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CHANGELOG.txt
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CHANGELOG.txt
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Raysect Changelog
=================
Release 0.8.1 (12 Feb 2023)
---------------------------
API changes:
* Both extract_rotation() and extract_translation() now return ctuples in cython.
* The extract_rotation() string z_axis parameter has been replaced with a boolean z_up parameter for switching coordinate systems.
Bug fixes:
* extract_rotation() now returns the correct values for yaw, pitch and roll in the z axis up coordinate system (Jamie Bayne).
* The quiet parameter is now correctly handled by Observer1D and Observer2D.
* Fixed Ray.extinction_min_depth bug that prevented the attribute being set to 1.
* Fixed pipeline figure title rendering due to matplotlib canvas.set_window_title() deprecation.
* Fixed __setstate__() bug in SpectralPowerPipeline that prevented unpickling.
New:
* Added cython pxd files for all observers.
Release 0.8.0 (26 May 2022)
---------------------------
API changes:
* Intersection object is now passed to evaluate_surface, user code will need to be updated to include the additional parameter.
Bug fixes:
* Spectrum samples attribute is now readonly to prevent users replacing the array and potentially causing a segfault.
New:
* Added pyproject.toml (Jack Lovell)
* Mesh returns a specialised MeshIntersection object that exposes the triangle and barycentric coordinates of the intersection.
Release 0.7.1 (6 Nov 2021)
--------------------------
Bug fixes:
* MulticoreEngine fixes for MacOS and python 3.8+
* The spectral pipeline 'display_progress' attribute was not accessible from python.
* The pipeline line 'name' attribute was not accessible from python.
* Fixed half-pixel offset in multiple cameras due to an index offset error.
* Improved normalisation in quaternion_to().
New:
* Added cython factory functions for quaternions.
* Tetrahedral mesh interpolation function.
* 1D, 2D and 3D array interpolation functions.
* 1D, 2D and 3D blend functions.
Release 0.7.0 (7 Nov 2020)
--------------------------
Bug fixes:
* Fixed the last integration segment not contributing to the integral in NumericalIntegrator.
* Incorrect construction of lens primitives when lens long barrels are requested.
API Changes:
* The core.math.function package has been redesigned to introduce functions with different return types. The existing FunctionXD classes now live under core.math.function.float.
New:
* Added core.math.function.vector3d.FunctionXD objects which return Vector3D objects.
* Added Quaternions and associated transform utility functions.
* Added utility functions for extracting the rotation and translation from an AffineMatrix3D.
* A new Cornell Box demo with a virtual camera with a Cooke triplet lens assembly and a simulated CCD.
Release 0.6.1 (2 Feb 2019)
--------------------------
New:
* Added relational operators to the FunctionXD objects.
* Added abs() operator to FunctionXD objects.
* Square root (SqrtXD) and error functions (ErfXD) added to FunctionXD package.
* Added SpectralAdaptiveSampler1D and SpectralAdaptiveSampler2D.
* FullFrameSampler2D, RGBAdaptiveSampler2D, MonoAdaptiveSampler2D now supports pixel masks directly.
Bug fixes:
* MulticoreEngine render engine now passes back exceptions from worker processes and correctly terminates the render.
Release 0.6.0 (13 Nov 2019)
---------------------------
API Changes:
* Blend material modifier now blends the surface and volume by default. Use the surface_only and volume_only options to configure.
* Cython minimum, maximum and peak to peak methods can now cope with arbitrary strides.
* Interpolator2DMesh and Discrete2DMesh have import has changed from raysect.core.math.interpolators to raysect.core.math.function.
New:
* Added an Add material modifier than sums the contributions from two materials.
* Added emissivity function to BlackBody.
* Extended Spectrum cython mathematical methods to simplify combining Spectrum objects.
* Expanded the function framework:
- Constants are now autowrapped as ConstantXD objects automatically.
- Added PowXD, ExpXD, SinXD, CosXD, TanXD, AsinXD, AcosXD, AtanXD, Atan4QXD functions.
- Argument pass-through supported with ArgXD functions.
- Interpolation functions moved under raysect.core.math.function.
* Improved the Multicore render engine by batching work to reduce IPC overhead. Renders with smaller amounts of work per pixel are now substantially quicker.
* Improved multiple demos and related documentation.
Release 0.5.6 (24 Aug 2019)
---------------------------
Bug fixes:
* Surface normal calculation for the Cone primitive was incorrect, this has been fixed.
* Parabola tip intersection case was not handled fully, this has been fixed
* Increased size of integers holding ray counts as they could overflow for extremely long renders.
New:
* Added quaternions to the core math package.
* Added low level cython functions to calculate mininum, maximum and peak_to_peak for memoryviews. (contributor: Dr Jack Lovell)
* Added a material blending modifier to the raysect.optical.material.modifiers package.relational
Release 0.5.5 (4 Mar 2019)
--------------------------
API Changes:
* LoggingRay now logs the full intersection object, not just the hit point.
Bug fixes:
* Fixed recursive call bug triggered by inspecting the process attribute of MulticoreEngine.
