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module NinoxeExtension::ProjectionFields
extend ActiveSupport::Concern
included do
#attr_accessible :projection_x,:projection_y,:projection_xy
# add projection_type set on pre-insert and pre_update action
before_save :set_projections
def set_projections
if ! self.coordinates.blank?
self.long_lat_type = 'WGS84'
else
self.long_lat_type = nil
end
end
def projection
if self.referential.projection_type.nil? || self.referential.projection_type.empty?
nil
else
self.referential.projection_type
end
end
@point = nil
def projection_x
if self.long_lat_type.nil? || self.projection.nil?
nil
else
@point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
@point.x
end
end
def projection_y
if self.long_lat_type.nil? || self.projection.nil?
nil
else
@point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
@point.y
end
end
def projection_xy
if self.long_lat_type.nil? || self.projection.nil?
nil
else
@point ||= GeoRuby::SimpleFeatures::Point::from_lat_lng(Geokit::LatLng.new(self.latitude,self.longitude)).project_to(self.projection.to_i)
@point.x.to_s+","+@point.y.to_s
end
end
def projection_x=(dummy)
# dummy method
end
def projection_y=(dummy)
# dummy method
end
def projection_xy=(dummy)
# dummy method
end
end
end
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