Replace X axis label text value on the basis of condition or Trim value in Pentaho

Go to your Line Charts Advance properties

Then Open the extension points

then add the following parameters in that

1 2 3

baseAxisLabel_text:  function(a) { var str = this.scene.atoms.category.label;   return str.replace("Jan", "KKK").replace("Mar", "mmmm"); }

We can use xAxisLabel_text also instead of baseAxisLabel_text