📄 instructions.html
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<meta name="Author" content="Klaus Engel">
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<title>Pre-Integrated Volume Rendering</title>
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<h1>
Instructions</h1></center>
<center>Program parameters:
<br>**************************************************************************<br> Pre-Integrated Volume Visualization - (c) 2001 Klaus Engel <br> usage: volume fileName.dat <palette.table> <-sb> <-ss n> <-qb> <-ct> <br> <-iso n> <-shd> <-fx> <br> <br> -sb: single buffering instead of double buffering <br> -ss n: subsample volume during loading, 1/n resolution <br> -qb: quadbuffer stereo <br> -ct: correct transparency mode (enable stencil buffer) <br> -iso n:initial rendering mode: isosurface, n isosurfaces <br> -shd: initial rendering mode: volume shading <br> -fx: enable effects mode <br> -obj <file>: load and show alias wavefront obj file <br> -orb <orbvectorfile>: molecular orbital mode <br>**************************************************************************<p>Mouse:
<br>left button: rotate
<br>middle button: translate
<br>right button: zoom
<br>Use buttons on bottom of window to change rendering mode
<br>in isosurface mode: use slider to change isovalue
<br>in direct or volume shading mode: click transfer function, use panel
to change transfer function
<p>Keyboard:</center>
<center><table BORDER COLS=2 WIDTH="100%" NOSAVE >
<tr>
<td>Key</td>
<td>Comment</td>
</tr>
<tr>
<td>ESC</td>
<td>exit program</td>
</tr>
<tr>
<td>h</td>
<td>show help</td>
</tr>
<tr>
<td>SPACE</td>
<td>render (only for emulation mode)</td>
</tr>
<tr>
<td>i</td>
<td>switch to isosurface mode</td>
</tr>
<tr>
<td>t</td>
<td>show transfer function</td>
</tr>
<tr>
<td>s</td>
<td>show dependent texture</td>
</tr>
<tr>
<td>j</td>
<td>toggle shading mode
<br>(pre-integrated <-> post-classification shading)</td>
</tr>
<tr>
<td>k</td>
<td>build random transfer function (high frequencies)</td>
</tr>
<tr>
<td>b</td>
<td>toggle bounding box</td>
</tr>
<tr>
<td>o</td>
<td>toggle text display</td>
</tr>
<tr>
<td>p</td>
<td>toggle projection mode (back to front, front to back)</td>
</tr>
<tr>
<td>l</td>
<td>toggle slice polygon display</td>
</tr>
<tr>
<td>!</td>
<td>write viewpoint(viewpoint.txt)</td>
</tr>
<tr>
<td>@</td>
<td>read viewpoint (viewpoint.txt)</td>
</tr>
<tr>
<td>w</td>
<td>write palette (palette.table)</td>
</tr>
<tr>
<td>W</td>
<td>read palette (palette.table)</td>
</tr>
<tr>
<td>m</td>
<td>toggle texture compression</td>
</tr>
<tr>
<td>+</td>
<td>increase isovalue</td>
</tr>
<tr>
<td>-</td>
<td>decrease isovalue</td>
</tr>
<tr>
<td>c</td>
<td>activate clipping plane (does not work properly, driver bug)</td>
</tr>
<tr>
<td>cursor keys</td>
<td>move clipping plane</td>
</tr>
<tr>
<td>]</td>
<td>increase light intensity</td>
</tr>
<tr>
<td>[</td>
<td>decrease light intensity</td>
</tr>
<tr>
<td>d</td>
<td>toggle specular lighting</td>
</tr>
<tr>
<td>\</td>
<td>increase number of isosurfaces</td>
</tr>
<tr>
<td>;</td>
<td>decrease number of isosurfaces</td>
</tr>
<tr>
<td>*</td>
<td>modify next isovalue</td>
</tr>
<tr>
<td>/</td>
<td>modify previous isovalue</td>
</tr>
<tr>
<td>r</td>
<td>toggle adaptive reduction (1/2 resolution during interaction)</td>
</tr>
<tr>
<td>f</td>
<td>toggle fast dependent texture update (default: fast)</td>
</tr>
<tr>
<td>e</td>
<td>toggle explicit render mode (use space to render)</td>
</tr>
</table></center>
<center>
<p><img SRC="tutorial.JPG" height=1200 width=648>
<p>Known bugs:
<br>- clipping plane does not work properly on GeForce3 in 2D texture mode<br>
<hr WIDTH="100%">
<br><a href="mailto:engel@informatik.uni-stuttgart.de">Klaus Engel</a>,
20. Apr 2001</center>
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