Class: OpenCV::CvKNearest

Inherits:
Object
  • Object
show all
Extended by:
FFI::DataConverter
Defined in:
lib/ruby/ropencv/ropencv_types.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ptr) ⇒ CvKNearest

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of CvKNearest.



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19931

def initialize(ptr)
    @__obj_ptr__ = if ptr.is_a? CvKNearestStruct
                       ptr
                   else
                       CvKNearestStruct.new(FFI::AutoPointer.new(ptr,CvKNearestStruct.method(:release)))
                   end
end

Instance Attribute Details

#__obj_ptr__ ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19928

def __obj_ptr__
  @__obj_ptr__
end

Class Method Details

.from_native(ptr, context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

can be overwritten by the user



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19923

def self.from_native(ptr,context)
    rbind_from_native(ptr,context)
end

.new(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19867

def self.new(*args)
    if args.first.is_a?(FFI::Pointer) || args.first.is_a?(CvKNearestStruct)
        raise ArgumentError, "too many arguments for creating #{self.name} from Pointer" unless args.size == 1
        return super(args.first)
    end
    # wrapper for CvKNearest::CvKNearest()
    @@cvk_nearest_cvk_nearest_defaults0 ||= []
    if(args.size >= 0 && args.size <= 0)
        args.size.upto(-1) do |i|
            args[i] = @@cvk_nearest_cvk_nearest_defaults0[i]
        end
        begin
            return Rbind::cvk_nearest_cvk_nearest(*args)
        rescue TypeError => e
            @error = e
        end
    end

    # wrapper for CvKNearest::CvKNearest(const cv::Mat trainData, const cv::Mat responses, const cv::Mat sampleIdx=cv::Mat(), bool isRegression=false, int max_k=32)
    @@cvk_nearest_cvk_nearest2_defaults1 ||= [nil, nil, Cv::Mat.new(), false, 32]
    if(args.size >= 2 && args.size <= 5)
        args.size.upto(4) do |i|
            args[i] = @@cvk_nearest_cvk_nearest2_defaults1[i]
        end
        begin
            return Rbind::cvk_nearest_cvk_nearest2(*args)
        rescue TypeError => e
            @error = e
        end
    end

    raise ArgumentError, "no constructor for #{self}(#{args.inspect})"
end

.rbind_from_native(ptr, context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19911

def self.rbind_from_native(ptr,context)
    CvKNearest.new(ptr)
end

.rbind_to_native(obj, context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19902

def self.rbind_to_native(obj,context)
    if obj.is_a? CvKNearest
        obj.__obj_ptr__
    else
        raise TypeError, "expected kind of #{name}, was #{obj.class}"
    end
end

.to_native(obj, context) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

can be overwritten by the user



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19917

def self.to_native(obj,context)
    rbind_to_native(obj,context)
end

Instance Method Details

#__owner__? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

returns true if the underlying pointer is owner of the real object

Returns:

  • (Boolean) 


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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19942

def __owner__?
    @__obj_ptr__[:bowner]
end

#find_nearest(samples, k, results, neighbor_responses, dists) ⇒ Object

wrapper for float CvKNearest::find_nearest(const cv::Mat samples, int k, cv::Mat results, cv::Mat neighborResponses, cv::Mat dists)



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19961

def find_nearest(samples, k, results, neighbor_responses, dists)
    Rbind::cvk_nearest_find_nearest( self, samples, k, results, neighbor_responses, dists)
end

#load(filename, name = 0) ⇒ Object

wrapper for void CvKNearest::load(c_string filename, c_string name=0)



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19971

def load(filename, name = 0)
    Rbind::cvk_nearest_load( self, filename, name)
end

#save(filename, name = 0) ⇒ Object

wrapper for void CvKNearest::save(c_string filename, c_string name=0)



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19966

def save(filename, name = 0)
    Rbind::cvk_nearest_save( self, filename, name)
end

#train(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32, update_base = false) ⇒ Object

methods wrapper for bool CvKNearest::train(const cv::Mat trainData, const cv::Mat responses, const cv::Mat sampleIdx=cv::Mat(), bool isRegression=false, int maxK=32, bool updateBase=false)



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 19956

def train(train_data, responses, sample_idx = Cv::Mat.new(), is_regression = false, max_k = 32, update_base = false)
    Rbind::cvk_nearest_train( self, train_data, responses, sample_idx, is_regression, max_k, update_base)
end