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masking and plotting data

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[quote][i]Originally posted by akerstan[/i]
[br]Origin Ver.8G  and Service Release v8.0951 
Operating System: XP

Hello everybody,

I am trying to write a program for graphing some data.
The problem is that some of the data in the column I want to plot is useless. Therefor I want to mask it.

At first I chose the data to mask:

string c1="worksheet -s 11 1 11 167";
   LT_execute(c1);
   
   string c2="mark -w1 Book1";
   LT_execute(c2);
   
    string c3="worksheet -s 11 640 11 -1";
   LT_execute(c3);
   
   string c4="mark -w1 Book1";
   LT_execute(c4);
	
And now I want to get a plot where I can see the left data points.

Curve crv1(wks, 0, 10);
	GraphPage gpg;
	
	gpg.Create("Origin");
	
	GraphLayer gly = gpg.Layers();

gly.AddPlot(crv1);

DataPlot dp = gly.DataPlots(-1);
	
	dp.SetRange(100, 200);

gly.Rescale();

After I executed my program I have got the data masked in the column but can still see it in my plot...[xx(]

Please... Is there somebody with an idea?

[/quote]

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T O P I C R E V I E W
akerstan	Posted - 05/08/2009 : 08:15:02 AM Origin Ver.8G and Service Release v8.0951 Operating System: XP Hello everybody, I am trying to write a program for graphing some data. The problem is that some of the data in the column I want to plot is useless. Therefor I want to mask it. At first I chose the data to mask: string c1="worksheet -s 11 1 11 167"; LT_execute(c1); string c2="mark -w1 Book1"; LT_execute(c2); string c3="worksheet -s 11 640 11 -1"; LT_execute(c3); string c4="mark -w1 Book1"; LT_execute(c4); And now I want to get a plot where I can see the left data points. Curve crv1(wks, 0, 10); GraphPage gpg; gpg.Create("Origin"); GraphLayer gly = gpg.Layers(); gly.AddPlot(crv1); DataPlot dp = gly.DataPlots(-1); dp.SetRange(100, 200); gly.Rescale(); After I executed my program I have got the data masked in the column but can still see it in my plot... Please... Is there somebody with an idea?
1 L A T E S T R E P L I E S (Newest First)
greg	Posted - 05/26/2009 : 4:17:23 PM The display of Masked datapoints is handled by the @MP system variable. When set to 0, masked points will display in the current mask color. When set to 1, masked points will not display in a graph. (They do still display in a worksheet.) In Origin C, you can use the LT_Set_Var function to manipulate @MP: LT_Set_Var("@MP", 0); // Display masked points in graph LT_Set_Var("@MP", 1); // Hide masked points in graph You will need a refresh after execution.

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