Injection

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Injection is a reaction in which a hole in a regular spaceship stream is filled partially or fully by adding a new spaceship or signal of the same type without affecting the existing spaceships in the stream. Depending on the period of the stream, different mechanisms can be used. For adding a spaceship to an existing multi-lane convoy, see inserter.

For large period glider streams, simple reactions such as LWSS-LWSS bounce and LWSS-glider bounce suffice. If Herschel technology is used, a large number of edge shooters and transparent conduits are known. Simple examples include the NW31 Herschel-to-glider converter and the Fx119 inserter.

Shown below is an injector found by Dave Buckingham that can fill a hole in a p15 glider stream:

x = 23, y = 21, rule = B3/S23 2bobo$3b2o$3bo17bo$20bo$20b3o3$10bo$11b2o$10b2o2$b2o$obo2b2o$2bob2o$6b o4$5b2o$6b2o$5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THEME 6 GRID THUMBLAUNCH THUMBSIZE 2 ZOOM 8 AUTOSTART LOOP 96 GPS 8 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here

For very low-period glider streams, a GIG is a much more efficient insertion method, in the sense that fewer synchronized signals are needed. However, it has been shown that colliding gliders can complete an insertion even into a single-glider gap in a period-14 stream.

The BFx59H injector is an injector that injects a Herschel onto an existing track.

External links