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Hugues Hoppe
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README.html
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README.html
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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@ -47,7 +47,7 @@
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<!--<li><em>optimized mesh traversal</em> (for transparent vertex caching)</li>-->
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</ul>
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<p>The source code follows modern C++11 style and is designed for cross-platform use.</p>
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<h2>Version history</h2>
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<p>2016-04-28 — initial release.</p>
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@ -61,14 +61,14 @@
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the code can also be compiled using <code>gcc</code> and <code>clang</code> compilers
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(and Visual Studio <code>cl</code> compiler)
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using <code>Makefiles</code> designed for GNU <code>make</code>.</p>
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<p>Reading/writing of images and videos is enabled using several options.
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If available, image I/O can use <code>libpng</code>/<code>libjpeg</code> or Windows Imaging Component (WIC).
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Video I/O can use Windows Media Foundation (WMF).
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Across all platforms, if the command <a href="https://ffmpeg.org/"><code>ffmpeg</code></a>
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is present in the <code>PATH</code>,
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it is spawned in a piped subprocess for both image and video I/O.</p>
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<p>On Mac OS X, it is necessary to install
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<a href="https://www.xquartz.org/"><code>XQuartz</code></a> for <code>X11</code> support and
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<a href="http://evermeet.cx/ffmpeg/"><code>ffmpeg</code></a> for image/video I/O.</p>
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@ -191,17 +191,17 @@
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</tr>
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<!--<tr id="pub_newqem">
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<td class="lcell">
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<img class="thumbnail" src="thumbnails/newqem.red.jpg" width="240" height="136" alt=""/>
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</td>
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<td class="rcell">
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<div class="title"><a href="http://research.microsoft.com/~hoppe/proj/newqem/">New quadric metric for simplifying meshes with appearance attributes</a>.</div>
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<div class="authors">Hugues Hoppe.</div>
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<div class="pub"><cite>IEEE Visualization 1999 Conference</cite>, 59-66.</div>
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<div class="desc">Efficient simplification metric designed around correspondence in 3D space.</div>
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<div class="bins"><span class="sprogram">programs:</span> <a href="#prog_MeshSimplify">MeshSimplify</a></div>
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<div class="demos"><span class="sdemos">demos:</span> create_pm_gaudipark, view_pm_gaudipark</div>
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</td>
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<td class="lcell">
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<img class="thumbnail" src="thumbnails/newqem.red.jpg" width="240" height="136" alt=""/>
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</td>
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<td class="rcell">
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<div class="title"><a href="http://research.microsoft.com/~hoppe/proj/newqem/">New quadric metric for simplifying meshes with appearance attributes</a>.</div>
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<div class="authors">Hugues Hoppe.</div>
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<div class="pub"><cite>IEEE Visualization 1999 Conference</cite>, 59-66.</div>
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<div class="desc">Efficient simplification metric designed around correspondence in 3D space.</div>
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<div class="bins"><span class="sprogram">programs:</span> <a href="#prog_MeshSimplify">MeshSimplify</a></div>
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<div class="demos"><span class="sdemos">demos:</span> create_pm_gaudipark, view_pm_gaudipark</div>
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</td>
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</tr>-->
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<tr id="pub_vdrpm">
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@ -247,17 +247,17 @@
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</tr>
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<!--<tr id="pub_tvc">
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<td class="lcell">
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<img class="thumbnail" src="thumbnails/tvc.red.jpg" width="240" height="136" alt=""/>
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</td>
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<td class="rcell">
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<div class="title"><a href="http://research.microsoft.com/~hoppe/proj/tvc/">Optimization of mesh locality for transparent vertex caching</a>.</div>
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<div class="authors">Hugues Hoppe.</div>
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<div class="pub"><cite>ACM SIGGRAPH 1999 Proceedings</cite>, 269-276.</div>
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<div class="desc">Face reordering for efficient GPU vertex cache, advocating a FIFO policy.</div>
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<div class="bins"><span class="sprogram">programs:</span> <a href="#prog_MeshReorder">MeshReorder</a></div>
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<div class="demos"><span class="sdemos">demos:</span> create_vertexcache_result, view_vertexcache_result</div>
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</td>
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<td class="lcell">
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<img class="thumbnail" src="thumbnails/tvc.red.jpg" width="240" height="136" alt=""/>
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</td>
