module Gpx2png::Calculations::BaseInstanceMethods
Public Instance Methods
calculate_minmax_latlon()
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# File lib/gpx2png/calculations/base_instance_methods.rb, line 5 def calculate_minmax_latlon @layers.each do |l| enlarge_border_coords(l) end # when no coords specified @lat_min ||= -0.01 @lat_max ||= 0.01 @lon_min ||= -0.01 @lon_max ||= 0.01 end
enlarge_border_coords(layer)
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# File lib/gpx2png/calculations/base_instance_methods.rb, line 16 def enlarge_border_coords(layer) _lat_min = layer.coords.collect { |c| c[:lat] }.min _lat_max = layer.coords.collect { |c| c[:lat] }.max _lon_min = layer.coords.collect { |c| c[:lon] }.min _lon_max = layer.coords.collect { |c| c[:lon] }.max @lat_min = _lat_min if @lat_min.nil? or _lat_min < @lat_min @lat_max = _lat_max if @lat_max.nil? or _lat_max > @lat_max @lon_min = _lon_min if @lon_min.nil? or _lon_min < @lon_min @lon_max = _lon_max if @lon_max.nil? or _lon_max > @lon_max self.class.logger.debug("Border coords #{@lat_min.to_s.green},#{@lon_min.to_s.green} - #{@lat_max.to_s.green},#{@lon_max.to_s.green}") end