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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Forum: LabTalk Forum Subject: Message: * HTML is OFF * Forum Code is ON Smilies Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 2020b (Academic) Operating System: Win 10 Dear all, I am quite new to Origin programming. For the need of our current project, I would like to create a contour profile plot (from XYZ data) and programmatically add cutlines to it. The current data are x and y coordinates, with their corresponding z-value, corresponding to heat in real-life: x-cord y-cord Heat value 21.641 22.933 307.64938 21.641 23.579 307.64938 21.641 24.225 307.64938 21.641 24.871 307.64938 21.641 25.517 307.64938 21.641 26.163 307.64938 21.641 26.809 307.64938 21.641 27.455 307.64938 21.641 28.101 307.64938 21.641 28.747 307.64938 21.641 29.393 307.64938 21.641 30.039 307.64938 21.641 30.685 307.64938 21.641 31.331 307.64938 .. .. .. The picture at the end of the post is the result I would like to get but [i]with labTalk[/i] We would like to extract (automatically) heat profiles from surface plots. Usually I use the contour profile, and it works fine. Now I need to extract many profiles, making the task by hand relatively impractical. I followed the tutorial for LabTalk programming, and searched into the documentation but the plot ID of the contour profiles seems to not exist (https://www.originlab.com/doc/en/LabTalk/ref/Plot-Type-IDs). I am now wondering if this type of plot is at all accessible via the labtalk interface :/. Sorry for the bother if this question has already been answered >< If you have to do it once, do it. If you have to do it more, ask your PC to do it [img]https://my.originlab.com/ftp/forum_and_kbase/Images/Untitled_ProfPlot.png[/img]   Check here to subscribe to this topic.