CTAN update: asymptote

CTAN Announcements ctan-ann at ctan.org
Wed Jul 8 11:29:15 CEST 2020

John Bowman submitted an update to the



Version number: 2.66
License type: lgpl3

Summary description: 2D and 3D TeX-Aware Vector Graphics Language

Announcement text:

A bug in the Bezier patch bounds was fixed. Vertex and material data are 
copied from the CPU to GPU only when necessary. The default Headlamp
light was brightened. WebGL output is centered in the viewport, extending 
to the canvas boundary; the precision of planar Bezier surfaces was
increased to avoid artifacts. Fullscreen mode has been fixed; the new 
default maxviewport=(0,0) specifies the screen dimensions. Camera
adjustment was fixed.  Problems with Xasy and interactive signals under 
MSWindows were fixed.  A background color for both 2D and 3D images
can be specified with currentlight.background. Offscreen rendering on 
headless machines has been reinstated; while the setting offscreen has
been removed, one can again configure asy for either onscreen or offscreen 
rendering. Clipping was removed from the slopefield module.
Functions mapArray, mapTemplate, real abs2(pair), and real abs2(triple) 
were implemented. The new Ghostscript transparency model requires
Ghostscript 9.52 or later. The detection of TeX errors was improved.  An array 
segmentation fault was fixed; array dimensions are checked.  Flattened
monochrome tensor patches with interior internal control points are now 
drawn as filled cyclic paths. PDF offsets were fixed, along with the
auto-reload feature for Acroread. SVG support was improved; 2D images can 
now be output in HTML format using inline SVG code, to support the
Asymptote Web Application, a new cloud service at 


This package is located at 

More information is at


   Thanks for the upload.

     For the CTAN Team
    Erik Braun


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