Source code for tvb.adapters.datatypes.db.volume

# -*- coding: utf-8 -*-
#
#
# TheVirtualBrain-Framework Package. This package holds all Data Management, and
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# (c) 2012-2023, Baycrest Centre for Geriatric Care ("Baycrest") and others
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# This program is free software: you can redistribute it and/or modify it under the
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import json
from sqlalchemy import Column, Integer, ForeignKey, String
from tvb.core.entities.model.model_datatype import DataType
from tvb.datatypes.volumes import Volume


class VolumeIndex(DataType):
    id = Column(Integer, ForeignKey(DataType.id), primary_key=True)

    voxel_unit = Column(String, nullable=False)
    voxel_size = Column(String, nullable=False)
    origin = Column(String, nullable=False)

    def fill_from_has_traits(self, datatype):
        # type: (Volume)  -> None
        super(VolumeIndex, self).fill_from_has_traits(datatype)
        self.voxel_unit = datatype.voxel_unit
        self.voxel_size = json.dumps(datatype.voxel_size.tolist())
        self.origin = json.dumps(datatype.origin.tolist())

    @property
    def parsed_voxel_size(self):
        try:
            return json.loads(self.voxel_size)
        except:
            return []

    @property
    def parsed_origin(self):
        try:
            return json.loads(self.origin)
        except:
            return []