From 0a778e14ee5d5ccbe1633faf21b96e60f96f5239 Mon Sep 17 00:00:00 2001 From: Jan-Piet Mens Date: Tue, 30 Jan 2024 16:53:27 +0100 Subject: [PATCH] Update README.md add Bertold's description about the file names. https://github.com/BertoldVdb/ZoneDetect/issues/43#issuecomment-1917285937 --- database/README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/database/README.md b/database/README.md index ba4572d..eb1d3ce 100644 --- a/database/README.md +++ b/database/README.md @@ -10,3 +10,5 @@ To use the builder, first install [shapelib](https://github.com/OSGeo/shapelib), This will create database files in `out` and `out_v1`, as well as a `db.zip` containing both directories. The files in the folder out\_v1/ use a newer format and use less space to encode the same information. + +The numbers in on the file names indicate the resolution. The `*21` file has a higher resolution for storing the borders, but it is larger. The `*16` file has a longitude resolution of 0.0055 degrees (~0.5km) and the `*21` file has 0.00017 degrees (~20m)