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Add Tree/TreeView and allow Builder to ingest them

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jan 2023-10-20 23:14:47 -07:00
commit 9a7a5583ed
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README.md
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@ -101,7 +101,7 @@ References are accomplished by listing the target's name, not its `Pattern` obje
## Glossary
- `Library`: A collection of named cells. OASIS or GDS "library" or file.
- "tree": Any Library which has only one topcell.
- `Tree`: Any `{name: pattern}` mapping which has only one topcell.
- `Pattern`: A collection of geometry, text labels, and reference to other patterns.
OASIS or GDS "Cell", DXF "Block".
- `Ref`: A reference to another pattern. GDS "AREF/SREF", OASIS "Placement".
@ -142,6 +142,11 @@ my_pattern.ref(new_name, ...) # instantiate the cell
# In practice, you may do lots of
my_pattern.ref(lib << make_tree(...), ...)
# With a `Builder` and `place()`/`plug()` the `lib <<` portion can be implicit:
my_builder = Builder(library=lib, ...)
...
my_builder.place(make_tree(...))
```
We can also use this shorthand to quickly add and reference a single flat (as yet un-named) pattern: