Note that it is possible to resample the resulting image to a more appropriate scale. The resulting image is rendered at the best resolution possible, but it does not take care of the scale. You can choose any decimal unit of measure, no matter which one. Once you get all pins accurately placed, it's time to insert the corrensponding real values.Īctivate the Input Panel and type the known values in the cartesian form (x, y).Īs in a cartesian plane, you should start giving (0, 0) to the lowest left point (better use the red pin first) and, in clockwise order, assign the other points (green, blue, yellow) a value referred to the origin. Now you can move again the magnifier toward the key point, now revealed, and click again the button of the corrensponding color. The pin will be placed exactly where the cross-hair is. In case the exact point is covered by the previously placed pin, move the cross-hair just above then click on the push button of the same color of the pin you are placing. When arriving close to a point to get, use the arrow keys to finely move the glass cross-hair in the exact point. With the magnifier glass activated, adjust the blow-up then click and drag the glass over the image. Placing precisely the pins is fundamental. Take care not to cross the points (watch the four-sides outline that appears when dragging the pins). Repeat the same with the green, the blue and the yellow ones. As the picture appears, you will see at the lower left corner the four pins you have to place in correnspondance of the 4 key points.īefore to go on reading, you should watch Plumb-Bob at work as showed in the short video (also in HD) here below.Ĭlick and drag the red pin first and place it close to the first known point.
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