From: Frédéric Perrin <frederic.perrin@att.com>
Date: Thu, 30 Jan 2020 11:14:46 +0000 (+0000)
Subject: Download tiles in chunks
X-Git-Tag: v19.2.fp6~1^2~2
X-Git-Url: http://gitweb.fperrin.net/?a=commitdiff_plain;h=860ae36b24e22ff49b23cc5e3b51e9bd5520712b;hp=860ae36b24e22ff49b23cc5e3b51e9bd5520712b;p=GpsPrune.git

Download tiles in chunks

Reading byte-per-byte makes the download CPU-limited, while that change
makes it closer to bandwidth-limited
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