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Creating Basic 2D Geometry

Creating Basic 2D Geometry. James Martin High School Computer Multimedia and Animation Instructor: G. Patton. From: CHAPTER 4 – 3DS MAX AND ITS APPLICATIONS. 1. What is a 3ds Max shape?.

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Creating Basic 2D Geometry

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  1. Creating Basic2D Geometry James Martin High SchoolComputer Multimedia and AnimationInstructor: G. Patton From: CHAPTER 4 – 3DS MAX AND ITS APPLICATIONS

  2. 1. What is a 3ds Max shape? A 3ds max shape is a 2D spline object. Shapes are used to create 3D objects, and they can be used as paths for lofting or movement.

  3. 2. What are the settings in the Interpolation rollout used for? The settings in the Interpolation rollout determine how a spline object is created by specifying the number of steps between vertices.

  4. 3. How is a spline object made so it can be rendered? Splines are set to be rendered by checking the Renderable check box in the Rendering rollout.

  5. 4. A line is made up of one or more _____________ or ___________segments. A line is made up of one or more straight or curved segments.

  6. 5. What is the purpose of the Start New Shape check box? The Start New Shape check box enables you to draw a new shape as a separate object from the current shape.

  7. 6. What do the settings in the Initial Type and Drag Type area of the Creation Method rollout determine when drawing a line? The settings in the Initial Type area specify the type of vertices created with single pick points. The settings in the Drag Type area specify the type of vertices drawn when points are dragged.

  8. 7. What types of corners can a rectangle have? A rectangle can have square and rounded corners

  9. 8. When creating a circle, the settings in the Creation Method rollout apply only when using the _________. When creating a circle, the settings in the Creation Method rollout apply only when using the cursor.

  10. 9. The two radio buttons in the Creation Method rollout for an arc are _______ and _______. The two radio buttons in the Creation Method rollout for an arc are End-End-Middle and Center-End-End.

  11. 10. An ellipse is a closed circular spline with ______ and ______ axes. An ellipse is a closed circular spline with major and minor axes.

  12. 11. If the Pie Slice check box is checked, a line is drawn from each endpoint of an arc to _______. If the Pie Slice check box is checked, a line is drawn from each endpoint of an are to the center.

  13. 12. What is the least number of sides a Ngon must have? three

  14. 13. How does a circumscribed Ngon fit the imaginary circle defined by the Radius: spinner value? outside

  15. 14. What does a donut create when lofted or extruded? tube

  16. 15. What is the least number and most number of points a star can have? 3, 100

  17. 16. Which points on a star can be filleted? outer and inner

  18. 17. What type of spline is a helix? spiral-shaped

  19. 18. How does the value -1.0 in the Bias: spinner force the coils of a helix? toward the start of the helix

  20. 19. Splines can be created from text using what types of fonts? Type 1 PostScript, TrueType

  21. 20. On what basis can a spline be generated from a section? cross sections of other objects

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