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Last modified by teodoramisan on 2025/12/15 16:59
From version 60.1
edited by teodoramisan
on 2025/12/15 16:59
Change comment: There is no comment for this version
To version 49.1
edited by paulapopa
on 2023/03/08 16:49
Change comment: Uploaded new attachment "rem.png", version {1}

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1 -XWiki.teodoramisan
1 +XWiki.paulapopa
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2 2  
3 3  Release on Pypi: [[https:~~/~~/pypi.org/project/tvb-ext-xircuits/>>https://pypi.org/project/tvb-ext-xircuits/]]
4 4  
5 -This extension is also installed already in EBRAINS lab, where it can be tested directly.
6 -
7 7  == Jupyter Lab Extension for building and executing TVB Workflows on EBRAINS ==
8 8  
9 9  == Purpose ==
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10 10  
11 11  This is a Jupyter Lab extension that offers graphical support for TVB workflows. It is already available in the EBRAINS Lab and it allows users to configure and execute TVB simulations directly from a GUI, while drastically reducing the complexity of configuring them inside a Jupyter Lab notebook.
12 12  
13 -{{html}}
14 -<iframe width="1200" height="450" src="https://www.youtube.com/embed/-cjZOsU6PBg" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
15 -{{/html}}
16 -
17 17  == Acknowledgements ==
18 18  
19 19  This extension is build on top of the [[Xircuits Jupyter extension>>https://xircuits.io/]], but it also comes with custom functionalities, specifically designed for TVB and EBRAINS. These functionalities are detailed in a section below.
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37 37  
38 38  From the Jupyter Lab launcher, click on the **Xircuits File** icon, as in the screenshot below.
39 39  
40 -[[image:xircuits-file-icon.png||alt="newxircs.png"]]
34 +[[image:newxircs.png]]
41 41  
42 42  A new file with the .xircuits extension will be generated under your current working directory. This is where you can start building the workflow diagram interactively.
43 43  
44 -[[image:xircuits-generated-file.png||alt="newfile.png"]]
38 +[[image:newfile.png]]
45 45  
46 46  You will notice that 2 components are already placed inside the workflow: the __Start__ and the __Finish__ components. They cannot be modified or deleted, and they represent the starting and finishing point of the workflow.
47 47  
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49 49  
50 50  Open the components tray, from the left-side bar icon highlighted below.
51 51  
52 -[[image:xircuits-extension-icon.png||alt="tray.png"]]
46 +[[image:tray.png]]
53 53  
54 54  Now, you can browse through the components, select the one you wish to use, then drag and drop it into the workflow area.
55 55  
56 -[[image:xircuits-component-browser.png||alt="components.png"]]
50 +[[image:components.png]]
57 57  
58 58  === **Step 3. Configure the components** ===
59 59  
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63 63  
64 64  The parameters need to be linked to the inputs of the component by dragging and dropping a connection from the output port of a literal/component towards the corresponding input port of the other component (e.g. the gray connections in the screenshot below).
65 65  
66 -[[image:configure-components.png||alt="diagr.png"]]
60 +[[image:diagr.png]]
67 67  
68 68  === **Step 4. Make connections** ===
69 69  
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71 71  
72 72  First, link the __Start__ node to the first component of your workflow. Then make the connections between all your components. The last component should be linked to the __Finish__ node, to indicate the end of your workflow (e.g. the blue connections in the screenshot below). These connections will dictate the order of execution of the components in your workflow.
73 73  
74 -[[image:components-connection.png||alt="diagram.png"]]
68 +[[image:diagram.png]]
75 75  
76 76  === **Step 5. Run the workflow** ===
77 77  
78 -After connecting everything, you need to run the workflow to actually see its results.
72 +After connecting everything, you need to run the workflow to actually see its result. For this you can click on the Run button (▶), which will also implicitly compile the workflow.
79 79  
80 -There are 2 ways to run the workflow in EBRAINS Lab:
74 +[[image:run.png]]
81 81  
82 -~1. Locally:
83 -
84 -* For this you can click on the Run button (▶), which will also implicitly compile the workflow. Make sure that __Local Run__ is selected near the Run button.
85 -
86 -[[image:local-run-button.png||alt="run.png"]]
87 -
88 -
89 -2. Remotely on HPC (only if you have access to HPC resources)
90 -
91 -* First choose the __Remote Run__ in the select box and then click the Run button (▶), which will also implicitly compile the workflow.
92 -
93 -[[image:remote-run-button.png||alt="remote.png"]]
94 -
95 -* A dialog will open to request the HPC connection details:
96 -** which __HPC Site__ to use
97 -** the name of the __HPC Project/Account__ you have access to
98 -** one checkbox to choose whether you want the __HPC Monitoring__ to be opened up automatically (via tvb-ext-unicore GUI). This can also be opened up manually using the __Monitor HPC__ button or the __U__ icon from the left side-bar.
99 -** one checkbox to choose whether you want the results to be __staged out__ automatically or not. If checked, the workflow waits for the HPC jobs to finish and then performs the stage out. If unchecked, the results can be manually downloaded later on by using the GUI of the tvb-ext-unicore.
100 -
101 -[[image:remote-run-configuration.png||alt="rem.png"]]
102 -
103 -* The HPC monitoring is done via the GUI of tvb-ext-unicore which is a separate package we have documented under this Wiki. But it can be nicely used together with tvb-ext-xircuits:
104 -
105 -[[image:hpc-monitoring.png||alt="uni.png"]]
106 -
107 -
108 108  After clicking on Run, a new Jupyter Output window should appear in the bottom of your Jupyter Lab environment. Here you will see the output of your workflow, such as logs, static plots, etc.
