Oct 02, 2023
2020-2021 Course Catalog
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Credits: 6
Lecture Hours: 4
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Advanced geometric description applicable to all fields of drafting will be emphasized. Descriptive geometry principles will be examined. Basic vector geometry will be covered. Auxiliary views will be created. CAD applications will be taught.
Prerequisite: CAD 151  , MAT 772
Competencies
1. Examine descriptive geometry theorems.
1. Discuss descriptive geometry definitions.
2. Discuss descriptive problem layouts, coordinates, and units.
3. Examine fundamental views.
4. Define points, lines, and planes.
5. Discuss line and plane theorems.
2. Determine intersections of entities.
1. Examine intersecting lines.
2. Examine surface pierce points.
3. Examine plane intersections.
4. Examine perpendicular relationships.
5. Examine dihedral angles.
3. Discuss bearing, slope and grade.
1. Discuss map view and bearing coordinates.
2. Discuss elevation views.
3. Analyze slope, grade, and pitch.
4. Determine pattern and developments.
1. Discuss development theorems.
2. Discuss primitive elements.
3. Develop basic entities in flat patterns.
4. Develop intersections of prisms.
5. Create flat pattern layouts.
5. Solve vector geometry problems graphically.
1. Discuss definitions of terms associated with vector problems.
2. Analyze basic vector principles.
3. Determine resultant of concurrent/non-concurrent coplanar/non-coplanar vectors.
6. Determine auxiliary views.
1. Relate positions of views and identify fold lines.
2. Identify auxiliary views, primary and secondary.
3. Discuss partial views.
4. Construct drawings with auxiliary views.
7. Review dimensioning practices.
1. Review dimensioning standards.
2. Revisit dimension settings and placement in layouts.
3. Create dimensions using baseline, chain, and coordinate.
4. Discuss the difference between double and dual dimensioning.