This tab allows you to use drawing tools to take linear and area measurements of your image file.
To use the tab:
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Use a drawing tool to take another measurement
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Click the Save button in the header toolbar
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Take the next measurement
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Click the Save button in the header toolbar
 TOOLBAR
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 SCALE SECTION
Click the Edit button to enter Scale mode:
To set the scale:
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Click and drag to draw a red line on the drawing area that is a known distance in the image
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Type a number in the Distance on the ground field
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Click the Save button to save the scale and exit Scale mode
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 MEASUREMENT AREA
To use the drawing area:
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Draw a line or shape on the image.
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If the "Add Text" box is checked in the Measurements toolbar, a text field appears when the drawing action takes place. Type a label for the measurement in the text field
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Click the Save button in the header toolbar.
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 MEASURES TABLE
Saved measurements appear here. Click the Delete button to delete measurements from the table.
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