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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>1.2. What's new</title><link rel="stylesheet" href="megapov.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.65.1"><link rel="home" href="index.html" title="MegaPOV Documentation"><link rel="up" href="introduction.html" title="Chapter 1. Introduction"><link rel="previous" href="introduction.html" title="Chapter 1. Introduction"><link rel="next" href="why.html" title="1.3. Why should i use MegaPOV?"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">1.2. What's new</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="introduction.html">Prev</a> </td><th width="60%" align="center">Chapter 1. Introduction</th><td width="20%" align="right"> <a accesskey="n" href="why.html">Next</a></td></tr></table><hr></div><div class="section" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="news"></a>1.2. What's new</h2></div></div><div></div></div><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="latest_changes"></a>1.2.1. MegaPOV 1.2.1 - 24 August 2005</h3></div></div><div></div></div><p>
MegaPOV 1.2.1 is a bugfix release and contain the following changes:
</p><div class="orderedlist"><ol type="1" compact><li>Several Mechsim bugfixes</li><li>Improved compatibility of the PPM/PGM reader with the standard</li><li>Resolution of problems of the Windows version</li></ol></div></div><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2451744"></a>1.2.2. MegaPOV 1.2 - 4 July 2005</h3></div></div><div></div></div><p>
MegaPOV 1.2 includes the following new features and changes:
</p><div class="orderedlist"><ol type="1" compact><li>Control up to which trace level area lights are calculated (see <a href="objects.html#area_light_mtl" title="2.4.5.1. Area Light max_trace_level">Section 2.4.5.1, “Area Light max_trace_level”</a>)</li><li>Bicubic interpolation for images (see <a href="patterns.html#bicubic_image" title="2.6.7. Bicubic interpolation for images">Section 2.6.7, “Bicubic interpolation for images”</a>)</li><li>Custom tone mapping feature that offers detailed control of how the
colors are mapped to the resulting image and how this interacts with antialiasing (see <a href="global_settings.html#tone_mapping" title="2.7.2. Custom tone mapping function">Section 2.7.2, “Custom tone mapping function”</a>)</li><li>Radiosity improvements:
<div class="itemizedlist"><ul type="disc" compact><li>new adaptive pretrace mode (see <a href="global_settings.html#radiosity_adaptive_pretrace" title="2.7.3.6. Adaptive radiosity pretrace">Section 2.7.3.6, “Adaptive radiosity pretrace”</a>)</li><li>adaptive search radius/<tt class="function">error_bound</tt> (see <a href="global_settings.html#radiosity_error_bound_adaptive" title="2.7.3.4. Adaptive radiosity error_bound">Section 2.7.3.4, “Adaptive radiosity error_bound”</a>)</li><li>more detailed radiosity statistics (see <a href="global_settings.html#radiosity_additional_statistics" title="2.7.3.5. Additional radiosity statistics">Section 2.7.3.5, “Additional radiosity statistics”</a>)</li><li>sampling visualizations (see <a href="global_settings.html#radiosity_visualize" title="2.7.3.7. Radiosity visualizations">Section 2.7.3.7, “Radiosity visualizations”</a>)</li><li>bug fixes for randomized radiosity sampling directions (see <a href="global_settings.html#radiosity_randomize" title="2.7.3.3. Randomized radiosity sampling directions">Section 2.7.3.3, “Randomized radiosity sampling directions”</a>)</li></ul></div>
</li><li>Mechsim changes (see <a href="global_settings.html#mechsim" title="2.7.4. Mechanics simulation patch">Section 2.7.4, “Mechanics simulation patch”</a>):
<div class="itemizedlist"><ul type="disc" compact><li>improved collision bounding/hashing system</li><li>viscoelastic connections</li><li>global fixation in 1 or 2 dimensions</li><li>attachments can be limited to 1 or two dimensions (free movement in the others)</li><li>adaptive time stepping for 4th order Runge-Kutta method</li><li>new simulation data file format</li><li>custom forces that can be applied to individual masses</li><li>more detailed simulation statistics</li><li>access to simulation forces from SDL</li><li>various bug fixes and improvements</li></ul></div>
</li><li>Bug fix for problem with alpha channel output and bright colors</li><li>Bug fix <tt class="function">crand</tt> in textures resulting in negative color values</li></ol></div></div><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2450375"></a>1.2.3. Previous versions of MegaPOV</h3></div></div><div></div></div><p>
For an overview of the previous versions, (see <a href="old_megapov.html" title="6.3. MegaPOV before POV-Ray 3.6">Section 6.3, “MegaPOV before POV-Ray 3.6”</a>)
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="introduction.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="introduction.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="why.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 1. Introduction </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 1.3. Why should i use MegaPOV?</td></tr></table></div></body></html>
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