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 Graph for chosen values in another column		  New Topic  Reply to Topic
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Robson123

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Posted - 10/22/2017 :  06:08:24 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): 2017 (64bit)
Operating System: 8.1

Hi,
i use a labtalk and i have got a problem.
i have got 3 columns. I want to plot a graph with column B and C if in column A is value 0. can you help me?
I tried, but there was a mistake. I used this commands:

for (col(A)=0) {plotgrup iy:=(2,3)};

Shirley_GZ

China
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Posted - 10/23/2017 :  03:37:50 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Robson,

Please try our filter tool as below:

wks.col1.filter = 1;  //Enable a filter
wks.col1.filterx$ = "XC"; // variable name we will use
wks.col1.filter$ = "XC=0"; // our filter condition
wks.runfilter(); //run the filter
plotxy iy:=(2,3); //plot filtered column B and C values


The reference pages are: http://www.originlab.com/doc/LabTalk/ref/Wks-Col-obj
http://www.originlab.com/doc/X-Function/ref/plotxy

Please let me know if any problem.

Thanks,
Shirley

Originlab Technical Service Team
Edited by - Shirley_GZ on 10/23/2017 03:39:04 AM
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Robson123

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Posted - 10/23/2017 :  4:37:16 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Great! thank you! but i have one question yet. If i want to plot a graph with two different value from column A (for example 0 and 5)? Separate line for 0 and separate line for 5 on one graph?
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Shirley_GZ

China
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Posted - 10/24/2017 :  10:51:00 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Then, you can use a combo condition as below:

wks.col1.filter = 1;  //Enable a filter
wks.col1.filterx$ = "XC"; // variable name we will use
wks.col1.filter$ = "XC=0 OR XC=5"; // our filter condition
wks.runfilter(); //run the filter


to filter the values, and then use plotgroup X-Function to plot the values into two lines by selecting filtered Col(A) as group data:

plotgroup iy:=(2,3) dgrp:=1;


http://www.originlab.com/doc/X-Function/ref/plotgroup

Thanks,
Shirley


Originlab Technical Service Team
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