273 lines
18 KiB
Plaintext
273 lines
18 KiB
Plaintext
mitsuba (0.5.0-1) unstable; urgency=low
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* Mitsuba can now perform renderings of images with multiple channels
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(e.g. a path traced rendering plus surface normals and depth). All
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channels are rendered in one pass and written to a multi-channel EXR file.
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* Anton Kaplanyan contributed mtsgui GUI usability tweaks and several
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MLT-related robustness improvements
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* Greatly improved Python integration, nice interaction with PyQt and NumPy,
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Python 3.3. support on all platforms
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* The 'mfilm' plugin now supports writing binary NumPy files (Joe Kider)
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* Switch tabs in the gui using Alt+Left/Right keys
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* Ask whether to stop long-running rendering processes when dragging the
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mouse in the GUI
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* Windows 8 compatibility
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* CMake build system working again (Edgar Velázquez-Armendáriz)
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* Statistics are now automatically reset between renderings
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* mtssrv robustness improvements on OSX
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* The 'thindielectric' plugin still computed incorrect results in some
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situations, which is now fixed
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* Added a new 'default' XML tag
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Tue, 25 Feb 2014 00:00:00 -0400
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mitsuba (0.4.5-1) unstable; urgency=low
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* New height field intersection shape
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* kd-tree precision improvements when rendering in double precision
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* Feature to create a bitmap texture from a single color channel of an image
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* Python API: More complete coverage of the Mitsuba core API
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* Feature to quickly convert between Mitsuba images and Python byte arrays.
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* Frequency-space convolution of large-scale images using FFTW3
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* Bloom filter in support in 'mtsutil tonemap'
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* OSX 10.9 font fixes, initial improvements for machines with a retina display
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* New perspective camera with model radial distortion
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* Python 3.3 support on Windows
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* Collecting rendering statistics turned out to cause severe memory
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contention on previous releases. This has now been fixed, leading to
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significant speedups on machines with many cores (>4).
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* Worker threads now request CPU affinity on platforms where this is supported
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* Many smaller robustness fixes and bugfixes in various parts of the
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renderer -- see the changelog for details
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Mon, 04 Nov 2013 00:00:00 -0400
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mitsuba (0.4.4-1) unstable; urgency=low
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* Improved Python support for rendering animations and motion blur
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* Photon mapper logic rewrite to account for certain missing specular paths
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* Robustness improvements for specular+diffuse materials such as 'plastic'
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* Fixed a remaining issue in the instancing frame computation code
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* The thindielectric plugin formerly computed incorrect transmittance values
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* The cube shape is now centered at the origin by default
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* The TLS cleanup logic has been fixed to avoid a potential crash in mtssrv
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* Other minor improvements, which are listed in the repository log
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Thu, 28 Feb 2013 00:00:00 -0400
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mitsuba (0.4.3-1) unstable; urgency=low
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* Motion blur: Support for arbitrary linear camera, object, and sensor motion
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to produce motion blur in renderings.
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* Render-time annotations: added the ability to tag image files with additional
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information by means of metadata or text labels.
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* Hide directly visible emitters: convenient feature for removing an environment
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light source so that an image can be composited onto documents having a
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different color.
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* Improved instancing: more robust instancing code with support for
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non-rigid transformations.
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* Threading on Windows: fixed various threading-related issues on Windows that
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previously caused crashes and deadlocks.
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* Caching: Caching mechanism to further accelerate the loading of
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.serialized files.
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* File dialogs: Native File Open/Save dialogs are now used on Windows.
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* Python: Improved python bindings; easier usage on MacOS X.
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* Blender interaction: Fixed a issue where GUI tabs containing scenes created
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in Blender could not be cloned.
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* Non-uniform scales: All triangle mesh-based shapes now permit
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non-uniform scales.
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* NaNs and friends: Increased resilience against various numerical corner cases.
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* Index-matched participating media: Fixed an unfortunate regression in volpath
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regarding index-matched media that was accidentally introduced in 0.4.2.
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* roughdiffuse: Fixed texturing support in the roughdiffuse plugin.
