Source code for tvb.adapters.visualizers.local_connectivity_view

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.. moduleauthor:: Mihai Andrei <>

import json

from tvb.adapters.datatypes.db.local_connectivity import LocalConnectivityIndex
from tvb.adapters.visualizers.surface_view import SurfaceURLGenerator
from tvb.core.adapters.abcadapter import ABCAdapterForm
from tvb.core.adapters.abcdisplayer import ABCDisplayer
from tvb.core.neocom import h5
from tvb.core.neotraits.forms import TraitDataTypeSelectField
from tvb.core.neotraits.view_model import ViewModel, DataTypeGidAttr
from tvb.datatypes.local_connectivity import LocalConnectivity

[docs] class LocalConnectivityViewerModel(ViewModel): local_conn = DataTypeGidAttr( linked_datatype=LocalConnectivity, label='Local connectivity' )
[docs] class LocalConnectivityViewerForm(ABCAdapterForm): def __init__(self): super(LocalConnectivityViewerForm, self).__init__() self.local_conn = TraitDataTypeSelectField(LocalConnectivityViewerModel.local_conn, name='local_conn', conditions=self.get_filters())
[docs] @staticmethod def get_view_model(): return LocalConnectivityViewerModel
[docs] @staticmethod def get_required_datatype(): return LocalConnectivityIndex
[docs] @staticmethod def get_input_name(): return 'local_conn'
[docs] @staticmethod def get_filters(): return None
[docs] class LocalConnectivityViewer(ABCDisplayer): """ Local connectivity visualizer """ _ui_name = "Local Connectivity Visualizer" _ui_subsection = "connectivity_local"
[docs] def get_form_class(self): return LocalConnectivityViewerForm
def _compute_surface_params(self, surface_h5): url_vertices_pick, url_normals_pick, url_triangles_pick = SurfaceURLGenerator.get_urls_for_pick_rendering( surface_h5) url_vertices, url_normals, _, url_triangles, _ = SurfaceURLGenerator.get_urls_for_rendering(surface_h5) return { 'urlVerticesPick': json.dumps(url_vertices_pick), 'urlTrianglesPick': json.dumps(url_triangles_pick), 'urlNormalsPick': json.dumps(url_normals_pick), 'urlVertices': json.dumps(url_vertices), 'urlTriangles': json.dumps(url_triangles), 'urlNormals': json.dumps(url_normals), 'brainCenter': json.dumps( }
[docs] def launch(self, view_model): params = dict(title="Local Connectivity Visualizer", extended_view=False, isOneToOneMapping=False, hasRegionMap=False) local_conn_h5 = h5.h5_file_for_gid(view_model.local_conn) with local_conn_h5: surface_gid = local_conn_h5.surface.load() min_value, max_value = local_conn_h5.get_min_max_values() with h5.h5_file_for_gid(surface_gid) as surface_h5: params.update(self._compute_surface_params(surface_h5)) params['local_connectivity_gid'] = view_model.local_conn.hex params['minValue'] = min_value params['maxValue'] = max_value return self.build_display_result("local_connectivity/view", params, pages={"controlPage": "local_connectivity/controls"})
[docs] def get_required_memory_size(self): return -1