Hi Ken, The thing is, the clouds are distorted if I switched off the “Spherical Coordinates”, and the output shape looks something like a straight line. I attached the image for your reference.
Henry > On 22 Apr 2017, at 6:28 AM, Moreland, Kenneth <[email protected]> wrote: > > Are you reading your data in with the Generic/CF reader and with “Spherical > Coordinates” clicked on? If so, then the lat/lon/height coordinates are > transformed to a sphere in the Cartesian space and thus no longer align with > the x, y, and z axes. > > -Ken > > > From: ParaView <[email protected] > <mailto:[email protected]>> on behalf of Henry Lau > <[email protected] <mailto:[email protected]>> > Date: Friday, April 21, 2017 at 6:35 PM > To: "[email protected] <mailto:[email protected]>" > <[email protected] <mailto:[email protected]>> > Subject: [EXTERNAL] [Paraview] Wind Velocity does not match cloud movement > > Hi, > > I was visualising my wind velocity using glyphs and cloud water content at > the same time. However, I notice that the direction where the clouds move do > not match the direction the glyphs pointing. > > Below are the steps how I create the output: > The data is a netcdf file with wind variable array "ua" > (eastward_wind_speed), "va" (northward_wind_speed), and "wa" > (wind_vertical_velocity). > I used a cell_data_to_point_data filter to convert them into point data. > Then I combined these 3 arrays using a Paraview calculator with the equation > iHat*ua + jHat*va + kHat*wa. > Then do a glyph filter to visualise the wind velocity. > > Attached image is the output I got. > The blue isosurfaces are the cloud water content while the glyphs are the > wind velocity. The problem is, the clouds are moving to the left, which does > not match where the glyphs are pointing at. > > What would be the possible reason for this error? > > TIA > <image001.png>
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