It has a single license for four applications:
* A version integrated in DxO PhotoLab (and DxO OpticsPro)
* An independent version (standalone)
* An external module (plug-in) for Photoshop, Photoshop Elements and Lightroom
* Modul for Nik Collection; Perspective efex

* In the integrated version in PhotoLab, the tools are available via two palettes.
– “Geometry” palette: Horizon, cropping and distortion settings (basic in PhotoLab)
– “ViewPoint” palette: The other settings specific to ViewPoint
Only this version benefits from parametric processing without leaving the raw workflow.
Which allows it to resume corrections after registration.
* The ViewPoint independent version opens JPEG or TIFF images (8 and 16 bits).

* How to Develop a Photo and Correct Perspective with ViewPoint, Plug-In for Adobe:
Photoshop and Photoshop Elements
ViewPoint’s Opening Sequence in Photoshop (for a raw):
– Photoshop: Open a raw file (via Camera Raw)
– Camera Raw: Developing the photo and returning to Photoshop
– Photoshop: Calling the ViewPoint module and automatic transmission of an RGB image
– ViewPoint: Image correction and return to Photoshop

Opening sequence of ViewPoint plugin for Lightroom:
– Lightroom: Open and develop a raw file
– Lightroom: Call the ViewPoint module and transmit an RGB file (JPEG or TIFF (8 and 16 bits)
Prefer 16bit TIFF export without compression
– ViewPoint: Image correction
– ViewPoint: Save RGB file and return to Lightroom

ViewPoint and Nik Perspective Efex
The Nik Collection suite by DxO integrates the Perspective Efex module, usable in independent version (standalone) or as a plug-in for Photoshop or Lightroom.
This module is directly derived from ViewPoint : the functionalities and the interface are identical. Consequently, this tutorial also applies to Perspective Efex.
Manipulate the sliders
There are several ways to manipulate the sliders.
– Enter a numerical value directly on the keyboard
– Click on the cursor, then move it with the mouse wheel in predetermined steps
– Move the cursor and hold it down
PhotoLab only: Clicking and dragging the cursor allows you to finetune the values
– Double-clicking the cursor brings it back to its default value.
Resetting corrections:
– ViewPoint: Click on the “U-turn” arrow at the top right of each of the palettes
– Photolab: Double-click on the cursor, or the cancel icon for the perspective palette
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