109 109  
110 -[[image:jupyter-output-window.png||alt="out.png"]]
78 +[[image:out.png]]
111 111  
112 112  === **Step 6. Share your work*** ===
113 113  
114 114  This step is, of course, optional, but it is worth mentioning that sharing your workflows with others is extremely easy. By just saving and sharing your workflow (*.xircuits) file, anyone can access the entire workflow, see the exact connections that you made and receive the same configuration for the components.
115 115  
84 +
85 +
116 116  == Custom functionalities ==
117 117  
118 118  As mentioned before, besides all the core functionalities provided by Xircuits, some other functionalities were added to better suit the needs of the EBRAINS users.
119 119  
120 -=== 1. Configure TVB models using the Phase Plane widget ===
90 +=== 1. Configure TVB models using the Phase Plane widget. ===
121 121  
122 122  This functionality was added to make it easier for users to provide the correct parameters to TVB models, using the Phase Plane widget.
123 123  
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124 124  To use this functionality, drag any model from the **TVB_MODELS** (inside the components tray) into the workflow area. Then right click on the model and select the **Open Viewer** option:
125 125  
126 126  
127 -[[image:open-viewer-on-models.png||alt="image-20221116125354-2.png" data-xwiki-image-style-alignment="center" height="800" width="1130"]]
97 +(% style="text-align:center" %)
98 +[[image:image-20221116125354-2.png||height="800" width="1130"]]
128 128  
129 129  
130 130  A new Jupyter tab should open, which contains a read-only Jupyter notebook. After following the instructions provided there, you should be able to see the Phase Plane widget associated with this particular model.
131 131  
132 -[[image:image-20221116125822-1.png||data-xwiki-image-style-alignment="center" height="800" width="821"]]
103 +(% style="text-align:center" %)
104 +[[image:image-20221116125822-1.png||height="800" width="821"]]
133 133  
134 134  After configuring the parameters with the desired values, go to the Exports tab of the widget and click on **Export model configuration**. Now all you have to do is to go back to the tab where your workflow is and you will see that the model will have values set for all the parameters that you modified in the Phase Plane widget (that is all the parameters there were assigned values different than the default ones).
135 135  
136 -[[image:export-model-configuration.png||alt="image-20221116130425-1.png" data-xwiki-image-style-alignment="center" height="900" width="1069"]]
108 +(% style="text-align:center" %)
109 +[[image:image-20221116130425-1.png||height="900" width="1069"]]
137 137  
138 138  
139 -=== 2. Visualize time series resulted from simulations ===
140 -
141 -This functionality is available for the **StoreResultsToDrive** component. Right click on the **StoreResultsToDrive** and select the **Open Viewer** option:
142 -
143 -[[image:open-viewer-button.png||alt="view.png"]]
144 -
145 -A new Jupyter tab should open, which contains a read-only Jupyter notebook. After running the cell, you should be able to see the **TimeSeriesBrowser **widget with the //**Collab**// and //**folder**// you have chosen for the **StoreResultsToDrive **component already loaded.
146 -
147 -[[image:view2.png]]
148 -
149 -Next, you should choose which time series file to display and click the **View time series button**.
150 -
151 -[[image:timeseries-plotly.png||alt="view3.png"]]
152 -
153 -== ==
154 -
155 155  == Workflow examples ==
156 156  
157 157  (((
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161 161  Contains all TVB components necessary for running a TVB simulation (i.e. connectivity, coupling, model, integrator, monitor, simulator).
162 162  
163 163  {{html}}
164 -<iframe width="1280" height="720" src="https://www.youtube.com/embed/bmqPlIJsWLk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
121 +<iframe src="https://drive.google.com/file/d/14sVjWXmtfZB-Zt7i3MA26-MiNWwv3jZI/preview" width="1280" height="720" allow="autoplay"></iframe>
165 165  {{/html}}
166 166  
167 167  
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170 170  Same workflow as before, but the parameter for the model used in simulation are set using the PhasePlaneWidget.
171 171  
172 172  {{html}}
173 -<iframe width="1280" height="720" src="https://www.youtube.com/embed/jhGfYul1z9k" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
130 +<iframe src="https://drive.google.com/file/d/1Puoi4-Ej4BhVwtdRzciPD_qNKMF0HvGT/preview" width="1280" height="720" allow="autoplay"></iframe>
174 174  {{/html}}
175 175  
176 176  
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179 179  A simulation workflow where **siibra **is used to retrieve a connectivity from the EBRAINS KG. That connectivity is fed into a TVB Simulator, where the rest of the parameters (coupling, model, etc.) are set to default values.
180 180  
181 181  {{html}}
182 -<iframe width="1280" height="720" src="https://www.youtube.com/embed/hnqTpFGCYMg" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
139 +<iframe src="https://drive.google.com/file/d/1bakH6ZD96eMHnYSw1aasF_gNXt8sBS7D/preview" width="1280" height="720" allow="autoplay"></iframe>
183 183  {{/html}}
184 184  
185 185  
186 -=== 4. Run a workflow as an HPB job ===
143 +=== 4. Run a workflow inside an HPB job ===
187 187  
188 188  A workflow simulation which is run remotely, by submitting a job to an HPC site and getting back the results (TimeSeries object).
189 189  
190 -{{html}}<iframe width="1280" height="720" src="https://www.youtube.com/embed/M6rZClFgRrM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>{{/html}}
147 +{{html}}<iframe src="https://drive.google.com/file/d/1rvcj_9lGtR069iXlL3Rm1czMNdA3qmGM/preview" width="1280" height="720" allow="autoplay"></iframe>{{/html}}
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Public

TVB Widgets