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CHANGELOG.md

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Changelog

All notable changes to this project are documented in this file.

The format is based on Keep a Changelog.

This project aims to adhere to Semantic Versioning.

Unreleased

  • Upgrade ImGui to version 1.89.5 (fixes emscripten bug)

Added

  • Functions setup_laplace_matrix() and setup_mass_matrix() compute those two matrices for both triangle meshes and general polygon meshes. The general case is based on the paper Bunge et al, "Polygon Laplacian made simple", Eurographics 2020.
  • Smoothing, parameterization, and fairing are now implemented based on sparse Laplacian matrices, which generalizes to general polygon meshes.
  • Add PMP_STRICT_COMPILATION CMake option to control treating warnings as errors. Default: On.
  • Add function flip_faces() to reverse face orientation in a mesh (#123)
  • Meshes and textures can be loaded by dropping the files onto the window, both in normal GLFW windows and browser windows (using emscripten).

Changed

  • SurfaceMeshGL renamed to Renderer and de-coupled from SurfaceMesh
  • Replace triangle_area(Face) by face_area(Face), which now supports general polygons. surface_area(SurfaceMesh) now also works for general polygon meshes.
  • Replace mixed Voronoi area by barycentric Voronoi area in voronoi_area(), because it generalizes better to polygon meshes. Remove voronoi_area_barycentric(), because it's now computed by voronoi_area()
  • Remove max angle triangulation objective leading to fold-overs.
  • Breaking change: Re-design algorithms API to use a simple function interface.
  • Breaking change: Make helper classes Heap, Quadric, NormalCone, TriangleKdTree private.
  • Remove vertex_curvature(), VertexCurvature, and angle_sum().
  • Support CMake's BUILD_SHARED_LIBS option to control building shared libraries
  • Fix Mat3::inverse() to use fabs()
  • Remove Matrix::allFinite().
  • Make SurfaceMesh::bounds() a free function pmp::bounds().
  • Remove SurfaceMesh::edge_length().
  • Remove object properties.
  • Remove support for PLY format, see 1ec912b for why.
  • Remove support for XYZ and AGI point set formats.
  • Move SurfaceMesh::read() and SurfaceMesh::write() to free functions pmp::read() and pmp::write().
  • Move IO functionality into its own module
  • Upgrade C++ standard to C++17
  • Remove PMP_ASSERT() macro.
  • Remove get_*_property_type() functions from SurfaceMesh
  • Move example apps from src/apps to examples. Remove PMP_BUILD_APPS CMake option.
  • Rename Simplification to Decimation
  • Rename Factory to Shapes
  • Drop Surface prefix from algorithms
  • Update stb_image to version 2.27 and stb_image_writer to version 1.16.

[2.0.1] 2022-08-26

Fixed

  • Fix shared library version
  • Fix compilation with PMP_SCALAR_TYPE=64
  • Use correct C++ standard (C++14) in public target compile options
  • Fix crash in smoothing demo app

Changed

  • Upgrade ImGui to version 1.88

[2.0.0] 2022-08-14

Added

  • Add support for texture seams in SurfaceSimplification, thanks to Timo Menzel.
  • Add quad/tri subdivision, thanks to Hendrik Meyer.
  • Add SurfaceFactory class to generate basic shapes. Thanks to u/lycium on Reddit for suggesting a simplification of the icosahedron() function.
  • Add support to render colors per face
  • Add support to render colors per vertex, thanks to Xiewei Zhong
  • Add function to compute volume of a mesh, thanks to Xiewei Zhong
  • Add post-increment iterators and make low level functions to add elements public. This makes it possible to use CGAL algorithms on a PMP SurfaceMesh. Thanks to Andreas Fabri for contributing the changes!
  • Add PMP_INSTALL option to CMake.
  • Add PMP_BUILD_VIS CMake option to enable / disable building the pmp_vis library and its dependencies.

