Programming Reference:ComplexVisualizationDemo Signal Processing - Revision history

Mellinger: /* See also */

2023-06-14T16:30:30Z

Mellinger: /* Declaration of internal variables */

2023-06-14T15:39:41Z

Declaration of internal variables

← Older revision		Revision as of 15:39, 14 June 2023
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	~VisualizationObject();		~VisualizationObject();
	void setTitle(const std::string&, const std::string& info = "");		void setTitle(const std::string&, const std::string& info = "");
	void setPosition(~~const GUI::Rect&~~);		void setPosition(int row, int col, int rowSpan = 1, int colSpan = 1);
	void reset();		void reset();
	void update(const GenericSignal&);		void update(const GenericSignal&);

Mellinger: /* VisualizationObject::reset() */

2023-06-14T15:37:33Z

VisualizationObject::reset()

← Older revision		Revision as of 15:37, 14 June 2023
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	ComplexVisualizationDemoFilter::Private::VisualizationObject::reset()		ComplexVisualizationDemoFilter::Private::VisualizationObject::reset()
	{		{
	// ~~reset position and size~~		// place window into a container window named "CPLX" (will be created implicitly)
	~~mVis.Send~~(~~CfgID::Left, mPosition.left~~);		mVis.Send(CfgID::PlacementVis, "CPLX");
	mVis.Send(CfgID::~~Top~~, ~~mPosition.top~~);		mVis.Send(CfgID::PlacementRow, mRow);
	mVis.Send(CfgID::~~Width~~, ~~mPosition.Width()~~);		mVis.Send(CfgID::PlacementCol, mCol);
	mVis.Send(CfgID::~~Height~~, ~~mPosition.Height()~~);		mVis.Send(CfgID::WindowFrame, false); // hide title
	mVis.Send(CfgID::~~WindowTitle~~, ~~mTitle~~);
	// ~~setting CfgID::WindowFrame to false will~~ hide ~~the window's~~ title ~~bar and frame~~
	~~mVis.Send(CfgID::WindowFrame, false);~~
	mVis.Send(CfgID::Visible, true);		mVis.Send(CfgID::Visible, true);

Mellinger: /* See also */

2023-06-14T15:33:29Z

Mellinger: /* Declaration of internal variables */

2023-06-14T15:31:02Z

Declaration of internal variables

← Older revision		Revision as of 15:31, 14 June 2023
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	private:		private:
	~~void reset();~~
	void asyncUpdate();		void asyncUpdate();

Mellinger: /* Function */

2023-06-14T15:30:17Z

Function

← Older revision		Revision as of 15:30, 14 June 2023
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	Operator visualization windows have no frames or title bars, and are arranged in form of a triangular matrix, with each window appearing at the place of its associated correlation matrix element:		Operator visualization windows have no frames or title bars, and are arranged in form of a triangular matrix, with each window appearing at the place of its associated correlation matrix element:

	[[File:ComplexVisualizationDemo.PNG]]		[[File:ComplexVisualizationDemo.PNG]]

Mellinger at 15:17, 14 June 2023

2023-06-14T15:17:02Z

← Older revision		Revision as of 15:17, 14 June 2023
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	The ''ComplexVisualizationDemoFilter'' computes pairwise determination coefficients (squared correlation, <math>r^2</math> values) between its input channels. Determination coefficients are visualized in form of pie charts, and pie charts are sent to the operator module as bitmap visualization data.		The ''ComplexVisualizationDemoFilter'' computes pairwise determination coefficients (squared correlation, <math>r^2</math> values) between its input channels. Determination coefficients are visualized in form of pie charts, and pie charts are sent to the operator module as bitmap visualization data.

	Operator visualization windows have no frames or title bars, and are arranged in form of a ~~lower~~ triangular matrix, with each window appearing at the place of its associated correlation matrix element:		Operator visualization windows have no frames or title bars, and are arranged in form of a triangular matrix, with each window appearing at the place of its associated correlation matrix element:
	[[File:ComplexVisualizationDemo.PNG]]		[[File:ComplexVisualizationDemo.PNG]]

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	// Destroys all visualization objects.		// Destroys all visualization objects.
	void destroyVisualizations();		void destroyVisualizations();
	// ~~Asynchronously sets~~ visualizations to their initial state.		// Resets visualizations to their initial state.
	void resetVisualizations();		void resetVisualizations();
	// Computes data values, and asynchronously updates visualization bitmaps.		// Computes data values, and asynchronously updates visualization bitmaps.
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	private:		private:
	void ~~asyncReset~~();		void reset();
	void asyncUpdate();		void asyncUpdate();

	~~MemberCall<void(VisualizationObject*)> mCallAsyncReset;~~
	MemberCall<void(VisualizationObject*)> mCallAsyncUpdate;		MemberCall<void(VisualizationObject*)> mCallAsyncUpdate;

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	</syntaxhighlight>		</syntaxhighlight>

