mattijn/topojson

topoquantization on top of prequantization gives error

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mattijn commented

Currently in master, the following gives an error:

import topojson
import geopandas

data = geopandas.read_file(geopandas.datasets.get_path("naturalearth_lowres"))
tp = topojson.Topology(data, prequantize=True)
tp.topoquantize(True).to_alt()

/Users/mattijnvanhoek/topojson/topojson/ops.py:503: RuntimeWarning: divide by zero encountered in double_scalars
  kx = 1 / ((quant_factor - 1) / (x1 - x0))
/Users/mattijnvanhoek/topojson/topojson/ops.py:504: RuntimeWarning: divide by zero encountered in double_scalars
  ky = 1 / ((quant_factor - 1) / (y1 - y0))

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