A newbie to Contour Color Plots

contour · August 17, 2012, 06:17

Hi,

I have conducted an experiment in obtaining the horizontal and vertical airflow velocity for a pitot tube. Results have been taken in increments of 5Hz to 40Hz. The pitot tube has been inserted at 6 different sampling distances (both horizontally and vertically).

My question:

Using the sampling distances and velocities obtained at different frequencies, how do I represent the airflow using a contour color plot?

I have GNUPLOT and Originlab available and only intend on using one of these packages.

Thank you.
p.s: I hope this is in the correct thread, apologies if not.

mettler · August 17, 2012, 11:33

you'll create a matrix with your velocities in each of the cells. Then, plot the matrix as a contour plot. There is usually an option for that.

August 17, 2012, 06:17	A newbie to Contour Color Plots	#1
contour New Member anon Join Date: Aug 2012 Posts: 1 Rep Power: 0	Hi, I have conducted an experiment in obtaining the horizontal and vertical airflow velocity for a pitot tube. Results have been taken in increments of 5Hz to 40Hz. The pitot tube has been inserted at 6 different sampling distances (both horizontally and vertically). My question: Using the sampling distances and velocities obtained at different frequencies, how do I represent the airflow using a contour color plot? I have GNUPLOT and Originlab available and only intend on using one of these packages. Thank you. p.s: I hope this is in the correct thread, apologies if not.

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August 17, 2012, 11:33		#2
mettler Senior Member Andrew Join Date: Mar 2009 Location: Washington, DC Posts: 211 Rep Power: 18	you'll create a matrix with your velocities in each of the cells. Then, plot the matrix as a contour plot. There is usually an option for that.