class GDAL::Transformers::GeolocationTransformer
Attributes
c_pointer[R]
@return [FFI::Pointer] C pointer to the C geolocation transformer.
Public Class Methods
function()
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@return [FFI::Function]
# File lib/gdal/transformers/geolocation_transformer.rb, line 7 def self.function FFI::GDAL::Alg::GeoLocTransform end
release(pointer)
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@param pointer [FFI::Pointer]
# File lib/gdal/transformers/geolocation_transformer.rb, line 12 def self.release(pointer) return unless pointer && !pointer.null? FFI::GDAL::Alg.GDALDestroyGeoLocTransformer(pointer) end
Public Instance Methods
destroy!()
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# File lib/gdal/transformers/geolocation_transformer.rb, line 37 def destroy! GeolocationTransformer.release(@c_pointer) @c_pointer = nil end
function()
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@return [FFI::Function]
# File lib/gdal/transformers/geolocation_transformer.rb, line 44 def function self.class.function end
intialize(base_dataset, geolocation_info, reversed: false)
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@param base_dataset [GDAL::Dataset] @param geolocation_info [Array<String>] @param reversed [Boolean]
# File lib/gdal/transformers/geolocation_transformer.rb, line 24 def intialize(base_dataset, geolocation_info, reversed: false) base_dataset_ptr = GDAL._pointer(GDAL::Dataset, base_dataset) geolocation_info_ptr = GDAL._string_array_to_pointer(geolocation_info) pointer = FFI::GDAL::Alg.CreateGeoLocTransformer( base_dataset_ptr, geolocation_info_ptr, reversed ) @c_pointer = FFI::AutoPointer.new(pointer, GeolocationTransformer.method(:release)) end