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PGS 1.2.0

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@micycle1 micycle1 released this 15 Dec 14:05
· 380 commits to master since this release
1.2.0
16b0861
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This is a large update that introduces 4 new geometry classes.

Added

  • PGS_PointSet — a class that generates sets of 2D points having a variety of different distributions and constraints.
  • PGS_Coloring — a class for intelligent coloring of meshes (or mesh-like shapes) such that no two adjacent faces have the same color, while minimising the number of colors used.
  • PGS_Tiling — a class for tiling, tessellation and subdivision of the plane using periodic or non-periodic geometric shapes.
  • PGS_Meshing - a class to host mesh generation methods (excluding triangulation).
  • toPointsPShape() to PGS_Conversion. Generates a POINTS type PShape from a list of PVector points.
  • 3 additional method signatures (one for each return type) for delaunayTriangulation() that accept a PShape only, returning a constrained triangulation.
  • minimumBoundingTriangle() to PGS_Optimisation. Computes the minimum-area bounding triangle that encloses a shape or point set.
  • unionMesh() to PGS_ShapeBoolean. Quickly and efficiently unions/merges the faces of a mesh-like shape together.
  • setAllStrokeToFillColor() to PGS_Conversion. Sets the stroke color to the fill color for a PShape and all its descendants (separately).
  • copy() to PGS_Conversion. Deep copies / clones a PShape.
  • A number of new primitives to PGS_Construction: serpinskiCurve, linearSpiral, fermatSpiral.
  • extractPerimeter() to PGS_Processing. Extracts a portion/subline of the perimeter of a shape between two locations.
  • interpolate() to PGS_Morphology. Generates an intermediate shape between two shapes by interpolating/morphing between them.

Changed

  • PGS_Construction now preserves a PShape's fillColor, strokeColor and strokeWeight throughout forward-backward conversion. This behaviour can be toggle using the class's PRESERVE_STYLE flag (default = true). Note that PGS' methods will generally not preserve the style of the original PShape because JTS does not preserve geometry user data during its operations.
  • fieldWarp() now supports POINTS and GROUP PShapes.
  • removeSmallHoles(), round() and chaikinCut() now support GROUP PShape inputs.
  • partition(), split() and slice() (from PGS_Processing) now output a single GROUP PShape (rather than a list of PShapes).
  • During conversion, JTS MultiGeometries that contain a single geometry only will be converted to a first-class PShape (rather than a GROUP PShape containing one child).
  • Output PShapes are now always created with a shape family of PATH (rather than GEOMETRY) to maximise compatibility with the P2D renderer.
  • PGS_Contour.isolines() now accepts a contour smoothing parameter.
  • PGS_Processing.polygonizeLines() is now more robust and faster.
  • Moved urquhartFaces() and gabrielFaces() from PGS_Triangulation to PGS_Meshing.
  • Renamed micycle.pgs.utility package to micycle.pgs.commons.

Fixed

  • Occasional out of bounds error with Poisson Distribution.
  • Error when constrained voronoiDiagram called with GROUP PShape input.
  • Removing duplicate vertices during PShape->JTS conversion would remove every vertex (not just the duplicated ones).

Removed

  • PGS_Contour.straightSkeletonSolub() (didn't meet robustness standards)
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