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22 Radar reflectivity with isosurface of QRAIN as Typhoon Jangmi approaches Taiwan vapor@ucar.edu
Flow Visualization Overview • <strong>Vapor</strong> can display streamlines (steady flow, constant time) and pathlines (unsteady flow, showing particle paths over time) • Flow can be illustrated in cross-section using the flow image capability in the Probe tab. • Streamlines and path lines are established by seed points (starting points for flow integration) • Seed points can be: – Random: Randomly placed within a range of x, y, and z values, or – Nonrandom: Evenly spaced in x, y, and z dimensions, or – Seed List: Explicitly placed in the scene • <strong>Vapor</strong> Rake tool is provided to specify a box for random or evenly spaced (nonrandom) seeds (looks like: ) • VAPOR Probe tool ( ) can be used to position flow seed points. 23 vapor@ucar.edu
Page 1 and 2: Understanding WRF-ARW Datasets with
Page 3 and 4: Supporting software and data • In
Page 5 and 6: Obtaining images to use with VAPOR
Page 7 and 8: Set-up to visualize a WRF dataset (
Page 9: Set-up to visualize a WRF dataset (
Page 12 and 13: Volume Visualization of QCLOUD 1. U
Page 14 and 15: Volume Visualization: Edit Transfer
Page 16 and 17: Define derived variable • From VA
Page 18 and 19: Isosurfaces of Wind (2) To color th
Page 20 and 21: Capture an animation sequence Save
Page 24 and 25: Random streamlines (1) • Disable
Page 26 and 27: Use the probe to see a vertical sli
Page 28 and 29: 28 Cross section of typhoon (Probe
Page 30 and 31: Using the probe to specify flow see
Page 32 and 33: Other useful capabilities of VAPOR
Page 34 and 35: Tutorial supplement: An analysis of
Page 36 and 37: 36 Thanks! vapor@ucar.edu

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