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Hi, </div>
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I am using python to calculate contact area between 2 chains. My code is as follows</div>
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<span>p1, p2 = [s.surface_piece for s in openModels.list(modelTypes=[MSMSModel])]<br>
</span><span>y = measure.contact_area(p1, p2, 2.5)</span><br>
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<span>However, this returns the error: TypeError: contact_area() takes at least 4 arguments (3 given)</span></div>
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<span>This is the function for contact_area</span></div>
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<span><span>def contact_area(p1, p2, d, color = None, offset = None, slab = None, </span><span>smooth = False, optimize = True):</span><br>
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<span><span>What is the 4th required argument?</span></span></div>
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<span><span>Best,</span></span></div>
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<span><span>Kevin</span></span></div>
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