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Versions: 30
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Contents
module Geoblacklight
##
# Transforms and parses a bounding box for various formats
class BoundingBox
##
# @param [String, Integer, Float] west
# @param [String, Integer, Float] south
# @param [String, Integer, Float] east
# @param [String, Integer, Float] north
def initialize(west, south, east, north)
@west = west
@south = south
@east = east
@north = north
# TODO: check for valid Geometry and raise if not
end
##
# Returns a bounding box in ENVELOPE syntax
# @return [String]
def to_envelope
"ENVELOPE(#{west}, #{east}, #{north}, #{south})"
end
##
# Create a Geoblacklight::BoundingBox from a Solr rectangle syntax
# @param [String] bbox as "W S E N"
# @return [Geoblacklight::BoundingBox]
def self.from_rectangle(rectangle)
rectangle_array = rectangle.split(' ')
message = 'Bounding box should be a string in Solr rectangle syntax e.g."W S E N"'
fail Geoblacklight::Exceptions::WrongBoundingBoxFormat, message if rectangle_array.count != 4
new(
rectangle_array[0],
rectangle_array[1],
rectangle_array[2],
rectangle_array[3]
)
end
private
attr_reader :west, :south, :east, :north
end
end
Version data entries
30 entries across 30 versions & 1 rubygems