All Forums  Origin Forum  Origin Forum  Erratic log scale plot in Origin 8

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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 Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by tcfung[/i] [br]I need to plot my data in log10 y scale. Most of my data points are positive and some time they contain some negative value points. I need the program simply ignore those negative points and plot positive as usual. Origin 7's line and line + symbol plot did a nice job on it! However, when I load the same file into the new Origin 8, I found that the line is all over the log plot and it seems Origin 8 get confuse with the negative values. Similiar thing happen in line + symbol plot, the line will mis-connect many positive points where negative values exist amound them. Can anyone kindly help me with this issue? [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.