(self, projection="nearest")
return data
Convert this VolumeData into VertexData using the given projection 
        method.

        Parameters
        ----------
        projection : str, optional
            Type of projection to use. Default: nearest.

        Returns
        -------
        VertexData subclass
            Vertex valued version of this VolumeData.
Convert this VolumeData into VertexData using the given projection 
        method.
Convert this VolumeData into VertexData using the given projection method .
def map(self, projection="nearest"):
        """Convert this VolumeData into VertexData using the given projection 
        method.

        Parameters
        ----------
        projection : str, optional
            Type of projection to use. Default: nearest.

        Returns
        -------
        VertexData subclass
            Vertex valued version of this VolumeData.
        """
        from cortex import utils
        mapper = utils.get_mapper(self.subject, self.xfmname, projection)
        data = mapper(self)
        # Note: this is OK, because VolumeRGB and Volume2D objects (which
        # have different requirements for vmin, vmax, cmap) do not inherit
        # from VolumeData, and so do not have this method.
        data.vmin = self.vmin
        data.vmax = self.vmax
        data.cmap = self.cmap
        return data
def map ( self , projection = "nearest" ) : from cortex import utils mapper = utils . get_mapper ( self . subject , self . xfmname , projection ) data = mapper ( self ) # Note: this is OK, because VolumeRGB and Volume2D objects (which # have different requirements for vmin, vmax, cmap) do not inherit # from VolumeData, and so do not have this method. data . vmin = self . vmin data . vmax = self . vmax data . cmap = self . cmap return data