Data Query - Waterfall Plots

In this tutorial, you will learn how to use the Data Query panel for Waterfall plots, and plot the orders in the HyperGraph window

From the 3D Chart ribbon, click the Data Query tool.


Figure 1.

The Data Query panel uses vertical cutting surfaces for viewing and plotting non-planer cross sections. Surfaces can be defined by math expressions, specifying orders, and selecting points on the waterfall plot or 3-D surface plot.



Figure 2.

Open Session File

  1. From the menu bar, select File > Session > Open.
  2. Select the file trimmer.mvw, located in the 3dplotting folder, and click Open.
  3. Click Close on the message log that appears.
  4. Create a page using the page navigation tools in the upper right corner.


    Figure 3.
  5. In the new window, click the Change Type icon () above the plot window and select 3D Chart.

Create a Frequency versus Time Waterfall Plot

  1. From the 3D Chart ribbon, click the Waterfall tool.


    Figure 4.
  2. Verify that Frequency and Time are the options set under Plot Type:.
  3. Click the curve selection icon, , in the Response Field for Data Curves:.
  4. Choose the Force vs Time – Raw curve.
  5. Click Select.
  6. Verify that the curve referenced under Response is p1w2c1.
  7. Enter 100 for Number under Waterfall Slices.
  8. Check the Contour waterfall option.
  9. Click Apply.

Create Cut Lines Using the Data Query Panel

  1. From the 3D Chart ribbon, click the Data Query tool.


    Figure 5.
  2. Click Add n from the panel area.
  3. Select the RPM vs Time – Raw for Input and Time Vector.
  4. Enter 1 – 6 for the Order List.
  5. Activate the Input vector is in RPM checkbox.
  6. Click OK.
    Figure 6.

Plot the Orders in HyperGraph Windows

  1. From the Data Query panel, click All next to the order list.
  2. Change Layout: to One plot per cut.
  3. Select the Two-Window Layout, , from the layout options in the Data Query panel.
  4. Set the Create curve: options to Y-Axis Vs Z-Axis.
  5. Click Preview to preview the curves in a pop-up window.
  6. Click Plot Data to create the curves.
  7. Go to the Waterfall panel.
  8. Select RPM vs time for the Response field.
  9. Click Apply.
    Figure 7.
    Note: The plots in the HyperGraph windows have been updated.

Create a New Order and Position Them

  1. Return to Data Query panel.
  2. Click Add under Order List.
  3. Left-click on an order in the Waterfall plot to set its location.
    Note: The location of the new order is shown in the Order list in the panel.
    Figure 8.
  4. Select Order 1 from the Order list and repeat the previous step.