#!/usr/bin/python
# -*- coding: utf-8 -*-

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# Copyright (c) 2012 Michael Hull.
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from morphforge.morphology.visitor.visitorbaseclasses import SectionVisitorDF


[docs]class SectionVisitorDFNeuronBuilder(SectionVisitorDF):

[docs]    def __init__(self, transfunctor, morph=None):

        self.transfuctor = transfunctor

        self.orig2new_mapping = None
        self.rgn_mappings = None
        self.new_morph = None

        super(SectionVisitorDFNeuronBuilder,
              self).__init__(morph=morph, functor=self.build_extrusion,
                             dummysectionfunctor=self.build_root,
                             returnfunctor=lambda : self.new_morph)

        if self.morph != None:
            self.__call__()

[docs]    def build_root(self, section):
        from morphforge.morphology.core import Section, Region
        from morphforge.morphology.core import MorphologyTree

        self.orig2new_mapping = {}
        self.rgn_mappings = dict([(rgn, Region(rgn.name)) for rgn in self.morph.get_regions()])
        self.new_morph = None

        (x, y, z, r) = (section.d_x, section.d_y, section.d_z, section.d_r)
        (X, Y, Z, R) = self.transfuctor(x, y, z, r)

        new_section = Section(regions=[self.rgn_mappings[region] for region in section.regions], x=X, y=Y, z=Z, r=R)

        self.new_morph = MorphologyTree('MorphCloned', dummysection=new_section, metadata={})

        self.orig2new_mapping[section] = new_section

[docs]    def build_extrusion(self, section):

        new_parent = self.orig2new_mapping[section.parent]

        (x, y, z, r) = (section.d_x, section.d_y, section.d_z, section.d_r)
        (X, Y, Z, R) = self.transfuctor(x, y, z, r)

        new_section = new_parent.create_distal_section(regions=[self.rgn_mappings[region] for region in section.regions], x=X, y=Y, z=Z, r=R)
        self.orig2new_mapping[section] = new_section