# Flatten 3D cylindrical surface to 2D XY plot

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 June 27, 2013, 10:51 Flatten 3D cylindrical surface to 2D XY plot #1 New Member   Join Date: Mar 2013 Posts: 5 Rep Power: 13 Hi all. I am currently stuck and wondering if there is a way to take a surface pressure contour plot of e.g. a half cylinder and flatten it to an XY plot, with X=X (cm) and Y=theta (degrees or radians). Alternatively, how would this data be exported to TecPlot to achieve the same goal (or can it be achieved by importing the .cas/.dat data into TecPlot)? Thanks for any help!

 June 28, 2013, 04:21 #2 Super Moderator   Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,553 Blog Entries: 6 Rep Power: 54 Fieldview can do this. It has built in fuciton

 June 28, 2013, 07:18 #3 New Member   Join Date: Mar 2013 Posts: 5 Rep Power: 13 Thanks Far, I actually figured it out in TecPlot in the end: define central point of the cylinder > define a new theta parameter > convert theta to degrees if required - included below in case it can help anyone else out in the future: {y-centre}={Y}-[insert correction value if required] {theta}=ATAN2({X},{y-centre}) {theta-degrees}={theta}*(180/pi) Then plot X vs. theta for a contour plot of the desired variable. fjgwd002 likes this.

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