bos #20430 [CEA 20428] FIELDS : improvement of simplified visualisations: Documentation

[modules/med.git] / src / MEDCalc / doc / input / fields_contour_presentation.rst

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+.. _fields_contour_presentation_page:
+
+********************
+Contour presentation
+********************
+
+.. image:: ../images/image_contour_prs.png
+   :align: center
+
+**Contour** presentation combines all equal scalar values applied to the cells and constructs isobaric surfaces.
+
+.. |img_ct| image:: ../images/image_contour.png
+
+To create a **Contour** presentation,
+
+* Select a field item in the **Object Browser**, and
+* Choose **Presentations > Contour** menu or click |img_ct| button in the *Presentations* toolbar.
+
+As a result, **Contour** presentation is published in the **Object Browser** under selected field and displayed
+in the 3D Viewer.
+
+**Contour** presentation has the same base parameters as :ref:`fields_scalar_map_presentation_page`, plus
+the following own ones:
+
+* **Number of contours**: number of contours which are generated: max allowed value of this parameter is 50,
+* **Contour By**: this parameter is available only for vector fields; it allows choosing the component of the vector
+  field from which isobaric surfaces are generated.