Automatic line breaks and face creation

barry_milliken_droid · February 24, 2015, 12:15pm

When a user adds lines, they automatically break any intersecting lines and create/subdivide faces. When ruby adds lines none of that happens.
I can call edge.find_faces, but how to first get the line breaks?

slbaumgartner · February 24, 2015, 1:28pm

One unpublished trick is to create a temporary Group, add your lines in its Entities collection, and then explode the Group. Line breaking takes place during the explode. Faces will still need to be created using find_faces.

jim_foltz · February 24, 2015, 2:06pm

Thomthom has a healing technique in the utils.rb file at the SketchUp STL project

github.com

SketchUp/sketchup-stl/blob/main/src/sketchup-stl/utils.rb

# Copyright 2012-2015 Trimble Navigation Ltd.
#
# License: The MIT License (MIT)
#
# A SketchUp Ruby Extension that adds STL (STereoLithography) file format
# import and export. More info at https://github.com/SketchUp/sketchup-stl
#
# Utilities

module CommunityExtensions
  module STL
    module Utils

      # Cleans up the geometry in the given +entities+ collection.
      #
      # @param [Sketchup::Entities] entities
      #
      # @return [Nil]
      def cleanup_geometry(entities)
        stack = entities.select { |e| e.is_a?(Sketchup::Edge) }

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Automatic line breaks and face creation

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