Abstract
AbstractHumans and machines recognize or understand various 3D shapes through projections from different views. Descriptive Geometry (DG) constructs dimensional one-to-one map with unambiguity. The presentation and computing advantages of DG are presented from the perspective of modern computing, including the methods of dimension reduction with projection and dimension upgrade with geometric construction. The concept of graphic computational thinking (GCT) is then proposed, with an integration of graphic thinking and computational thinking. The characters and the hierarchical structure of GCT in DG are described, along with the potential educational values.KeywordsDescriptive geometryGraphic computational thinkingGeometric relationsConstructive solution
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