Alain Matthes submitted an update to the

tkz-elements

package.

Version number: 3.10c
License type: lppl1.3

Summary description: A Lua library for drawing Euclidean geometry with TikZ or
tkz-euclide

Announcement text:
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- version 3.10c
- Most of the functions have been optimized, and some have been commented on.
- Object classes have been enhanced with new attributes. For a triangle, you can directly access the semiperimeter, area, inradius and circumradius. In some classes, the `exradius` attribute is replaced by `circumradius`.
- For rectangle, square and circle, `perimeter` and `area` have been added.
- For line, new methods appear: `is_parallel`, `is_orthogonal` and `is_equidistant`. The latter allows you to determine whether a point is equidistant from the two points defining the line. The `swap` argument is available for all triangle creations. The result is now a single triangle, the second is obtained with `swap`.
- It is now possible to define an isosceles triangle from a straight line (segment) with length `isosceles_s`. You can use `isosceles_a` or the old `isosceles` method if you're using an angle. I've added a new test for triangles: `is_acute`. The `two_angles` method is identical to `asa`.
- The line , circle and triangle classes are complemented by methods with complicated names: `c_l_pp`, `c_ll_p`, `c_c_pp` and `c_cc_p`. These methods allow you to determine, from a line or circle, one or more circles tangent to lines or circles and passing through points. So `c_l_pp` means to create a circle tangent to a line (l) and passing through two points (pp). The first `c` reminds us that we're looking for a circle, the second group between `_` and `_` indicates the tangent objects (c or l) and the last indicates the points through which the circle passes.
- In the documentation, I've added a section on important geometry theorems (Viviani, Reuschle, Thébault,Varignon, Wittenbauer, Soddy, Six circles ... to be completed ...). Examples of new methods and attributes have also been added.

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This package is located at
https://mirrors.ctan.org/macros/latex/contrib/tkz/tkz-elements

More information is at
https://www.ctan.org/pkg/tkz-elements

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Thanks for the upload.

For the CTAN Team
Erik Braun

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