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Upade montlake import, close #100 #101

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Merged
Robinlovelace merged 1 commit into from
Sep 16, 2025
Merged

Upade montlake import, close #100 #101

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14 changes: 2 additions & 12 deletions vignettes/montlake.Rmd
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Original file line number Diff line number Diff line change
Expand Up @@ -43,18 +43,8 @@ library(abstr)
Now lets start with fetching the polygon area for Montlake. To be consistent with whats on A/B street currently, we can grab the official polygon from the github repo. Following this we can clean the data and convert it to WGS84.

```{r}
montlake_poly_url = "https://raw.githubusercontent.com/a-b-street/abstreet/master/importer/config/us/seattle/montlake.poly"

raw_boundary_vec = readr::read_lines(montlake_poly_url)
boundary_matrix = raw_boundary_vec[(raw_boundary_vec != "boundary") & (raw_boundary_vec != "1") & (raw_boundary_vec != "END")] %>%
stringr::str_trim() %>%
tibble::as_tibble() %>%
dplyr::mutate(y_boundary = as.numeric(lapply(stringr::str_split(value, " "), `[[`, 1)),
x_boundary = as.numeric(lapply(stringr::str_split(value, " "), `[[`, 2))) %>%
dplyr::select(-value) %>%
as.matrix()
boundary_sf_poly = sf::st_sf(geometry = sf::st_sfc(sf::st_polygon(list(boundary_matrix)), crs = 4326))

montlake_poly_url = "https://github.com/a-b-street/abstreet/raw/refs/heads/main/importer/config/us/seattle/montlake.geojson"
boundary_sf_poly = sf::read_sf(montlake_poly_url)
```

### Parsing zones
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