help contour 2D

Pippi88 · February 5, 2013, 14:38

Hi,
I'm new here and I'm also new as a tecplot 360 user.
I have a file .dat with 3 columns of numbers, thickness as function of two other indipendent variables. I have loaded the data file as a General text and I have plotted the 3D view but now I need to view the 2D contour plot and I don't understand how do that. Everything I have tried give to me the same results ... a white graphic with only the right axes ..

thanks for your help

scott_rumage · February 6, 2013, 10:33

Tecplot is unable to create a contour plot from data that is "unconnected" (which is what your data are). One can connect data in Tecplot a variety of ways. Once Tecplot understands the connectivity of the data, then it will be able to produce the contour.

Option 1. -- If the data are 2D one can triangulate via a method described in this tutorial video: http://www.youtube.com/watch?v=3FMTLQ-ozKA

Option 2. -- If the data are on a regular XY grid, one can create a grid in Tecplot Data>>Create Zone>>Rectangular and then interpolate the data onto the newly created grid Data>>Interpolate

Cheers,
Scott

Pippi88 · February 6, 2013, 10:46

Thank you very much!! Now I can see the contour of my data.

February 5, 2013, 14:38	help contour 2D	#1
Pippi88 New Member Martina Join Date: Feb 2013 Posts: 3 Rep Power: 2	Hi, I'm new here and I'm also new as a tecplot 360 user. I have a file .dat with 3 columns of numbers, thickness as function of two other indipendent variables. I have loaded the data file as a General text and I have plotted the 3D view but now I need to view the 2D contour plot and I don't understand how do that. Everything I have tried give to me the same results ... a white graphic with only the right axes .. thanks for your help

February 6, 2013, 10:33	help contour 2d -- "connect" the data	#2
scott_rumage Member Scott Rumage Join Date: May 2009 Location: Seattle, WA Posts: 63 Rep Power: 6	Tecplot is unable to create a contour plot from data that is "unconnected" (which is what your data are). One can connect data in Tecplot a variety of ways. Once Tecplot understands the connectivity of the data, then it will be able to produce the contour. Option 1. -- If the data are 2D one can triangulate via a method described in this tutorial video: http://www.youtube.com/watch?v=3FMTLQ-ozKA Option 2. -- If the data are on a regular XY grid, one can create a grid in Tecplot Data>>Create Zone>>Rectangular and then interpolate the data onto the newly created grid Data>>Interpolate Cheers, Scott

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February 6, 2013, 10:46		#3
Pippi88 New Member Martina Join Date: Feb 2013 Posts: 3 Rep Power: 2	Thank you very much!! Now I can see the contour of my data.