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<td class="rcell">
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<div class="title"><a href="http://research.microsoft.com/~hoppe/proj/tvc/">Optimization of mesh locality for transparent vertex caching</a>.</div>
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<div class="authors">Hugues Hoppe.</div>
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<div class="pub"><cite>ACM SIGGRAPH 1999 Proceedings</cite>, 269-276.</div>
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<div class="desc">Face reordering for efficient GPU vertex cache, advocating a FIFO policy.</div>
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<div class="bins"><span class="sprogram">programs:</span> <a href="#prog_MeshReorder">MeshReorder</a></div>
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<div class="demos"><span class="sdemos">demos:</span> create_vertexcache_result, view_vertexcache_result</div>
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</td>
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</tr>-->
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</table>
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@ -277,7 +277,7 @@
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<div class="codeline"><b>demos/all_demos_clean.sh</b></div>
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<p>or alternatively (and faster), invoke <code>make</code> to create all results in parallel and then view them sequentially:</p>
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<div class="codeline"><b>make</b> [CONFIG=<em>config</em>] -j demos # <em>config</em> ∈ {unix, win, w32, cygwin, mingw, mingw32, clang}</div>
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<p>Note that pressing the <kbd>Esc</kbd> key closes any open program window.</p>
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@ -319,7 +319,7 @@
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<li>shows the result in an interactive viewer using the specified view parameters,</li>
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<li>simulating keypresses <kbd>Dm</kbd> to enable flat shading and <kbd>De</kbd> to make mesh edges visible.</li>
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</ul>
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<p>The command</p>
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<div class="codeline" id="prog_Filtermesh"><b>FilterPM</b> demos/data/spheretext.pm -nf 2000 -outmesh | <br/>
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<b>Filtermesh</b> -angle 35 -silsubdiv -silsubdiv -mark | <br/>
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@ -441,13 +441,13 @@
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<li>saves the resulting optimized base mesh to a file. (The overall process takes a few minutes.)</li>
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</ul>
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<p>To view the result,</p>
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<div class="codeline"><b>G3dOGL</b> distcap.sub0.m <b>"Subdivfit</b> -mf distcap.sub0.m -nsub 2 -outn |<b>"</b> -st demos/data/distcap.s3d -key NDmDe -hwdelay 5 -hwkey N</div>
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<div class="codeline"><b>G3dOGL</b> distcap.sub0.m <b>"Subdivfit</b> -mf distcap.sub0.m -nsub 2 -outn |<b>"</b> -st demos/data/distcap.s3d -key NDmDe -hwdelay 5 -hwkey N</div>
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<ul>
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<li>reads the base mesh together with a second mesh obtained by applying two iterations of subdivision,</li>
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<li>shows the first mesh (<kbd>N</kbd>) with flat-shaded faces and edges (<kbd>DmDe</kbd>),</li>
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<li>waits for 5 seconds, and displays the second mesh (<kbd>N</kbd>) as a smooth surface without edges.</li>
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</ul>
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<h3 id="prog_MeshDistance">MeshDistance</h3>
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<p>This program computes measures of differences between two meshes.
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It samples a dense set of points from a first mesh and computes the
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<li>computes correspondences from points sampled on each mesh to the other mesh (in both directions), and</li>
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<li>reports differences in geometric distance, color, and surface normals, using both L<sup>2</sup> (rms) and L<sup>∞</sup> (max) norms.</li>
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</ul>
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<h2>Mesh simplification</h2>
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@ -508,10 +508,10 @@
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<!--<li>ignoring surface normals and giving high weight to boundary accuracy, and</li>-->
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<li>shows the result with mesh edges (<kbd>De</kbd>) and only ambient lighting.</li>
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</ul>
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<h2>Selective view-dependent mesh refinement</h2>
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<p>Within <code>demos/create_sr_office</code>, the script call</p>
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<div class="codeline">demos/bin/<b>meshtopm.</b><i>{sh,bat}</i> demos/data/office.nf80000.orig.m -vsgeom >office.sr.pm</div>
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<p>creates a progressive mesh
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<h2>Terrain level-of-detail control</h2>
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<p>Within <code>demos/create_sr_terrain.</code><i>{sh,bat}</i>,</p>
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<div class="codeline">Filterimage demos/data/gcanyon_elev_crop.bw.png -tobw -elevation -step 6 -scalez 0.000194522 -removekinks -tomesh | <br/>
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Filtermesh -assign_normals >gcanyon_sq200.orig.m</div>
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<p>The script <code>demos/view_gcanyon_interactive</code> launches an interactive flythrough over a Grand Canyon terrain model,
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using a progressive mesh precomputed from an original 4096×2048 height field.</p>
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<p>Alternatively, <code>demos/view_gcanyon_frames</code> shows a real-time flythrough using a pre-recorded flight path, whereby keystroke commands embedded within the input stream automatically change viewing modes.</p>
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<h2>Topology simplification</h2>
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<p>The program <code>MinCycles</code> removes topological noise from a mesh
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by iteratively pinching off the smallest nonseparating cycle of edges until a
