Blog

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Localized GeoDataFrame UTM reprojection

Programmatically identify UTM zones during meter-projection conversion

Testing patterns with PySpark

Unit testing multistep transformation pipelines

Identifying representative core of diverging trace set

Heuristic methods to extract a representative core segment from a corridor trace set

Dynamic bytestring-encoded arrays

Using construct-based declarative structure with variable-lengthed arrays

Hierarchical clustering of trip traces

Dynamic resolution of S2 cells to represent trip paths

Convert GTFS to Vector Tiles

Compress delivery size of GTFS route shapes with tippecanoe

Map vs FlatMap

Simple introduction to functional patterns with Map and FlatMap

Geoprocessing of vector tile data

Centroid-based extrusion of a complex geometric reference layer