DOI-USGS / usgscsm

This repository stores USGS Community Sensor Model (CSM) camera models
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Replaced secant root with Newton's method in SAR #302

Closed jessemapel closed 4 years ago

jessemapel commented 4 years ago

The slantRangeToGroundRange function finds the zero of a polynomial using a generic secant method. It's faster and doesn't require bounding the root if we instead use Newton's method.