class OGR::CoordinateTransformation
Attributes
ptr[RW]
Public Class Methods
find_transformation(in_sr, out_sr)
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# File lib/ffi-ogr/coordinate_transformation.rb, line 16 def self.find_transformation(in_sr, out_sr) bad_sr = [] if !in_sr.instance_of?(OGR::SpatialReference) bad_sr << 'Input SR' elsif !out_sr.instance_of?(OGR::SpatialReference) bad_sr << 'Output SR' end raise RuntimeError.new("Invalid Spatial Reference(s): #{bad_sr.join(', ')}") if bad_sr.size > 0 FFIOGR.OCTNewCoordinateTransformation(in_sr.ptr, out_sr.ptr) end
new(ptr)
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# File lib/ffi-ogr/coordinate_transformation.rb, line 5 def initialize(ptr) @ptr = FFI::AutoPointer.new(ptr, self.class.method(:release)) @ptr.autorelease = false end
release(ptr)
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# File lib/ffi-ogr/coordinate_transformation.rb, line 10 def self.release(ptr);end
Public Instance Methods
free()
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# File lib/ffi-ogr/coordinate_transformation.rb, line 12 def free FFIOGR.OCTDestroyCoordinateTransformation(@ptr) end