Changed

  • Bump C++ standard to C++14
  • TriangleKdTree: no longer record number of tests, remove NearestNeighbor::tests member
  • Remove SurfaceSubdivision::sqrt3()
  • Remove PMP_SHOW macro
  • Remove pmp::Version class and Version.h
  • Build shared libraries on all platforms by default (except pmp_vis , see #87)
  • Bump CMake minimum required version to 3.16.3
  • Make SurfaceTriangulation::Objective a scoped enum
  • Remove SurfaceMesh::triangulate() functions to avoid redundancy with SurfaceTriangulation
  • Improve API by reporting errors using exceptions (see #16).
  • SurfaceFeatures now returns the number of boundary / feature edges detected.
  • Update Eigen to version 3.4.0
  • Update GoogleTest to version 1.12.1
  • Update stb_image to version 2.26 and stb_image_writer to version 1.15.
  • Update GLFW to version 3.3.8
  • Change CMake policy CMP0072 to "NEW" behavior preferring GLVND

Fixed

  • Fix SurfaceMesh::get_object_propertyType() to get_object_property_type()
  • SurfaceRemeshing: Don't leak feature properties. Spotted by Pierre Buyssens.
  • Fixed a rare bug regarding ImGui scaling on Linux. Thanks to Jan Erik Swiadek for reporting and fixing this!
  • Fix crash in SurfaceRemeshing when dealing with low quality meshes (#90, #89)
  • SurfaceMesh::bounds() no longer includes deleted vertices. Thanks to Paul Du.
  • Fix crash in SurfaceHoleFilling when a vertex selection already exists.
  • Fix bug in SurfaceHoleFilling leading to artifacts in the filled surface patch. See #64.
  • Change sign of vec2::perp() to correctly model CCW rotation by 90 degrees.
  • Fix bug in OpenGL buffer clean-up in SurfaceMeshGL.

[1.2.1] 2020-05-10

Fixed

  • Fix rendering issues around sharp edges
  • Fix bug in adaptive remeshing leading to over-refinement of corner vertices.
  • Fix bug in bounding box computation. Thanks a lot to Jascha Achenbach for reporting this bug!

[1.2.0] 2020-03-15

External libraries

  • Upgrade Eigen to current master version to get rid of a compile error on Windows
  • Upgrade ImGui to version 1.75
  • Upgrade stb_image to current master version

Added

  • Add constructors using initializer lists to Matrix/Vector classes
  • Add assignment from and cast from Eigen matrices and vectors
  • Improved rendering of general polygons, avoiding erroneous tessellation into overlapping/flipped triangles in case of non-convex polygons.
  • Added support for rendering using MatCaps. Thanks to Alec Jacobson for suggesting this!

Fixed

  • Fix erroneous header install path (visualization)
  • Fix bug hole filling (when filling single-triangle holes). Thanks a lot to Pierre Buyssens for reporting this bug!
  • Fix bug when fairing a mesh w/o boundary constraints. Thanks a lot to Pierre Buyssens for reporting this bug!

[1.1.0] 2019-05-30

Added

  • Compile-time switch PMP_SCALAR_TYPE to choose between float/double as Scalar
  • Support point set rendering for surface meshes without faces
  • Add hole filling based on Liepa algorithm
  • Add explicit warranty and liability disclaimer

Changed

  • Breaking change: Public members in Window and TrackballViewer classes made private and encapsulated through access functions
  • Change SurfaceSmoothing to avoid model shrinking
  • Improve normal computation for polygonal faces
  • Upgrade GLFW to version 3.3
  • Upgrade ImGui to version 1.70
  • Upgrade Eigen to version 3.3.7
  • Documentation updates

Fixed

  • Fix a bug in OFF reader when loading faces with high valence
  • Fix a bug SurfaceGeodesic that lead to dist(v0,v1) != dist(v1,v0). As a consequence, the Novotni method has been removed from SurfaceGeodesic.

[1.0.0] 2019-02-18

Added

  • Algorithms module
  • Visualization tools
  • Support for range-based for loops
  • Configurable index type
  • Global object properties
  • Support for emscripten
  • Unit test suite
  • Continuous integration
  • Coding standard
  • Version API

Changed

  • Switched to MIT license
  • Library scope handle and property types
  • Enhanced IO capabilities