Unidata IDV Workshop for version 5.7 > Accessing and Displaying Data > Point Observations
3.7.6 More with Point Displays
Leave the earthquake point data source and list display.
- Create a
Point Data Plot display
- In the
Fields panel select Point Data.
- In the
Displays select Point Data Plot and press
Create Display
- If the
Earthquake station model is not selected for display then
select it with the Change button. This station model scales by the
var field and colors by Altitude.
- Turn on the bounding box if it is not on with the menu.
- Tilt the view to be looking from the south. Note the map is at the bottom of the box and
the earthquake symbols are below that.
- Change the vertical scale of the display.
- Find the altitude (depth) range of the data from the Observation List Display
created in the prior exercise.
- Select the menu.
- Enter the min value found in the Observation List display.
- Enter 0 for the max value.
- Press
Apply
- Note the map is now at the bottom. Raise the map by bringing up the
Background Maps display control window, select the Display
tab and use the Map Position slider, close the window.
- If happy with the vertical scale press
OK button.
- Note the gray scale on the default background is difficult to see. Change the background color.
- Select the menu item.
- Press the
Set button in the background row.
- Choose an appropriate color (e.g., light blue) and press
OK
- Press the
Apply button. If things look ok press OK
- Figure out what depth range contains most of the earthquakes.
- Rotate to a southern view. You may need to disable
Declutter.
- Add a
Location Indicator display with the menu.
- Move the origin point with the left mouse button.
- Move the bearing point with a control-key/left mouse button.
- Look at the altitude readouts.
- Go to the
Display tab and turn on
Solid:X and Solid:Y checkboxes.
- Rotate the display and drag the origin point up and down.
- Change the
Transparency to 50%
Unidata IDV Workshop for version 5.7 > Accessing and Displaying Data > Point Observations