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specified criterion (cycle length, number of cycle edges, number of cycles, or mesh genus) is reached.</p>
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<li>speeding up the process by identifying approximately shortest nonseparating cycles within a factor 1.2 of optimal, and</li>
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<li>shows the resulting closed edge cycles (tagged as sharp) in blue.</li>
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</ul>
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<!--<h2>Optimized mesh traversal</h2>
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<p>The program <code>MeshReorder</code> reorders the triangle faces (and optionally vertices) within a mesh so as to exploit a GPU vertex cache to minimize memory bandwidth and shading cost.</p>
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<p>For example, within <code>demos/create_vertexcache_result</code>,</p>
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<!--<h2>Optimized mesh traversal</h2>
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<p>The program <code>MeshReorder</code> reorders the triangle faces (and optionally vertices) within a mesh so as to exploit a GPU vertex cache to minimize memory bandwidth and shading cost.</p>
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<p>For example, within <code>demos/create_vertexcache_result</code>,</p>
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<div class="codeline">Filtermesh demos/data/small_stell_dodecahedron4.nsub4.m -renumber -removeinfo | <br/>
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<b>MeshReorder</b> - -fifo -cache_size 16 -analyze -meshify5 -color_corners 1 -analyze >small_stell_dodecahedron4.nsub4.vertexcache.m</div>
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<div class="codeline">G3dOGL small_stell_dodecahedron4.nsub4.vertexcache.m -key DmDe -lightambient .70 -lightsource .35</div>
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<li>writes the mesh with corner colors that identify cache misses,</li>
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<li>and finally views the result.</li>
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</ul>-->
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<h2 id="prog_G3dOGL">Geometry viewer</h2>
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<p>The <code><b>G3dOGL</b></code> program shows interactive rasterized renderings of 3D (and 2D) geometry,
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represented as</p>
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<p>The mouse/keyboard UI controls include:</p>
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<pre>
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Mouse movements:
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left mouse: rotate
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middle mouse: pan
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right mouse: dolly
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shift-left: pan
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shift-middle mouse: roll
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shift-right mouse: zoom
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left mouse: rotate
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middle mouse: pan
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right mouse: dolly
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shift-left: pan
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shift-middle mouse: roll
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shift-right mouse: zoom
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(mouse movements are with respect to current object; see '0-9' below)
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Important key strokes:
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?: print complete list of keys
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? : print complete list of keys
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D?: print list of keys prefixed by 'D'
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De: toggle edges
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Ds: toggle shading of faces
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Dm: toggle Gouraud/flat shading
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DP: save current window as an image file
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DS: toggle show some sliders
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S: toggle show some other sliders
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j: jump to a default viewpoint
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J: automatically rotate object
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S : toggle show some other sliders
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j : jump to a default viewpoint
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J : automatically rotate object
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D/: edit viewpoint filename
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,: read the viewpoint
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.: save the viewpoint
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, : read the viewpoint
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. : save the viewpoint
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0-9: select object (0=eye_frame, 1=first object, 2=second object...)
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u: display/hide current object
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N: select next object
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P: select previous object
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- =: decrease/increase the magnitude of all movements
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f: toggle flying (usually with '0' eye selected)
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u : display/hide current object
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N : select next object
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P : select previous object
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-=: decrease/increase the magnitude of all movements
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f : toggle flying (usually with '0' eye selected)
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</pre>
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<p>To record a 6-second (360-frame) video of a rotating mesh and then view the resulting video:</p>
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<div class="codeline">G3dOGL demos/data/standingblob.orig.m -st demos/data/standingblob.s3d -key iioJ -video 360 output_video.mp4</div>
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<p>The related program <code><b>G3dVec</b></code> shows wireframe hidden-line-removed renderings of <code>*.a3d</code> streams and <code>*.m</code> meshes.
