Class: GDAL::Transformers::ApproximateTransformer
- Inherits:
-
Object
- Object
- GDAL::Transformers::ApproximateTransformer
- Defined in:
- lib/gdal/transformers/approximate_transformer.rb
Instance Attribute Summary collapse
- #c_pointer ⇒ FFI::Pointer readonly
Class Method Summary collapse
Instance Method Summary collapse
- #destroy! ⇒ Object
- #function ⇒ FFI::Function
-
#initialize(base_transformer, max_error) ⇒ ApproximateTransformer
constructor
A new instance of ApproximateTransformer.
- #owns_subtransformer(data, own_flag) ⇒ Object
Constructor Details
#initialize(base_transformer, max_error) ⇒ ApproximateTransformer
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# File 'lib/gdal/transformers/approximate_transformer.rb', line 24 def initialize(base_transformer, max_error) base_transformer_function = base_transformer.function transformer_arg_ptr = base_transformer.c_pointer pointer = FFI::GDAL::Alg.GDALCreateApproxTransformer( base_transformer_function, transformer_arg_ptr, max_error ) @c_pointer = FFI::AutoPointer.new(pointer, ApproximateTransformer.method(:destroy)) end |
Instance Attribute Details
#c_pointer ⇒ FFI::Pointer (readonly)
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# File 'lib/gdal/transformers/approximate_transformer.rb', line 19 def c_pointer @c_pointer end |
Class Method Details
.function ⇒ FFI::Function
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# File 'lib/gdal/transformers/approximate_transformer.rb', line 7 def self.function FFI::GDAL::Alg::ApproxTransform end |
Instance Method Details
#destroy! ⇒ Object
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# File 'lib/gdal/transformers/approximate_transformer.rb', line 37 def destroy! ApproximateTransformer.destroy(@c_pointer) @c_pointer = nil end |
#function ⇒ FFI::Function
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# File 'lib/gdal/transformers/approximate_transformer.rb', line 44 def function self.class.function end |