How to draw a color three-dimensional ball on a geometric palette

Geometry Artboard Tutorial: How to draw a color three-dimensional ball

The following are specific practices:

1. Create a new geometry artboard file. Use the Circle tool to draw a circle with a circle center as a, over point B.

2. Draw a straight line AB, compared with the dot C. Hides the straight line AB. Draws a segment BC. Take a little D, E, F from BC, as shown in the following figure.

Geometry artboard

3. Select Point d, select Edit-Action class button-animation command. Moves the point D on the segment BC.

4. Measure segment CD, CE, CF, CB length. Select Points C, D, select Distance under the Metrics menu, measure the CD length of the segment, and measure the length of the remaining segments.

Geometry artboard

5. With point C as the center, over Point D draw the circle. Select the points C, D, click on the Build menu, and select the Draw Circle on center and circumference command to draw a circle C, as compared to point G, H, as shown in the following figure.

Geometry artboard

6. Draw the arc GH of the circle C, the line style is set to thick line. Select the arc gh, segment CE, CD, cf long, select the "Show"-"Color"-"parameters" command, the following figure shows the setting, where the maximum parameter range is the size of the CB segment.

Geometry artboard

7. Select the Arc GH and point D in turn, select the "construct"-"trajectory" command, and the image shown in the following figure appears.

Geometry artboard

8. Hide the extra objects. The ball is copied, pasted, and more of these spheres are drawn, and the image shown in the following figure appears.