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It can write vector-based Postscript figures (see <code>demos/view_hidden_line_removed</code>).</p>
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<p>In both programs, the keys <kbd>?</kbd> and <kbd>D?</kbd> show a list of available keyboard commands.</p>
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<h2 id="prog_VideoViewer">Image/video viewer</h2>
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<p>The <code><b>VideoViewer</b></code> program enables interactive viewing and simple editing of both images and videos.
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Again, the key <kbd>?</kbd> shows a list of available keyboard commands.
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Press <kbd>pageup</kbd>/<kbd>pagedown</kbd> to quickly browse through the videos and/or images in a directory.
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Audio is not currently supported.</p>
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<h2>File formats</h2>
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<h3>Mesh (<code>*.m</code>)</h3>
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<p>See the documentation at the end of <code>libHh/GMesh.h</code></p>
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<p>A mesh is a set of vertices and faces. These in turn also define edges and corners.
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See the several <code>demos/data/*.m</code> files for examples of the mesh format.
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Note that the indices of vertices and faces start at 1 instead of 0;
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in hindsight that was a poor choice.</p>
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<h3>Geometry stream (<code>*.a3d, *.pts</code>)</h3>
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<p>See the documentation at the end of <code>libHh/A3dStream.h</code></p>
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<p>The stream contains polygons, polylines, points, and control codes (like end-of-frame, end-of-input, change-of-object). Unlike in a mesh, these primitives do not share vertices. The stream can be either text or binary.</p>
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<h3>Frame stream (<code>*.frame, *.s3d</code>)</h3>
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<p>See the documentation at the end of <code>libHh/FrameIO.h</code></p>
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<p>This text or binary format encodes a 4×3 affine transformation (plus an object id and a scalar field-of-view zoom) as a text line. This format is used to record default viewing configurations, and sequences
|
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of frames for flythroughs.
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<p>This text or binary format encodes a 4×3 affine transformation (plus an object id and a scalar field-of-view zoom).
|
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It is used to record default viewing configurations, and sequences of frames for flythroughs.
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It usually represents the linear transform from object space (or eye space) to world space. The stream can be either text or binary.</p>
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||||
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||||
<h3>Progressive mesh (<code>*.pm</code>)</h3>
|
||||
<p>This is a binary representation that consists of a coarse base mesh and a sequence of vertex split records.</p>
|
||||
|
||||
|
||||
<h3>Edge collapse / vertex split records (<code>*.prog, *.rprog</code>)</h3>
|
||||
<p>These are temporary text files containing verbose information for a sequence of edge collapse / vertex split records used by MeshSimplify / reverselines / Filterprog to create a progressive mesh.</p>
|
||||
|
||||
|
||||
<h2>Libraries</h2>
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||||
|
||||
|
||||
<p>The library <a href="./libHh"><code>libHh</code></a> contains the main reusable classes.
|
||||
All files include <code>Hh.h</code> which sets up a common cross-platform environment.</p>
|
||||
|
||||
|
||||
<p>The libraries <a href="./libHWin"><code>libHWin</code></a> and
|
||||
<a href="./libHWX"><code>libHWX</code></a> define different implementations
|
||||
of a simple windowing interface (class <code>HW</code>),
|
||||
under <code>Win32</code> and <code>X Windows</code>, respectively.
|
||||
Both implementations support <code>OpenGL</code> rendering.</p>
|
||||
|
||||
|
||||
|
||||
|
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<h2>Code details</h2>
|
||||
|
||||
|
||||
<p>The include file <code>libHh/<b>RangeOp</b>.h</code> defines many functions that act on <em>ranges</em>,
|
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which are containers or views for which <code>begin()</code> and <code>end()</code> are defined.
|
||||
For example, the function call <code>hh::fill(ar, 1.f)</code> assigns the value <code>1.f</code> to all
|
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elements in the array named <code>ar</code>,
|
||||
and the function call <code>hh::mean(matrix)</code> computes the average value of all entries in the
|
||||
named <code>matrix</code>.</p>
|
||||
|
||||
|
||||
<p>The debugging macro <code><b>SHOW</b>(expr)</code> outputs <code>expr = ...</code> on <code>std::cerr</code>
|
||||
and also returns <code>expr</code>.
|
||||
It also accepts multiple arguments in which case it returns <code>void</code>.
|
||||
For example, <code>SHOW(min(1, 2), "hello", 3*2)</code> outputs the line <code>min(1, 2)=1 hello 3*2=6</code>.
