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 Log scale from 0-1 and thereAFTER linear scale		  New Topic  Reply to Topic
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Mervita

Finland
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Posted - 09/27/2007 :  09:58:38 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 7.5 SR4 v7.5853 (B853)
Operating System: Windows XP

Hi!

Is there a way in Origin to make a graph with log10 scale in the beginning of x-axis (values from 0 to 1) and then continue the same axis with linear scaling (values from 1 to 10, for example)?

BR, Mervi

Mike Buess

USA
3037 Posts
Posted - 09/27/2007 :  10:34:34 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Format the entire axis as log10 and uncheck the Log 10 Scale After Break option on the Format dialog's Break tab. Here are details...

1. Start with linear plot and format as log10 as shown below.


2. Click Apply to create the log10 plot below. Configure Break tab as shown. (Remember to uncheck Log 10 Scale After Break option.)


3. Click Apply or OK to create the mixed plot shown here.


Mike Buess
Origin WebRing Member

Edited by - Mike Buess on 09/27/2007 1:33:30 PM
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Mervita

Finland
Posts
Posted - 09/28/2007 :  03:23:20 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply

Thanks! This helped already a lot!

Is there a way to get rid of the axis brake mark and make the axis continue without a gap? Here's a picture where the bottom part is the kind of figure I've started with and up is the one where I've made the log10 to linear change. My problem is that I have values AT one and across one and as you can see the data breaks down where the axis break is.




Mervi
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larry_lan

China
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Posted - 09/28/2007 :  03:50:17 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Maybe a workaround is, create two graph sepereately, and then merge them. (Edit : Merge All Graph Windows). Set gaps between them as 0 when merging the two graphs.

Since the error bar may out of layer frame, uncheck the following checkboxes on Plot Detail dialog.



Thanks
Larry
OriginLab Technical Services
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Mervita

Finland
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Posted - 09/28/2007 :  05:23:21 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply

Thanks Larry, your suggestion solved the problem although since I'm not very good at organizing layers it will take me a while to complete my multipanel graph..

I noted, however that since the scales in the two graphs are not the same, you actually need to clip data to frames. Otherwise an error bar extending from the log side to linear side (and the other way around) does not end to correct position.

Mervi
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