bos #20430 Move fields documentation to the common doc folder

[modules/med.git] / doc / dev / sphinx / fields_stream_lines_presentation.rst

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+.. _fields_stream_lines_presentation_page:
+
+*************************
+Stream lines presentation
+*************************
+
+.. image:: images/image_stream_lines_prs.png
+   :align: center
+
+**Stream lines** is a type of presentation transforming the cells with vectors having most similar direction into lines.
+A streamline can be thought of as the path that a massless particle takes in a vector field. Streamlines are used to
+convey the structure of a vector field.
+
+.. |img_stl| image:: images/image_stream_lines.png
+
+To create a **Stream lines** presentation,
+
+* Select a field item in the **Object Browser**, and
+* Choose **Presentations > Stream lines** menu or click |img_stl| button in the *Presentations* toolbar.
+
+As a result, **Stream lines** presentation is published in the **Object Browser** under selected field and displayed
+in the 3D Viewer.
+
+**Stream lines** presentation has the same base parameters as a :ref:`fields_scalar_map_presentation_page`,
+but in addition it also has own specific ones:
+
+* **Integration Direction**: specifies in which direction(s) streamlines are generated.