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📗 [1 points] Why are taking CS559? Cannot get into CS540 or another class. Randomly picked a CS5xx course. Want to learn computer graphics: programming. Want to learn computer graphics: math. Wrong room. None of the above.
📗 [1 points] Which applications of computer graphics are you interested in? Video games. Movie animation (special effects). Virtual (or augmented reality) Data visualization. Physics simulation. None of the above.
📗 [1 points] Which ones of the following produce a line on a 500 x 500 HTML Canvas from the bottom left corner to the top right corner? context.moveTo(0, 500); context.lineTo(500, 0); context.moveTo(500, 0); context.lineTo(0, 500); context.moveTo(500, 500); context.lineTo(0, 0); context.moveTo(0, 0); context.lineTo(500, 500); context.moveTo(0, 0); context.lineTo(0, 0); None of the above.
📗 [1 points] Which ones of the following fill the bottom right quadrant (one-firth of a square) of a 500 x 500 HTML Canvas with context.fillStyle? context.fillRect(250, 250, 250, 250); context.fillRect(250, 250, 500, 500); context.fillRect(0, 0, 250, 250); context.fillRect(0, 250, 250, 250); context.fillRect(250, 0, 250, 250); None of the above.
📗 [1 points] Which ones of the following produces an ellipse with a larger radius in the x-axis (horizontal) direction? Assume let pi = Math.PI. context.ellipse(0, 0, 200, 100, 0, 0, 2 * pi); context.ellipse(0, 0, 200, 100, pi, 0, 2 * pi); context.ellipse(0, 0, 200, 100, pi * 2, 0, 2 * pi); context.ellipse(0, 0, 200, 100, pi * 0.5, 0, 2 * pi); context.ellipse(0, 0, 200, 100, pi * 1.5, 0, 2 * pi); None of the above.
📗 [1 points] Which ones of the following context.fillStyle are fully opaque (not transparent)? "red" "rgb(255,0,0)" "rgba(255,0,0,1)" "rgba(255,0,0,0.5)" "rgba(255,0,0,0)" None of the above.
📗 [1 points] Given a sequence of vertices of a (closed) polygon (1, 0), (0, 0), (0, 1), (a, b), which values of the (a, b) will produce a polygon that is concave (not convex)? (0.5, 0.25) (0.25, 0.5) (0.25, 0.25) (0.5, 0.5) (1, 1) None of the above.
📗 [1 points] Given a non-simple polygon with two triangles, one inside the other, produced by context.moveTo(0, 0); context.lineTo(0, 3); context.lineTo(3, 0); context.closePath(); context.moveTo(1, 1); context.lineTo(1, 2); context.lineTo(2, 1); context.closePath();, would the smaller triangle be filled by context.fillStyle? No if even-odd rule, yes if non-zero. Yes if even-odd rule, no if non-zero. Yes if even-odd rule, yes if non-zero. No if even-odd rule, no if non-zero. Depend on randomness (sometimes yes, sometimes no). None of the above.
📗 [1 points] Please provide additional comments, questions, or feedback:
📗 [1 points] Why are you submitting this survey? Did not attend one or both of the lectures this week. Attended both lectures but missed some questions on TopHat. Attended the lectures but TopHat did not work. Want to submit anonymous feedback.
Note: if you selected the third (please also email me) or forth choice, you only have to complete the last question.