	===~~<tt>VisualizationObject::reset()</tt> and~~ <tt>VisualizationObject::update()</tt>===		===<tt>VisualizationObject::update()</tt>===
	~~These functions run <tt>VisualizationObject::asyncReset()</tt> and~~ <tt>VisualizationObject::asyncUpdate()</tt> inside the object's worker thread in order to avoid interference with timing of the main BCI2000 thread.		This function runs <tt>VisualizationObject::asyncUpdate()</tt> inside the object's worker thread in order to avoid interference with timing of the main BCI2000 thread (pipeline thread).
	<syntaxhighlight lang="cpp">		<syntaxhighlight lang="cpp">
	~~void~~
	~~ComplexVisualizationDemoFilter::Private::VisualizationObject::reset()~~
	{
	~~if(!mWorker.Run(mCallAsyncReset))~~
	~~throw bcierr << "cannot initialize: worker is busy or dead";~~
	}

	void		void
	ComplexVisualizationDemoFilter::Private::VisualizationObject::update(const GenericSignal& Input)		ComplexVisualizationDemoFilter::Private::VisualizationObject::update(const GenericSignal& Input)
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	</syntaxhighlight>		</syntaxhighlight>

	===<tt>VisualizationObject::~~asyncReset~~()</tt>===		===<tt>VisualizationObject::reset()</tt>===
	This function resets the visualization window's position and size before sending an empty reference frame to the operator.		This function resets the visualization window's position and size before sending an empty reference frame to the operator.
	<syntaxhighlight lang="cpp">		<syntaxhighlight lang="cpp">
	void		void
	ComplexVisualizationDemoFilter::Private::VisualizationObject::~~asyncReset~~()		ComplexVisualizationDemoFilter::Private::VisualizationObject::reset()
	{		{
	// reset position and size		// reset position and size

Mellinger: /* VisImageDecimation */

2022-07-13T13:32:11Z

VisImageDecimation

← Older revision		Revision as of 13:32, 13 July 2022
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	The images' background color, in hexadecimal notation.		The images' background color, in hexadecimal notation.
	===VisImageDecimation===		===VisImageDecimation===
	A positive integer that indicates how often images are refreshed. 1 means ~~every~~ refresh on every signal packet.		A positive integer that indicates how often images are refreshed. 1 means refresh on every signal packet.

	===VisMaxWindows===		===VisMaxWindows===
	The maximum number of visualization windows created, or ''0'' for any number of windows.		The maximum number of visualization windows created, or ''0'' for any number of windows.

Mellinger: /* VisualizationObject::reset() and VisualizationObject::update() */

2022-07-13T12:17:26Z

VisualizationObject::reset() and VisualizationObject::update()

← Older revision		Revision as of 12:17, 13 July 2022
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	{		{
	mComputation.run(Input);		mComputation.run(Input);
	mWorker.Run(mCallAsyncUpdate); // will fail if worker still busy		mWorker.Run(mCallAsyncUpdate); // will fail silently if worker still busy
	}		}
	</syntaxhighlight>		</syntaxhighlight>

Mellinger: /* VisualizationObject::asyncUpdate() */

2022-07-13T12:12:48Z

VisualizationObject::asyncUpdate()

← Older revision		Revision as of 12:12, 13 July 2022
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	mpValueField->SetText(oss.str());		mpValueField->SetText(oss.str());

	// Draw a pie shape that is full angle when value == 1, and that reduces to a line when value == 1.		// Draw a pie shape that is full angle when value == 1, and that reduces to a line when value == 0.
	float angle = 270;		float angle = 270;
	if(value == value) // not NaN		if(value == value) // not NaN

← Older revision		Revision as of 16:30, 14 June 2023
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	==See also==		==See also==
	[[Programming Reference:GraphDisplay Class]], [[Programming Reference:GenericVisualization Class]], [[Programming Reference:VisualizationDemo Signal Processing]], [[Technical Reference:Visualization Properties]]		[[Programming Reference:GraphDisplay Class]], [[Programming Reference:GenericVisualization Class]], [[Programming Reference:VisualizationDemo Signal Processing]], [[Programming Reference:VisualizationContainerDemo Signal Processing]], [[Technical Reference:Visualization Properties]]

	[[Category:Framework API]][[Category:Howto]][[Category:Development]]		[[Category:Framework API]][[Category:Howto]][[Category:Development]]

← Older revision		Revision as of 15:33, 14 June 2023
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	==See also==		==See also==
	[[Programming Reference:GraphDisplay Class]], [[Programming Reference:GenericVisualization Class]], [[Programming Reference:VisualizationDemo Signal Processing]]		[[Programming Reference:GraphDisplay Class]], [[Programming Reference:GenericVisualization Class]], [[Programming Reference:VisualizationDemo Signal Processing]], [[Technical Reference:Visualization Properties]]

	[[Category:Framework API]][[Category:Howto]][[Category:Development]]		[[Category:Framework API]][[Category:Howto]][[Category:Development]]