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* Photon mapping: Fixed some inaccuracies involving participating media when
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rendered by the photon mapper and the Beam Radiance Estimate.
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* Conductors: Switched Fresnel reflectance computations for conductors to the
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exact expressions predicted by geometric optics (an approximation was
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previously used).
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* New cube shape: Added a cube shape plugin for convenience. This does
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exactly what one would expect.
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* The rest: As usual, a large number of smaller bugfixes and improvements
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were below the threshold and are thus not listed individually. The
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repository log has more details.
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Tue, 29 Jan 2013 00:00:00 -0400
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mitsuba (0.4.2-1) unstable; urgency=low
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* Volumetric path tracers: improved sampling when dealing with index-matched medium transitions. This is essentially a re-implementation of an optimization that Mitsuba 0.3.1 already had, but which got lost in the bidirectional rewrite.
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* Batch tonemapper: due to an unfortunate bug, the batch tonemapper in the last release produced invalid results for images containing an alpha channel. This is now fixed.
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* Shapes: corrected some differential geometry issues in the "cylinder" and "rectangle" shapes.
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* MLT: fixed 2-stage MLT, which was producing incorrect results.
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* MEPT: fixed the handling of directional light sources.
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* Robustness: got rid of various corner-cases that could produce NaNs.
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* Filenames: to facilitate loading scenes created on Windows/OSX, the Linux version now resolves files case-insensitively if they could not be found after a case-sensitive search.
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* Python: added Python bindings for shapes and triangle meshes. The Python plugin should now be easier to load (previously, this was unfortunately rather difficult on several platforms). The documentation was also given an overhaul.
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* Particle tracing: I've decided to disable the adjoint BSDF for shading normals in the particle tracer, since it causes an unacceptable amount of variance in scenes containing poorly tesselated geometry. This affects the plugins ptracer, ppm, sppm and photonmapper.
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* Subsurface scattering: fixed parallel network renderings involving the dipole model.
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* Homogeneous medium & dipole: added many more material presets by Narasimhan et al.
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* OBJ loader: further robustness improvements to the OBJ loader and the associated MTL material translator.
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Wed, 31 Oct 2012 00:00:00 -0400
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mitsuba (0.4.1-1) unstable; urgency=low
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* negative pixel values in textures and environment maps are handled more gracefully.
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* minor robustness improvements to the OBJ and COLLADA importers.
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* fixed the Ubuntu packages so that they don't depend on a specific version of the libjpeg development headers.
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* fixed a stack overflow issue in the bidirectional path tracer, as well as some other crash-causing bugs that were found via the Breakpad reports.
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* fixed an issue where sun and sky interpreted the combination of a 'toWorld' transform and explicit 'sunDirection' differently, causing misalignment.
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* fixed a photon mapper regression involving environment maps.
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* Edgar Velázquez-Armendáriz rewrote a piece of initialization code that prevented Mitsuba from running on Windows XP.
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* Sean Bell contributed an improved setpath.sh script, which adds ZSH autocompletion on Linux.
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* fixed some issues in the bidirectional abstraction layer when dealing with alpha masks.
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* fixed a bug where the rectangle shape produced incorrect results when used as an area light.
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* on OSX, the python bindings could not be loaded due to invalid library import paths - this now works.
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Wed, 10 Oct 2012 00:00:00 -0400
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mitsuba (0.4.0-1) unstable; urgency=low
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* New bidirectional rendering algorithms: Bidirectional path tracing,
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Primary sample space MLT, Path space MLT, Energy redistribution path
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tracing, Manifold exploration
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* New framework for representing sensors and emitters
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* Vastly improved realtime preview that scales to big scenes
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* Crop/Zoom/Multiple sensor support
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* Redesigned skylight emitter based on work by Hosek and Wilkie
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* Improved texturing system with support for high quality resampling,
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out-of-core textures, and anisotropic texture filtering
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* Sobol, Halton, and Hammersley Quasi Monte Carlo point set generators
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* Fixed a handedness problem that affected all cameras
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* Flexible bitmap I/O with support for many new output formats
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* Reimplemented dipole subsurface scattering integrator
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* SSE-based CPU tonemapper & Mersenne Twister implementation
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* All threading code was mooved over to boost::thread
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* The build system can now simultaneously deal with several versions of Python
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* Other new plugins: blendbsdf, thindielectric
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* New CMake-based build system
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Thu, 27 Sep 2012 00:00:00 -0400
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mitsuba (0.3.1-1) unstable; urgency=low
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* Photon mapper: The photon mapper had some serious issues in the
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last release. These are now fixed, and it should run faster too.
