Description

Run-time visualization support for Chrono::FSI systems.

Note that using run-time visualization for a Chrono::FSI system incurs the penalty of collecting positions of all particles every time the Render() function is invoked.

#include <ChFsiVisualization.h>

Inheritance diagram for chrono::fsi::ChFsiVisualization:

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Collaboration diagram for chrono::fsi::ChFsiVisualization:

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Public Types
enum	RenderMode { POINTS, WIREFRAME, SOLID }
	Rendering mode for particles and mesh objects.

Public Member Functions
	ChFsiVisualization (ChSystemFsi *sysFSI)
	Create a run-time FSI visualization object associated with a given Chrono::Fsi system.

virtual void	SetTitle (const std::string &title)
	Set title of the visualization window (default: "").

virtual void	SetSize (int width, int height)
	Set window dimensions (default: 1280x720).

virtual void	AddCamera (const ChVector3d &pos, const ChVector3d &target)
	Add a camera initially at the specified position and target (look at) point.

virtual void	UpdateCamera (const ChVector3d &pos, const ChVector3d &target)
	Set camera position and target (look at) point.

virtual void	SetCameraVertical (CameraVerticalDir up)
	Set camera up vector (default: Z).

virtual void	SetCameraMoveScale (float scale)
	Set scale for camera movement increments (default: 0.1).

virtual void	SetParticleRenderMode (RenderMode mode)
	Set rendering mode for SPH particles. More...

virtual void	SetRenderMode (RenderMode mode)
	Set rendering mode for mesh objects (default: WIREFRAME).

void	SetColorFluidMarkers (const ChColor &col)
	Set default color for fluid SPH particles (default: [0.10, 0.40, 0.65]).

void	SetColorBoundaryMarkers (const ChColor &col)
	Set default color for boundary BCE markers (default: [0.65, 0.30, 0.03]).

void	SetColorRigidBodyMarkers (const ChColor &col)
	Set default color for rigid body BCE markers (default: [0.10, 0.60, 0.30]).

void	SetColorFlexBodyMarkers (const ChColor &col)
	Set default color for flex body BCE markers (default: [0.40, 0.10, 0.65]).

void	SetSPHColorCallback (std::shared_ptr< ChParticleCloud::ColorCallback > functor)
	Set a callback for dynamic coloring of SPH particles. More...

void	SetImageOutputDirectory (const std::string &dir)
	Set output directory for saving frame snapshots (default: ".").

void	SetImageOutput (bool val)
	Enable/disable writing of frame snapshots to file.

virtual void	EnableInfoOverlay (bool val)
	Enable/disable information overlay (default: true).

void	EnableFluidMarkers (bool val)
	Enable/disable rendering of fluid SPH particles (default: true).

void	EnableRigidBodyMarkers (bool val)
	Enable/disable rendering of rigid-body BCE markers (default: true).

void	EnableFlexBodyMarkers (bool val)
	Enable/disable rendering of flex-body BCE markers (default: true).

void	EnableBoundaryMarkers (bool val)
	Enable/disable rendering of boundary BCE markers (default: false).

void	AttachSystem (ChSystem *system)
	Attach a user-provided Chrono system for rendering. More...

void	AddProxyBody (std::shared_ptr< ChBody > body)
	Add additional proxy body to supplemental system. More...

virtual void	Initialize ()
	Initialize the run-time visualization system.

virtual bool	Render ()=0
	Render the current state of the Chrono::Fsi system. More...

ChSystem *	GetSystem () const
	Return the internal Chrono system that holds visualization shapes.

Protected Attributes
ChSystemFsi *	m_systemFSI
	associated Chrono::FSI system

ChSystem *	m_system
	internal Chrono system (holds proxies)

ChSystem *	m_user_system
	optional user-provided system

bool	m_sph_markers
	render fluid SPH particles?

bool	m_bndry_bce_markers
	render boundary BCE markers?

bool	m_rigid_bce_markers
	render rigid-body BCE markers?

bool	m_flex_bce_markers
	render flex-body markers?

std::shared_ptr< ChParticleCloud >	m_sph_cloud
	particle cloud proxy for SPH particles

std::shared_ptr< ChParticleCloud >	m_bndry_bce_cloud
	particle cloud proxy for boundary BCE markers

std::shared_ptr< ChParticleCloud >	m_rigid_bce_cloud
	particle cloud proxy for BCE markers on rigid bodies

std::shared_ptr< ChParticleCloud >	m_flex_bce_cloud
	particle cloud proxy for BCE markers on flex bodies

ChColor	m_sph_color
	color for SPH particles

ChColor	m_bndry_bce_color
	color for boundary BCE markers

ChColor	m_rigid_bce_color
	color for BCE markers on rigid bodies

ChColor	m_flex_bce_color
	color for BCE markers on flex bodies

std::shared_ptr< ChParticleCloud::ColorCallback >	m_color_fun
	dynamic color functor for SPH particles

bool	m_write_images
	if true, save snapshots

std::string	m_image_dir
	directory for image files

Member Function Documentation

◆ AddProxyBody()

void chrono::fsi::ChFsiVisualization::AddProxyBody ( std::shared_ptr< ChBody > body )

Add additional proxy body to supplemental system.

Must be called before Initialize(). The provided body is set fixed to ground and it is the caller's responsibility to update the position of this body before a call to Render().

◆ AttachSystem()

void chrono::fsi::ChFsiVisualization::AttachSystem ( ChSystem * system )

inline

Attach a user-provided Chrono system for rendering.

By default, the FSI run-time visualization renders SPH particles and BCE markers. This function can be used to also render the mechanical system interacting with the SPH system.

◆ Render()

virtual bool chrono::fsi::ChFsiVisualization::Render ( )

pure virtual

Render the current state of the Chrono::Fsi system.

This function, typically invoked from within the main simulation loop, can only be called after construction of the FSI system was completed (i.e., the system was initialized). This function querries the positions of all particles in the FSI system in order to update the positions of the proxy bodies. Returns false if the visualization window was closed.

Implemented in chrono::fsi::ChFsiVisualizationVSG, and chrono::fsi::ChFsiVisualizationGL.

◆ SetParticleRenderMode()

void chrono::fsi::ChFsiVisualization::SetParticleRenderMode ( RenderMode mode )

virtual

Set rendering mode for SPH particles.

Must be called before Initialize().

Reimplemented in chrono::fsi::ChFsiVisualizationGL, and chrono::fsi::ChFsiVisualizationVSG.

◆ SetSPHColorCallback()

void chrono::fsi::ChFsiVisualization::SetSPHColorCallback ( std::shared_ptr< ChParticleCloud::ColorCallback > functor )

inline

Set a callback for dynamic coloring of SPH particles.

If none provided, SPH particles are rendered with a default color.

The documentation for this class was generated from the following files:

/builds/uwsbel/chrono/src/chrono_fsi/visualization/ChFsiVisualization.h
/builds/uwsbel/chrono/src/chrono_fsi/visualization/ChFsiVisualization.cpp