docstr: Variations on the constructors in the Elements notebook
docstr_tok: ["Variations","on","the","constructors","in","the","Elements","notebook"]
code: def setUp(self):
      "Variations on the constructors in the Elements notebook"
  
      self.curve1 = Curve(
          [(0.1 * i, np.sin(0.1 * i)) for i in range(100)]
      )
      self.curve2 = Curve(
          [(0.1 * i, np.sin(0.1 * i)) for i in range(101)]
      )
  
imports: import numpy
  from holoviews import Bars, Curve, Dimension, Histogram, Points, Scatter, VectorField
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 1 for calling the CurveComparisonTest obj's underlying member method code with example usage: obj.setUp() without return types