-1)
	add key binding (or general action description) More...

void	show_help ()
	show ImGUI help dialog More...

void	screenshot ()
	take a screenshot, save it to `title-n.png` using the window title and an incremented number `n`. More...

int	width () const
	width of window More...

int	height () const
	height of window More...

float	high_dpi_scaling () const
	highDPI scaling More...

float	imgui_scaling () const
	imgui scaling More...

void	cursor_pos (double &x, double &y) const
	get position of mouse cursor More...

bool	left_mouse_pressed () const
	is left mouse button pressed down? More...

bool	right_mouse_pressed () const
	is right mouse button pressed down? More...

bool	middle_mouse_pressed () const
	is middle mouse button pressed down? More...

bool	ctrl_pressed () const
	is CTRL modifier key pressed down? More...

bool	alt_pressed () const
	is ALT modifier key pressed down? More...

bool	shift_pressed () const
	is SHIFT modifier key pressed down? More...

Detailed Description

Simple viewer for a SurfaceMesh.

Constructor & Destructor Documentation

◆ MeshViewer()

MeshViewer	(	const char *	title,
		int	width,
		int	height,
		bool	showgui = `true`
	)

constructor

◆ ~MeshViewer()

~MeshViewer ( )

overridedefault

destructor

Member Function Documentation

◆ draw()

void draw ( const std::string & draw_mode )

overridevirtual

draw the scene in different draw modes

Implements TrackballViewer.

◆ keyboard()

void keyboard	(	int	key,
		int	code,
		int	action,
		int	mod
	)

overridevirtual

this function handles keyboard events

Reimplemented from Window.

◆ load_matcap()

void load_matcap ( const char * filename )

load a matcap texture from file filename

◆ load_mesh()

void load_mesh ( const char * filename )

virtual

load a mesh from file filename

◆ load_texture()

void load_texture	(	const char *	filename,
		GLint	format = `GL_RGB`,
		GLint	min_filter = `GL_LINEAR_MIPMAP_LINEAR`,
		GLint	mag_filter = `GL_LINEAR`,
		GLint	wrap = `GL_CLAMP_TO_EDGE`
	)

load a texture from file filename

◆ pick_vertex()

Vertex pick_vertex	(	int	x,
		int	y
	)

get vertex closest to 3D position Distributed under the mouse cursor

◆ process_imgui()

void process_imgui ( )

overridevirtual

handle ImGUI interface

Reimplemented from Window.

◆ update_mesh()

void update_mesh ( )

virtual

update mesh normals and all buffers for OpenGL rendering.

call this function whenever you change either the vertex positions or the triangulation of the mesh

Member Data Documentation

◆ filename_

std::string filename_

protected

the current file

◆ mesh_

SurfaceMeshGL mesh_

protected

the mesh

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ MeshViewer()

◆ ~MeshViewer()

Member Function Documentation

◆ draw()

◆ keyboard()

◆ load_matcap()

◆ load_mesh()

◆ load_texture()

◆ pick_vertex()

◆ process_imgui()

◆ update_mesh()

Member Data Documentation

◆ filename_

◆ mesh_