Class: OpenCV::CvDTree

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) ⇒ CvDTree

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 CvDTree.



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20577

def initialize(ptr)
    @__obj_ptr__ = if ptr.is_a? CvDTreeStruct
                       ptr
                   else
                       CvDTreeStruct.new(FFI::AutoPointer.new(ptr,CvDTreeStruct.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 20574

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 20569

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 20526

def self.new(*args)
    if args.first.is_a?(FFI::Pointer) || args.first.is_a?(CvDTreeStruct)
        raise ArgumentError, "too many arguments for creating #{self.name} from Pointer" unless args.size == 1
        return super(args.first)
    end
    # wrapper for CvDTree::CvDTree()
    @@cvd_tree_cvd_tree_defaults0 ||= []
    if(args.size >= 0 && args.size <= 0)
        args.size.upto(-1) do |i|
            args[i] = @@cvd_tree_cvd_tree_defaults0[i]
        end
        begin
            return Rbind::cvd_tree_cvd_tree(*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 20557

def self.rbind_from_native(ptr,context)
    CvDTree.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 20548

def self.rbind_to_native(obj,context)
    if obj.is_a? CvDTree
        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 20563

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 20588

def __owner__?
    @__obj_ptr__[:bowner]
end

#clear ⇒ Object

wrapper for void CvDTree::clear()



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20623

def clear()
    Rbind::cvd_tree_clear( self)
end

#get_var_importance ⇒ Object

wrapper for cv::Mat CvDTree::getVarImportance()



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20615

def get_var_importance()
    result = Rbind::cvd_tree_get_var_importance( self)
    # store owner insight the pointer to not get garbage collected
    result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) if !result.__owner__?
    result
end

#load(filename, name = 0) ⇒ Object

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



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20633

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

#predict(sample, missing_data_mask = Cv::Mat.new(), preprocessed_input = false) ⇒ Object

wrapper for CvDTreeNode * CvDTree::predict(const cv::Mat sample, const cv::Mat missingDataMask=cv::Mat(), bool preprocessedInput=false)



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20607

def predict(sample, missing_data_mask = Cv::Mat.new(), preprocessed_input = false)
    result = Rbind::cvd_tree_predict( self, sample, missing_data_mask, preprocessed_input)
    # store owner insight the pointer to not get garbage collected
    result.instance_variable_get(:@__obj_ptr__).instance_variable_set(:@__owner__,self) if !result.__owner__?
    result
end

#save(filename, name = 0) ⇒ Object

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



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20628

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

#train(train_data, tflag, responses, var_idx = Cv::Mat.new(), sample_idx = Cv::Mat.new(), var_type = Cv::Mat.new(), missing_data_mask = Cv::Mat.new(), params = CvDTreeParams.new()) ⇒ Object

methods wrapper for bool CvDTree::train(const cv::Mat trainData, int tflag, const cv::Mat responses, const cv::Mat varIdx=cv::Mat(), const cv::Mat sampleIdx=cv::Mat(), const cv::Mat varType=cv::Mat(), const cv::Mat missingDataMask=cv::Mat(), const CvDTreeParams params=CvDTreeParams())



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# File 'lib/ruby/ropencv/ropencv_types.rb', line 20602

def train(train_data, tflag, responses, var_idx = Cv::Mat.new(), sample_idx = Cv::Mat.new(), var_type = Cv::Mat.new(), missing_data_mask = Cv::Mat.new(), params = CvDTreeParams.new())
    Rbind::cvd_tree_train( self, train_data, tflag, responses, var_idx, sample_idx, var_type, missing_data_mask, params)
end