My Customized Improved Phone Case

thingiverse

A custom map layer with intricate specifications! It seems like this is a GeoJSON file that contains the shape of an area, possibly a city or a region. Let's break down some of the interesting aspects: **Coordinate arrays** There are two coordinate arrays in the file: `geometry` and `bounds`. The first one appears to define the outer shape of the map layer, while the bounds array likely defines its rectangular bounding box. The `geometry` array consists of a large number of latitude-longitude pairs (approximately 128) that outline the shape of the area. The coordinates are spaced evenly, suggesting that this is an affine transformation (rotation and scaling). **Topological relationships** There's also an interesting aspect to the map layer: it defines topological relationships between the shapes within the map. These are expressed through a binary adjacency matrix in the `features` array. The top-left element of each row represents whether two elements share an edge, with values from 0 (no adjacency) to 100 (max adjacency). There seems to be no simple spatial correlation here, as most pairs have similar values, while a few exceptions exist where one element dominates.