English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

In the years since the introduction of SKETCHPAD an increasing number of graphics systems for line drawing have been developed. Software packages are now available to do such things as picture definition, rotation and translation of picture data, and production of animated movies and microfilm. Automatic windowing, three-dimensional figures, depth cueing by intensity, and even stereo line drawing are now feasible and in some cases, available in hardware.

An algorithm for producing half-tone computer graphics presentations with shadows and movable light sources