* Added zip_safe=False to setup.py as installing Raysect as a zip file prevents access to cython .pxd files.
New:
* Improved behaviour of pipeline displays when raysect used in a jupyter notebook.
* Added ability to directly sample the BSDF of ContinuousBSDF materials.
* Added to_cylindrical and from_cylindrical coordinate system conversion functions.
* All spectral functions are now callable. Calling a spectral function evaluates it at the specified wavelength.
Release 0.5.4 (1 Oct 2018)
--------------------------
Bug Fixes:
* Spectrum class samples attribute is now publically accessible again, not readonly.
New:
* Optimised materials significantly by avoiding unnecessary memoryview creation, ~10-20% speedups depending on material.
* Optimised observers leading to less overhead per pixel.
* Added caching to 2D mesh interpolator evaluations.
Release 0.5.3 (30 Aug 2018)
---------------------------
Bug Fixes:
* Mesh load() not correctly populating vertex and triangle data arrays.
* Missing import guard for OpenCV camera, users no longer forced to install OpenCV!
* VTK importer no longer crashes when mesh name is None.
New:
* Pickle support added to all scenegraph objects. It is now possible to pickle a scenegraph.
* Mesh normals can be flipped during import/creation with new flip_normals argument.
* Optimised ImportanceManager gaining a 7% speedup for Cornell Box test case.
* Optimised method call in optical.Ray gaining a 2% speedup for Cornell Box test case.
Release 0.5.2 (7 Aug 2018)
--------------------------
API Changes:
* Etendue replaced with sensitivity in the observers. [#202]
Bug Fixes:
* Raysect now builds with Cython 0.28.
* Fixed pixel geometry changes not triggering a recalculation of the TargettedCCD pixel sensitivity. [#219]
New:
* Added MeshCamera. A camera that uses the triangles of a mesh as pixels. [#204]
* Added Spectral and Monochromatic 1D pipelines. [supporting #204]
* Added STL and OBJ mesh exporters. [#176]
* Added limited support for PLY and VTK mesh importing/exporting. [#209, #224]
* Added OpenCV camera. [#109]
* Added sub-sampling (anti-aliasing) to VectorCamera. [#222]
* Added masked samplers that allow users to limit the region being rendered. [#223]
* Added meta dictionary attribute to scene-graph nodes to allow users to attach their own data. [#218]
* Added is_identity() and is_close() comparison methods to AffineMatrix3D. [#199]
* Added angle() to vector objects to compute angle between vectors. [#205]
Release 0.5.0, 0.5.1 (7 Aug 2018)
---------------------------------
Bug Fixes:
* setup.py broke installation in pip.
Release 0.4.0 (11 Dec 2017)
---------------------------
API Changes:
* VolumeEmitterHomogeneous renamed HomogeneousVolumeEmitter.
* VolumeEmitterInhomogeneous renamed InhomogeneousVolumeEmitter.
Bug Fixes:
* Fixed normalisation bug in FibreOptic observer.
New:
* InhomogeneousVolumeEmitter integrator now pluggable.
* Added cosine weighted cone random vector sampler.
* Added cython utility for determining polygon winding order for n-sided polygons.
* Added triangulate2d function for splitting N-sided polygon into triangles.
* Added lerp and slerp functions to Vector3D.
* Added new utility methods to BoundingBox2D and 3D.
* Added AnisotropicSurfaceEmitter material.
* Added BoundingSphere3D.
* Added MeshPixel. A pixel that uses a mesh as a collecting surface.
* Added TargettedPixel. A pixel that fires additional samples at specific target primitives.
* Added TargettedCCDArray. A CCD that fires additional samples at specific target primitives.
* Added radiance pipelines.
* Added instancing to primitives.
* Added bounding sphere to primitives.
* Tidied up samplers.
Release 0.3.1 (17 Mar 2017)
---------------------------
Fixed:
* max_wavelength property of optical ray was broken.
New:
* Diamond demo.
Release 0.3.0 (8 Mar 2017)
--------------------------
New:
* Added multiple importance sampling (MIS).
* Added micro-facet based materials.
* Added 2D kd-tree and 2D mesh utilities
* Added parabola primitive.
* Added spherical lens primitives.
* Added render engine workflow model with engines targetting single core and multicore rendering.
* Added StatsBin and StatsArray objects.
* Added a set of utility containers (linked-lists etc..) for use in cython.
* Added metals and coloured emission spectra to the optical library.
Changes:
* Completely re-engineered optical observers.
- New pipeline architecture.
- Adaptive sampling.
- Framework simplifies development of new observers.
* Re-engineered spectral functions (API changes are minimal).
* Renamed num_samples and spectral_samples to bins and spectral_bins.
* Renamed ray_min_depth to ray_extinction_min_depth.
* Optimised the codebase for greater rendering performance.
* Updated lambert material to support MIS.
* Tidied up numerous internal interfaces.
Release 0.1.0 (16 Aug 2015) / Release 0.2.0 (2 Feb 2016)
--------------------------------------------------------
* initial development releases