The most common and most likely answer to this crossword clue is the 7 letter word IMAGING
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More clues leading to the result IMAGING
Buddy explains!

The straight part
We know that "getting the picture" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case getting the picture = imaging.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does IMAGING mean?
IMAGING verb- To represent by an image or symbol; to portray.
- To reflect, mirror.
- To create an image of.
- To create a complete backup copy of a file system or other entity.
- The technique or practice of creating images of otherwise invisible aspects of an object, especially of body parts.
- The use of mental images to alter a person's perceptions or behaviors.