Activities/Ruler: Difference between revisions
Created page with '300px == Where to get Ruler == [http://activities.sugarlabs.org/en-US/sugar/addon/4192/ Activity] | [http://git.sugarlabs.org/projects/ruler/repos/mainlin...' |
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[[File:Ruler. | [[File:Ruler.jpg|300px]] | ||
== Where to get Ruler == | == Where to get Ruler == | ||
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File:Ruler-fig3.png|angles | File:Ruler-fig3.png|angles | ||
File:Ruler-fig4.png|checkerboard | File:Ruler-fig4.png|checkerboard | ||
<gallery> | </gallery> | ||
Since the OLPC XO computer has a 200 DPI display, the rulers are quite accurate. One other hardware, where the display resolution is not known, their is a spinner to let the user set the DPI. Ruler saves this value to the Journal, so it need not be set on subsequent uses of the Activity. | Since the OLPC XO computer has a 200 DPI display, the rulers are quite accurate. One other hardware, where the display resolution is not known, their is a spinner to let the user set the DPI. Ruler saves this value to the Journal, so it need not be set on subsequent uses of the Activity. | ||
=== Toolbar === | |||
[[Image:Ruler-toolbar.png]] | |||
From left to right: | |||
* Activity menu button | |||
* CM and MM ruler | |||
* CM and MM grid | |||
* Angles (protractor) | |||
* Checkerboard | |||
* Dots per inch (DPI) spinner – used to set the display DPI – only appears when DPI is not known, e.g., non-OLPC-XO hardware | |||
* Stop button (not shown) | |||
