Class: MapKit::Point

Inherits:
Object
  • Object
show all
Defined in:
lib/mapkit.rb

Overview

The class represents an lat/lng point

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lat, lng) ⇒ Point

initializes a point object using latitude and longitude



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# File 'lib/mapkit.rb', line 35

def initialize(lat, lng)
  @lat, @lng = lat, lng
end

Instance Attribute Details

#lat ⇒ Object

Returns the value of attribute lat.



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# File 'lib/mapkit.rb', line 32

def lat
  @lat
end

#lng ⇒ Object

Returns the value of attribute lng.



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# File 'lib/mapkit.rb', line 32

def lng
  @lng
end

Instance Method Details

#in?(bounding_box) ⇒ Boolean

returns true if point is in bounding_box, false otherwise



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# File 'lib/mapkit.rb', line 40

def in?(bounding_box)
  top, left, bottom, right = bounding_box.coords
  (left..right) === @lng && (top..bottom) === @lat
end

#pixel(bounding_box) ⇒ Object

returns relative x and y for point in bounding_box



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# File 'lib/mapkit.rb', line 46

def pixel(bounding_box)
  x, y = MapKit.latlng2pixel(@lat, @lng, bounding_box.zoom)
  tile_x, tile_y = MapKit.latlng2pixel(bounding_box.top, bounding_box.left, bounding_box.zoom)
  [x-tile_x, y-tile_y]
end