Rectangular Region

Procedure

Drawing is initiated on a button press and terminated on the next button release at the opposite corner of the rectangle. All drawing is done while the button is down.

1. Adjust the image to the desired magnification, image position, palette, and other attributes.

2. Open the Region Measurement Toolbar. [more] Marking mode is automatically enabled when the toolbar is opened. If marking mode has been disabled by prior commands, activate it by clicking the button.

3. Move the mouse to the starting point at the first corner. Press and hold the mouse button to begin marking.

4. With the mouse button down, drag the pointer to the opposite corner.

5. At the opposite corner, release the button to terminate the region. The measurement is reported in the Regions Report window.

6. To measure other regions, repeat steps 3 though 5.

7. When finished you can disable marking mode by clicking the button.