# Measuring Linear Scratches > [!note] 此页面尚未翻译,以英文显示。 #### Select a measurement mode ![image description](../_images/1769613224491-20260128-151302-screenshot-ae.png) To measure polishing quality with default or last used parameters, press (1) a measurement will be made and the results will be added to the data table. To adjust parameters before starting a measurement, click the interactive measurement icon (2). #### Analysis Preview ![image description](../_images/1769619253701-20260128-165324-screenshot-ae.png) The analysis preview shows a live view from the observer camera. A blue box (1) shows the measurement area. Adjust settings (3) to change camera exposure settings (changing exposure in this view does not effect measurement). Press (2) to take a a trial measurement. #### Measurement Preview ![image description](../_images/1769619548558-20260128-165700-screenshot-ae.png) When a preview measurment has been completed the results are shown in a preview window. The left image shows the identified damage on the surface, adjusting the measurement parameters (1) will change the amount of detected damage. [How to adjust Polishing Quality Parameters](rhopoint-appearance-elements-using-aesthetix-with-ae-aesthetix-modules-polishing-quality-module-adjusting-polishing-quality-parameters.md) The overlay control (2) highlight 'horizontal', 'vertical' or 'all' scratches. These values are recorded seperately in the measurement data and can be used to detect directional damage in the surface. To recalculate the measurement results (4) adjust the parameters (1) and press apply parameters icon (3). #### Complete or restart measurement ![image description](../_images/1769614625496-20260128-153638-screenshot-ae.png) To complete the measurement process, press the tick icon (1)- the trial measurement values will be transfered to the data table. To restart the process press the cancel icon (2). #### Review measurement results ![image description](../_images/1769614744886-20260128-153841-screenshot-ae.png) To review measurments in the table, press the table icon (1).