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| + | ===== Measuring Angles ===== | ||
| + | Instrument for measuring angles between segments in //XY// plane - protractor - is in the [[image_toolbar|Image toolbar]]: | ||
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| + | {{:processing:angle_1.jpg|}} | ||
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| + | It allows you to measure the angle between two vectors, which were consistently set with the mouse on the image. | ||
| + | Press the left mouse button to specify the beginning of the first segment, holding the mouse button draw a line segment to the end point of the first vector. Similarly, specify the second vector. Beginnings of the vectors will be shown in red, and the ends in green. | ||
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| + | Immediately after you have built the second vector, the measured angle will be displayed on the image: | ||
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| + | {{:processing:angle_2.jpg|}} | ||
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| + | If you want to save this value to the clipboard, use functions [[..:edit:copy_text|Copy text]] or [[..:edit:add_text|Add text]]. | ||
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| + | Once you select a starting point for the next run, the measured values will be lost. | ||