Draw curves
=================


* Click on the "DA Tools > Load Data" menu.

:math:`\Rightarrow` The data selection window appears. Validate the 3 buttons in the options sub-menus.


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    :height: 2.6972in


.. _RefImage_100002010000019000000151D7791E2BB25B3966.png:


* Click on the "Browse" button and navigate to "tests/data"

For the container version, the path is of the form "/opt/Salome_Meca/v (...) /modules/ DATAANALYTICS_ (...) /share/salome/resources/test/data".

* Select the "ModalAnalysis_Smart_2011_ LMSData .unv" file. Click on the "Open" button then "OK".

:math:`\Rightarrow` The data appears in the tree on the left side of the screen.


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    :height: 2.2244in


.. _RefImage_1000020100000120000000FC5B937BF791B01CA2.png:


* Click on the small triangle to the left of "ModalAnalysis_Smart_2011_ LMSData .unv".

:math:`\Rightarrow` Data is displayed in the tree.
The order is not important, but it is important to check that all the items appear.


.. image:: images/Data_are_loaded.png
    :width: 3.0602in
    :height: 1.8984in


.. _RefImage_Data_are_loaded.png:


* Click on the "DA Tools > Plot" menu.

:math:`\Rightarrow` The curve drawing widget appears in the main window.


.. image:: images/PlotWidget_void.png
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    :height: 4.1102in


.. _RefImage_PlotWidget_void.png:


* Select the "CrossPower" entry in the data tree and drag it into the curve plot widget where "Drag and drop signals" is written.

:math:`\Rightarrow` The curves appear in the graphics window in an Amplitude/Phase chart and the list appears in the pull-down list called "Channel."


.. image:: images/PlotWidget_curve_loaded.png
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.. _RefImage_PlotWidget_curve_loaded.png:


* Right-click in the graphical window showing the amplitude and select "Y lin/log" from the dropdown list

:math:`\Rightarrow` The plot becomes an Amplitude/Phase diagram where the amplitude is on a logarithmic scale.


.. image:: images/PlotWidget_LogCurve.png
    :width: 4.6992in
    :height: 3.8098in


.. _RefImage_PlotWidget_LogCurve.png: