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Changes for page Widget Connectivity

Last modified by paulapopa on 2025/06/24 14:15
From version 8.1
edited by paulapopa
on 2025/06/24 11:49
Change comment: There is no comment for this version
To version 1.1
edited by davidbacter01
on 2023/09/19 10:08
Change comment: Uploaded new attachment "image-20230919110833-1.png", version {1}

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1 -Widget Connectivity
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1 -Collabs.tvb-widgets.WebHome
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1 -XWiki.paulapopa
1 +XWiki.davidbacter01
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1 -== Widget Connectivity ==
2 -
3 -Source code: [[https:~~/~~/github.com/the-virtual-brain/tvb-widgets>>url:https://github.com/the-virtual-brain/tvb-widgets]]
4 -
5 -This is part of a Pypi release: [[https:~~/~~/pypi.org/project/tvb-widgets/>>url:https://pypi.org/project/tvb-widgets/]]
6 -
7 -//**tvb-widgets**// is also already installed in the official image released for EBRAINS lab, where you can test it directly.
8 -
9 -
10 -== Purpose ==
11 -
12 -Jupyter lab widgets for visualizing or do operations on a connectivity
13 -
14 -
15 -=== 1. ConnectivityWidget ===
16 -
17 -==== Visualization: ====
18 -
19 - - in 2D can visualize weights or tracts matrixes;
20 -
21 -[[image:conn2d.png||height="741" width="1700"]]
22 -
23 - - in 3D can visualize regions and their respective edges
24 -
25 -==== [[image:conn3d.png||height="688" width="1700"]] ====
26 -
27 -To show/hide the Connectivity centers/edges, access the controls available in the upper-right corner:
28 -
29 -[[image:visible.png||height="543" width="500"]]
30 -
31 -==== Operations: ====
32 -
33 - - remove selected nodes from a connectivity, results in a new connectivity containing only the nodes that were not selected;
34 -
35 - - remove unselected nodes from a connectivity, results in a new connectivity containing only the selected nodes;
36 -
37 - - remove unselected edges, results in a new connectivity with the same number of regions but without the edges of unselected regions;
38 -
39 - - remove selected edges,  results in a new connectivity with the same number of regions but without the edges of selected regions.
40 -
41 -
42 -==== Usage: ====
43 -
44 -After instantiating the widget it allows export of the currently selected connectivity:
45 -
46 -{{code language="python"}}
47 -from tvbwidgets.api import ConnectivityWidget
48 -from tvb.datatypes.connectivity import Connectivity
49 -
50 -conn = Connectivity.from_file() # defaults to connectivy_76.zip
51 -conn.configure()
52 -
53 -wid = ConnectivityWidget(conn, default_active_tab='viewers') # default_active_tab can be any value between 'viewers'|'operations'|'both'
54 -
55 -display(wid)
56 -# ....do some operations...
57 -# replace None in the method below with the gid of the connectivity you wish to export
58 -# if no gid is provided it will export the connectivity currently viewed
59 -
60 -new_connectivity = wid.get_connectivity(gid=None)
61 -new_connectivity
62 -{{/code}}
63 -
64 -
65 -=== 2. SpaceTimeVisualizerWidget ===
66 -
67 -
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TVB Widgets