how to avoid several plots or overlapping on each other in XY graph

[paar]

Hello sir

please tell me this iam using Xy graph

and running continuously using while loop

i have array of data

Now iam entering one value and for that reading one waveform is coming

if i enter another number another waveform is coming and it is overlapping on the previous one

like this it is overlapping

how can i delete this overlapping

please tell me sir ............

[altenbach]

Please attach a small picture showing what yo mean by "overlapping".

Maybe even attach a simplified version of your code.