Define coordinate based on other coordinate in Tikz

Question

Can I define a coordinate relative to an already defined coordinate? If I define a coordinate (A) with

\coordinate (A) at (2,0);

Is there a way to define a coordinate (B) that is 2cm to the left and one 1cm to the top of (A)? I am looking for something like:

\coordinate (B) at (A+(2cm,1cm));

Thank you!

percusse · Answer 1 · 2017-01-19 07:38:14Z

up vote 5 down vote

with calc library, you can add coordinates

\usetikzlibrary{calc} % in the preamble
...
\coordinate (B) at ($(A)+(2cm,1cm)$);

or with positioning library

\usetikzlibrary{positioning} % in the preamble
...
\coordinate[above right=1cm and 2cm of A] (B);

answered 5 hours ago

percusse

117k9207410

3

or with a shift: \coordinate (B) at ([shift={(2cm,1cm)}]A); – Ignasi 4 hours ago

1

or \path (A) ++(2cm,1cm) coordinate (B);. – Paul Gaborit 4 hours ago

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