Success of the automatic perspective correction depends on several criteria:
* The presence of enough vertical and / or horizontal components
* Absence of disturbing elements (remarkable neither horizontal nor vertical lines)   
When these conditions are met, ViewPoint gives very good results. 

In palette “Perspective”   
– ViewPoint: “Auto” button 
– PhotoLab: Magic wand 

Auto Perspective correction

A successful automatic correction may truncate a large part of the subject. 
This is a very common situation where ViewPoint crops to the narrowest part of the image (usually at the bottom since most buildings photos are low-angle shots). 
Cropping is required and sometimes setting a different image ratio as well.

In palette “Crop”   
– ViewPoint: Choose “Custom” from the drop-down list, then enter the width / height ratio
– PhotoLab: Choose or enter the width / height value directly in the “Aspect ratio”

Viewpoint only: The checkbox “Constrain to image” forces the frame to remain in the image area.   

Auto Perspective correction and manual cropping

Limit the auto correction to one of the directions; vertical or horizontal

This limitation in the directions makes it possible to preserve the automatism of the perspective correction.

In palette “Perspective”   
– ViewPoint: “Auto Correct” drop-down list
– PhotoLab: “Auto mode” – Choose the desired direction:
– Verticals & Horizontals (default) 
 – Verticals only 
 – Horizontals only

Limit auto correction to one of the directions Vertical or Horizontal 

Modulate the intensity of the correction

By default, the automatic correction is complete (100%), that is to say the directions are perfect. It is possible to reduce its effect with the slider “Intensity“.

In palette “Perspective”  
– Acting on the “Intensity” slider 

Modulate the intensity of the correction – All rights reserved – tous droits réservés.

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