Learning Math/CS/Engineering Design with Robotics
CSP Unit 3 Lesson 7.8
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Additional Useful Drawing Commands: In this activity we introduce several more drawing commands: background color, grid on/off, no stroke color, and fill opacity. The first two commands should be fairly self-explanatory. The no stroke color command turns off, for example, the outline that appears around drawn figures. The fill opacity command allows you to control the transparency of the colored figures you draw. It has one numeric parameter that can have values from 0 to 1, with 0 representing no color (no opacity, or full transparency) and 1 representing full color (full opacity, or no transparency).
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| Grid Size: S M L | Simple View: | MinView: |
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| Coord: x-axis y-axis | Grid Lines: x-axis y-axis | |||
| Grid: | 12x12 inches | 24x24 inches | 36x36 inches | |
| 72x72 inches | 96x96 inches | 192x192 inches | ||
| 1x1 inches | 2x2 inches | Fraction: | ||
| xy-Range: | ||||
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| Quad: | 1 Quadrant | 4 Quadrants | 1&4 Quadrants | |
| Units: | US Customary | Metric | Ruler: | |
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| Hash Lines: |
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Create a program that uses the background color command to change the grid background color to white, uses the grid on/off command to turn off the grid, and uses the no stroke color command to turn off the stroke color. Have it draw two circles that partially overlap, with one circle being blue and one circle red, and each circle having a transparency of 50%. |
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Pre-Board Workspace
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Post-Board Workspace
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