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Do you think the objects created in the following Representation Schema are always valid? Justify your answers with examples.
(ii) Sweeping technique
1. Why do we call a CSG-tree as the binary tree?
2. What types of objects can be represented using the CSG-Schema? What are the limiting factors?
3. What are the conditions for valid object representation in the CSG Schema?
4. What are the differences between a wireframe model and a B-Rep model of a 3-D object?
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