|
||||
Note the special treatment of literal string values.</p>
|
||||
|
||||
|
||||
<p>Unicode strings are stored using <b>UTF-8</b> encoding into ordinary <code>std::string</code> variables.
|
||||
The functions <code>hh::widen()</code> and <code>hh::narrow()</code> convert to and from the
|
||||
<code>std::wstring</code> UTF-16 encodings used in <code>Win32</code> system calls.</p>
|
||||
|
||||
|
||||
<p>All files use end-of-line encodings based on Unix <code>'\n'</code> LF (rather than DOS <code>'\r\n'</code> CR+LF). All streams are opened in binary mode. This allows text and binary to coexist in the same file.</p>
|
||||
|
||||
|
||||
<h2>License</h2>
|
||||
<p>See the file <a href="./license.txt"><code>./license.txt</code></a>.</p>
|
||||
|
||||
<!--<p>This project has adopted the <a href="http://microsoft.github.io/codeofconduct">Microsoft Open Source Code of Conduct</a>. For more information see the <a href="http://microsoft.github.io/codeofconduct/faq.md">Code of Conduct FAQ</a> or contact <a href="mailto:opencode@microsoft.com">opencode@microsoft.com</a> with any additional questions or comments.</p>-->
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</body>
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||||
</html>
|
||||
|
|
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|||
20
cpp.hint
20
cpp.hint
|
|
@ -31,9 +31,7 @@
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|||
#define HH_RSTAT(S, range) do { HH_STAT(S); for (auto e : range) { S.enter(e); } } while (false)
|
||||
#define HH_RSTAT_RMS(S, range) do { HH_STAT(S); S.set_rms(); for (auto e : range) { S.enter(e); } } while (false)
|
||||
|
||||
// #define AS(x) x
|
||||
|
||||
#define MAF_SCOPED(x)
|
||||
#define AS(x) x
|
||||
|
||||
#define JPP(arglist) arglist // Image_IO.cpp jpeglib.h
|
||||
#define E(x) // MathOp.h and others
|
||||
|
|
@ -74,24 +72,10 @@
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|||
#define HH_PRINTF_ATTRIBUTE(x)
|
||||
|
||||
#define CONSTEXPR
|
||||
#define CONSTEXPR2
|
||||
|
||||
#define SHOW(x)
|
||||
#define SHOWL
|
||||
|
||||
#define HH_DECLARE_OSTREAM_EOL(...) \
|
||||
struct has_ostream_eol_aux<__VA_ARGS__> { static CONSTEXPR bool value() { return true; } }
|
||||
#define HH_DECLARE_OSTREAM_RANGE(...)
|
||||
|
||||
// I cannot get this to work completely. For now, it works only if SHOW has a single argument.
|
||||
// #undef SHOW
|
||||
// #define SHOW dummy_use
|
||||
// #define SHOW(x, y)
|
||||
// #define SHOW(...) ((void)(__VA_ARGS__))
|
||||
// #define SHOW(...) ((void)0)
|
||||
// #define SHOW(a, b, c, d, e, f)
|
||||
// #define SHOW()
|
||||
// #define SHOW printf
|
||||
// #define SHOW(x) ((void)0)
|
||||
// #define SHOW(x, y) ((void)0)
|
||||
#define SHOW(x)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<!-- Note: this is a manually authored files that captures many common build settings across projects. -->
|
||||
<!-- Note: this is a manually authored file that captures many common build settings across projects. -->
|
||||
<ImportGroup Label="PropertySheets" />
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup>
|
||||
|
|
|
|||
|
|
@ -117,7 +117,9 @@ bool HW::init_aux(Array<string>& aargs) {
|
|||
#if defined(_MSC_VER)
|
||||
// This program is taking care of DPI issues; Windows dwm should never rescale the window contents.
|
||||
// (default is PROCESS_DPI_UNAWARE; intermediate is PROCESS_SYSTEM_DPI_AWARE.)
|
||||
assertx(SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE)==S_OK);
|
||||
// assertx(SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE)==S_OK);
|
||||
// E_ACCESSDENIED if already set by prior call or in *.exe manifest.
|
||||
void(SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE));
|
||||
#else
|
||||
// assertx(SetProcessDPIAware()); // this older API is available; should be in user32.lib but not found
|
||||
#endif
|
||||
|
|
|
|||
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