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<title>QMidiPlayer Help</title>
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<ul>
<li><a href="index.html">Overview</a></li>
<li><a href="mainwindow.html">Main Window</a></li>
<li><a href="channeldialog.html">Channels Dialog</a></li>
<li><a href="channeleditor.html">Channel Editor</a></li>
<li><a href="plistdialog.html">Playlist</a></li>
<li><a href="efxdialog.html">Effects</a></li>
<li><a href="optionsdialog.html">Settings</a></li>
<li><a class="active" href="visualization.html">Visualization</a></li>
<li><a href="cmdargs.html">Commandline arguments</a></li>
<li><a href="troubleshooting.html">Troubleshooting</a></li>
<li><a href="miscellaneous.html">Miscellaneous</a></li>
<li><a href="version.html">Version Info.</a></li>
<li><a href="license.html">License</a></li>
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<h1>Visualization</h1>
<img src="../img/visualizationss.png"><br>
The default visualization comes as a plugin of QMidiPlayer. So before using it you
have to enable it first in the plugin manager.<br>
To use the visualization, click the Visualization button in the main window.<br>
The visualization plugin adds two new option tabs.
<h3>Controls</h3>
<pre>
forward
| ↱Hold left mouse button and drag:
up | down ┌──┬──┐ Adjust viewport.
↓ ↓ ↓ │ │ │
Q W E R←reset viewport ├──┴──┤
A S D │ │
↑ ↑ ↑ │ │
left | right ← → │ │
| Seek left/right └─────┘
backward (Hold shift to seek 5% instead of 1%)
</pre>
<h3>Options</h3>
The options listed here are applied after closing and reopening the visualization.
<ul>
<li>
Visualization-Appearance
<ul>
<li>Show Piano: Whether to show the virtual piano in the visualization scene. Currently drawing the piano is very expensive, so it is not recommended to enable this unless you have a beefy computer.</li>
<li>3D Notes: 2D notes are used when this is unchecked. Using 2D notes is less resource-hungry.</li>
<li>Arrange channels on a stair: If checked, virtual pianos will be arranged on a stair-like shape. This option has no effect if virtual piano is not shown.</li>
<li>Show channel labels: If checked, channel preset will be shown on the left side.</li>
<li>Show particles: Whether to draw particles. Very resource-intensive!</li>
<li>Horizontal Visualization: Uses a horizontal visualization style. Overrides everything above except 3D Notes.</li>
<li>2D Visualization: Tick this to use a simple 2D visualization instead. Much less resource-demanding.</li>
<li>Use spectrum instead of piano roll: Draw spectrum-like bars over the piano.</li>
<li>View distance: This option affects the maximum number of notes rendered on the screen. Only applies to the 3D visualization.</li>
<li>Note stretch: The length multiplier of notes.</li>
<li>Minimum note length: Avoid notes that are too short to be visible by adjusting this value.</li>
<li>Chequer board tint (AARRGGBB): change the color of the chequer board background.</li>
<li>Background Image: Use a background image instead of the default dull grey color.</li>
</ul>
</li>
<li>
Visualization-Video
<ul>
<li>Enable VSync: Enable vertical synchronization.</li>
<li>Save Viewport: Restore last camera configuration when the visualization is started.</li>
<li>Window Width/Height: Change the window size. If the size equals to your screen size, the visualization will start in fullscreen mode.</li>
<li>FPS: FPS limit of the visualization.</li>
<li>Supersampling: Supersample anti-aliasing. 1 means no SSAA.</li>
<li>Multisampling: Multisample anti-aliasing. 0 means no MSAA.</li>
<li>FOV: Field of view.</li>
<li>OSD Position: Change position of the on screen display, or simply disable it.</li>
<li>Font size: Change font size used by the visualization. Useful for HiDPI screens.</li>
</ul>
</li>
<li>
Key-only options<br>
Options listed here does not provide an entry in the option GUI. You have to add them to the configuration file manually if they don't exist in it.
<ul>
<li>px py pz rx ry rz (automatically created if save viewport is set to true): Doubles. Saves the last viewport. (px,py,pz): Position of the camera. (rx,ry,rz): Orientation of the camera.</li>
<li>chActiveColor<channel id 0..15> : Unsigned 32-bit integers. Colors of sounding notes.</li>
<li>chInactiveColor<channel id 0..15> : Unsigned 32-bit integers. Colors of normal notes.</li>
</ul>
</li>
</ul>
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