Beginning Plotting

From KitwarePublic
Jump to navigationJump to search

Introduction

This use case shows a user how to plot cell and point data. Plotting can be along a line that cuts through your data, or a location with respect to time.

Plot along a line

  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • Filter→Data Analysis→Plot Over Line. Drag the top of the line to intersect the top of the can. Note that hitting the p key will also place the line on the surface of your object. Apply.
  • Properties tab. Unselect all variables except DISPL:Magnitude.
  • Lower on the Properties tab, find Left Axis Use Custom Range. Select this, and enter 0.0 and 20.0.
  • Find Bottom Axis Use Custom Range. Select this, and enter 0.0 and 20.0.
  • Play the animation forward, and notice what happens to the plot.
  • You can also add plot labels and axis labels on the properties tab.


Beginning plotting 1.png


Plot point over time

  • Edit → Reset Session.
  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • We want to plot a point over time. First, we need to select a point.
  • Click on Select Points On icon. Then, click on a point on the can.
  • Filters→Data Analysis→Plot Point Over Time. Apply.
  • Display tab, unselect everything other than DISPL (Magnitude)
  • You now have a plot of the displacement. at your point.
  • Extra Credit – Using Select Cells On icon, and the Plot Cell Over Time, plot EQPS over time.


Beginning plotting 2.png

Plot two variables at same time

  • Follow the steps for Plot Point over time, as described above.
  • On the Properties tab, turn off DISPL (Magnitude) and turn on variables VEL (Magnitude) and ACCL (Magnitude).
  • Select the line that says ACCL (Magnitude), causing this row to turn gray.
  • At the bottom of the Display tab, change Chart Axes to Bottom-Right.
  • Note below that the ACCL (Magnitude) color has been changed to blue.

Beginning plotting 3.png

Plot multiple points (statistics plot version)

  • EditReset Session.
  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • We want to plot numerous points over time. First, we need to select the points.
  • Click on Select Points On icon. Then, rubber band select a dozen points.
  • Filters→Data Analysis→Plot Selection Over Time. Apply.
  • On the Properties tab, turn off all varialbes, and then turn on variables VEL (Magnitude) and ACCL (Magnitude).
  • Select the line that says ACCL (Magnitude), causing this row to turn gray.
  • At the bottom of the Display tab, change Chart Axes to Bottom-Right.


Beginning plotting 4.png


Plot multiple points (spaghetti plot version)

  • EditReset Session.
  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • We want to plot numerous points over time. First, we need to select the points.
  • Click on Select Points On icon. Then, rubber band select about four points.
  • Filters→Data Analysis→Plot Selection Over Time. Apply.
  • On the Properties tab, unselect the Only Report Selection Statistics checkbox. Apply.
  • On the Properties tab, display section, click on Root, turning on all of the points or cells.
  • On the Properties tab, turn off everything, then turn on all variables VEL (Magnitude).


Beginning plotting 4a.png

Plot min, max and average for all points of a block over time

  • EditReset Session.
  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • We want to plot all of the can points over time. First, we need to select the points.
  • Click on Select Block icon. Select the can.
  • Filters→Data Analysis→Extract Selection. Apply.
  • We now have the can.
  • Find Data dialog. This can be found on the Edit menu.
  • Find Points from ExtractSelection#.
  • Next line, use ID and is >= and 0.
  • Run Selection Query/
  • Plot Selection Over Time. Apply.
  • In Series Paramaters, turn off everything except DISPL (Magnitude)


Beginning plotting 6.png


Plot data

  • EditReset Session.
  • Open can.exo. Turn on all data. Apply.
  • Drag the can around with the left mouse button until you can see the can.
  • We want to plot two variables against each other, for all points (or cells) of the can.
  • Filters→Data Analysis→Plot Data. Apply.
  • On the Properties tab, turn off Use Index for X Array and for X Array Name select DISPL_Z
  • In Series Paramaters, turn off everything except DISPL (Magnitude)
  • Play


Beginning plotting 5.png


Acknowledgements

Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy’s National Nuclear Security Administration under contract DE-AC04-94AL85000.