triangulations/scripts/README.md

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## Scripts to filter out unique minimal triangulaitons
These scripts dig through directories to find triangulations, take the
minimal ones, remove duplicates, and then export them, sorted by PL-type.
### Prerequisites
- Polymake
- PostgreSQL
### How to use:
Create the database tables
```
CREATE TABLE triangulations (signature varchar, f_vector varchar, vertices integer, path varchar);
CREATE TABLE minimal_triangulations (signature varchar, f_vector varchar, vertices integer, path varchar);
```
Populate the triangulations table
```
find ~ -name *.poly -not -path "*comb_iso_classes*" -not -path "*flat*" | parallel --progress ./triangulation_bookkeeping.pl {}
```
Populate the minimal triangulations (by vertices) table by finding the
minimum triangulation for each signature
```
INSERT INTO minimal_triangulations SELECT DISTINCT ON (signature) * FROM triangulations ORDER BY signature, vertices
```
Remove combinatorially isomorphic triangulations by running `triangulation_bookkeeping_minimal.pl`, and output sorted by type using `triangulation_bookkeeping_output.pl`