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* On Linux/x86_64, the performance of the single precision exp() and log()
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math library functions is extremely poor. Mitsuba now uses the double
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prevision versions of these functions by default.
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* Primitive clipping: Fixed numerical issues that occurred when using
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primitive clipping in a double precision build.
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* The adaptive integrator now better interacts with certain sub-integrators.
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* Instanced analytic shapes (e.g. spheres, cylinders, ..) are now supported,
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and an error involving network rendering with instanced geometry is fixed.
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* Fixed a serious issue that could destroy a scene file when saving from a cloned tab!
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* Fixed some bad GUI behavior in multi-screen setups
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* Textures applied to an OBJ mesh used to be vertically flipped. This is now fixed.
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* Improved performance of the hair intersection primitive
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* Fixed an off-by-one error in the texture lookup code
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Fri, 13 Apr 2012 00:00:00 -0400
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mitsuba (0.3.0-1) unstable; urgency=low
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* Added Python bindings that can be used to instantiate plugins
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and control rendering processes.
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* Spectral rendering: most of the code pertaining to spectral
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rendering has seen a significant overhaul. It is now faster and
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in certain cases more accurate.
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* Flexible material classes: this release introduces a robust and
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very general suite of eight physically-based smooth and rough
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(microfacet-based) material classes.
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* Material modifiers: two new material modifiers (bump & coating)
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can be applied to BSDFs to create new materials.
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* Material verification: the sampling methods of all material
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models in Mitsuba are now automatically verified with the help
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of statistical hypothesis tests (using Chi^2-tests).
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* Generated documentation: there is now a javadoc-like system,
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which extracts documentation directly from the plugin source code
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and stitches it into a LaTeX reference document.
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* lookAt: Mitsuba inherited a bug from PBRT, where the <lookAt>
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tag changed the handedness of the coordinate system. This is now
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fixed--also, the syntax of this tag has changed to make it easier to read.
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* Scene portability: A new conversion tool ensures that old and incompatible
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scenes can be translated into the scene description format of the
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most recent version.
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* Contributed plugins: Tom Kazimiers and Papas have contributed
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implementations of the Preetham Sun & Sky model and the Hanrahan-Krueger
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scattering model.
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* Photon mapping: The Photon map integrator has been rewritten for
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improved accuracy and better performance. Furthermore, the underlying
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data structure has been replaced with a ~50% faster implementation.
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Mon, 1 Sep 2011 00:00:00 -0400
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mitsuba (0.2.1-1) unstable; urgency=low
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* Completely rewritten participating layer with better robustness and support for many participating media within the same scene
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* Rewritten micro-flake model implementation, which is faster, more accurate, and supports a larger range of material parameters
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* Added the Irawan & Marschner woven cloth BRDF model
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* Includes a script to automate the cration of render farms on the Amazon Elastic Compute Cloud (EC2).
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* The Blender plugin was fixed so that it works with Blender 2.56
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* Volumetric Photon Mapping is now supported using the Beam Radiance Estimate
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* The COLLADA importer handles larger files, which previously lead to crashes
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* New and more intuitive rotation controller for the interactive preview
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* Many bugfixes
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Tue, 3 Jun 2011 23:17:00 -0400
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mitsuba (0.2.0-1) unstable; urgency=low
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* The COLLADA importer is more robust and should handle most scenes (hm, this sounds familiar). Rather than generating hundreds of translated mesh files, the new version instead produces one single compressed file.
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* I've added an experimental plugin for Blender 2.5 integration, including a custom material designer. Since it depends on features which won't be in Blender until the upcoming 2.56 release, it is currently necessary to compile Blender from SVN to use the plugin. Many thanks go to Doug Hammond for providing his excellent EF package, which the plugin uses extensively.
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* The KD-tree acceleration and construction code has been completely rewritten. The new code produces noticeably better trees and does so within a fraction of the time of the old version. It also scales to very large polygonal meshes (>20M triangles), whereas the previous implementation would quickly exhaust all available memory in such cases. (see http://www.mitsuba-renderer.org/devblog/archives/10-New-acceleration-data-structures.html for details)
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* Instancing support was added, and there is limited (rigid) animation support for shapes.
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* Edgar has kindly contributed patches to compile Mitsuba using the Intel C++ compiler. Official windows 32-/64-bit builds now use this compiler, since it produces faster-running executables (in comparison to Visual Studio).
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* The XML schema of the scene description language is now less picky. Specifically, it is possible to specify properties and objects in an arbitrary order.
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* Standard UV texture mapping controls (offset, scale) are provided
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* Luminaire importance sampling is more flexible. The previous implementation sampled a light source proportional to its power, which was often exactly the wrong thing to do. In this release, the sampling weights ca be manually specified.
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* There is partial support for rendering vast amounts of hair (partial because only the intersection shape is implemented at this point -- no hair-specific scattering models have been added yet)
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* A PLY file loader based on libply (courtesy of Ares Lagae) was added
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* Vertex colors are now accessible within the renderer. This is implemented using a special "texture", which forwards the color information to scattering models
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* Severe lock contention issues in the irradiance cache were fixed (these resulted in slow performance when rendering on many cores).
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* The loading dialog now contains a console, which shows what is happening while waiting for a large scene to load
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* The builtin environment map luminaire support importance sampling (it did uniform sampling before - jikes!)
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* A bunch of materials and textures now have GLSL implementations so that they can be used in the interactive preview
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* The preview itself should be quite a bit faster due to optimizations in how geometry is passed to the GPU.
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As usual, a large number of bugs were also fixed. The documentation is still rather incomplete, but I'm working on it.
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Tue, 23 Nov 2010 02:06:00 -0400
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mitsuba (0.1.3-1) unstable; urgency=low
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This is mainly a bugfix release to address a serious regression in the
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material system. Other notable changes are:
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* Imported scenes now store relative paths
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* OBJ importing works on Windows
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* Realtime preview (OpenGL + RTRT) fixed for point sources
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* The anisotropic Ward BRDF is now supported in the preview
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* Faster texture loading
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* The renderer now has a testcase framework similar to JUnit
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Wed, 8 Sep 2010 09:59:00 -0400
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mitsuba (0.1.2-1) unstable; urgency=low
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* Numerous bugfixes
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* Vastly improved COLLADA importer
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* Basic user interface for running the importer
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* Support for environment sources in the realtime preview
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* When pressing the stop button while rendering, the partially rendered
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scene now remains on the screen. Pressing the stop button a second time
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switches back to the realtime preview.
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* The user interface now has a fallback mode when the graphics card
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is lacking some required OpenGL features.
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* Create default cameras/lightsources if none are specified in a scene
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* Support for drag & drop in the user interface
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* The Mitsuba user interface now also doubles as an EXR viewer / tonemapper.
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Drag an EXR file onto the UI or open it using the File menu, and the image
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opens in a new tab. Afterwards, it is possible to export the image as a tonemapped
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8-bit PNG image.
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* The realtime preview now has a 'force diffuse' feature to improve
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convergence in scenes with lots of glossy materials.
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* Two different navigation modes can now be chosen in the program settings
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* New material types: composite, difftrans, transparent, mask.
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* ldrtexture: support for loading BMP and TGA images.
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* Switch to Xerces-C++ 3
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Fri, 3 Sep 2010 17:16:03 -0400
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mitsuba (0.1.1-1) unstable; urgency=low
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* Initial release
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-- Wenzel Jakob <wenzel@cs.cornell.edu> Sat, 17 Jul 2010 23:56:03 -0400
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