Autodesk 00126-050008-1640A User Guide - Page 60

5 Calibrating Raster Images 8. Choose Close to return to the Calibration dialog box. Selecting Calibration Pairs To view, modify, or delete a calibration pair, first select it from the list in the Calibration dialog box. To select a calibration pair from the list Click on the name of the pair. To select several calibration pairs from the list Click on the name of a pair to select it from the list in the Calibration dialog box. Use the CTRL and SHIFT keys to select several pairs at a time. - or - Click and drag in the list of pairs to draw the selecting rectangle around the names of pairs to be selected. Defining the Measured Points on the screen The measured points can be defined on the screen using the mouse. To change position of a measured point on the screen 1. Select the calibration pair to be modified from the list of the Calibration dialog or in the screen. WiseImage highlights the selected point with grips. 2. Zoom to the selected pair by button in the Calibration dialog box. WiseImage pans the image to show the measured point of the selected pair in the centre of the image window. 3. Change the current measured point location. Place the mouse cursor over the grip and click. Move the cursor and click again to specify its new location. 4. Go to the next or previous calibration pair. Press the button on the toolbar in the Calibration dialog box for moving to next calibration pair. - or - Press the button on the toolbar in the Calibration dialog box for moving to previous calibration pair. WiseImage pans the image to show the next (previous) measured point in the centre of the image window. The measured point will be highlighted with grips. 5. Repeat steps 3-4 for all calibration pairs you need. Modifying Calibration Pairs with Dialog The location of any calibration point and the type of any calibration pair can be changed using the Change Point dialog box. 61