Class: ActiveRecordPolyline::Compaction::SimpleCompressor

Inherits:
Base
  • Object
show all
Defined in:
lib/active_record_polyline/compaction/simple_compressor.rb

Direct Known Subclasses

VectorCompressor

Instance Method Summary collapse

Methods inherited from Base

#apply, compress_after_push, compress_before_push, #push

Constructor Details

#initialize(distance: 100) ⇒ SimpleCompressor

Returns a new instance of SimpleCompressor.



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# File 'lib/active_record_polyline/compaction/simple_compressor.rb', line 8

def initialize(distance: 100)
  @distance = distance
  @factory = RGeo::Geographic.spherical_factory
end

Instance Method Details

#addable?(location) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record_polyline/compaction/simple_compressor.rb', line 13

def addable?(location)
  return true if @polyline.points.empty?

  distant?(@polyline.points.last, location)
end

#distant?(point1, point2) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record_polyline/compaction/simple_compressor.rb', line 19

def distant?(point1, point2)
  pt1 = @factory.point(point1[:longitude], point1[:latitude])
  pt2 = @factory.point(point2[:longitude], point2[:latitude])
  pt2.distance(pt1) > @distance
end