Message-ID: <1319163973245-3924100.post@n4.nabble.com>
Date: 2011-10-21T02:26:13Z
From: rayzlor
Subject: geom_tile rendering problems
Hi, I'm trying to overlay a geographical map with a heat map by following the
directions on
http://pages.stern.nyu.edu/~achinco/programming_examples/Example__PlotGeographicDensity.html.
However, the smaller my zoom level (the farther I zoom out), the more white
horizontal lines I have interspersed in the tiled data after calling
geom_tile. Is there any way around this? I tried setting the image to
panel.background, but found it impossible to scale back to the original heat
map matrix.
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