<div dir="ltr"><div>Hi,</div><div>I'm trying to reproduce an script published in Rbloggers [1] with no success so far. Simpliying it do not improve the result. No png seems to be drawn. The provided raster histogram works.</div>
<div><pre style="white-space:pre-wrap;word-wrap:break-word;color:rgb(68,68,68);font-size:14px;line-height:18px;text-align:justify"><span style="color:rgb(102,102,102);font-style:italic">##layer=raster</span><br>
<span style="color:rgb(102,102,102);font-style:italic">##Tools=group</span><br><span style="color:rgb(102,102,102);font-style:italic">##dens_or_hist=string</span><br><span style="color:rgb(102,102,102);font-style:italic">##showplots</span><br>
<span style="color:rgb(0,51,153);font-weight:bold">library</span><span style="color:rgb(0,153,0)">(</span><span style="color:blue">'rpanel'</span><span style="color:rgb(0,153,0)">)</span><br><span style="color:rgb(0,51,153);font-weight:bold">library</span><span style="color:rgb(0,153,0)">(</span><span style="color:blue">'rasterVis'</span><span style="color:rgb(0,153,0)">)</span><br>
<span style="color:rgb(0,51,153);font-weight:bold">str</span> <- dens_or_hist<br><span style="color:rgb(211,211,211);font-weight:bold">if</span> <span style="color:rgb(0,153,0)">(</span><span style="color:rgb(0,51,153);font-weight:bold">str</span> !=<span style="color:blue">'dens'</span> & <span style="color:rgb(0,51,153);font-weight:bold">str</span> != <span style="color:blue">'hist'</span><span style="color:rgb(0,153,0)">)</span><span style="color:rgb(0,153,0)">{</span><br>
rp.messagebox<span style="color:rgb(0,153,0)">(</span><span style="color:blue">'you must enter "dens" or "hist"'</span><span style="color:rgb(51,153,51)">,</span> <span style="color:rgb(0,51,153);font-weight:bold">title</span> = <span style="color:blue">'oops!'</span><span style="color:rgb(0,153,0)">)</span><br>
<span style="color:rgb(0,153,0)">}</span> <span style="color:rgb(211,211,211);font-weight:bold">else</span> <span style="color:rgb(0,153,0)">{</span><br> im <- <span style="color:rgb(0,51,153);font-weight:bold">stack</span><span style="color:rgb(0,153,0)">(</span>layer<span style="color:rgb(0,153,0)">)</span><br>
<span style="color:rgb(211,211,211);font-weight:bold">if</span> <span style="color:rgb(0,153,0)">(</span><span style="color:rgb(0,51,153);font-weight:bold">str</span> == <span style="color:blue">'dens'</span><span style="color:rgb(0,153,0)">)</span> <span style="color:rgb(0,153,0)">{</span><br>
<span style="color:rgb(0,51,153);font-weight:bold">densityplot</span><span style="color:rgb(0,153,0)">(</span>im<span style="color:rgb(0,153,0)">)</span><br> <span style="color:rgb(0,153,0)">}</span> <span style="color:rgb(211,211,211);font-weight:bold">else</span> <span style="color:rgb(211,211,211);font-weight:bold">if</span> <span style="color:rgb(0,153,0)">(</span><span style="color:rgb(0,51,153);font-weight:bold">str</span> == <span style="color:blue">'hist'</span><span style="color:rgb(0,153,0)">)</span> <span style="color:rgb(0,153,0)">{</span><br>
<span style="color:rgb(0,51,153);font-weight:bold">histogram</span><span style="color:rgb(0,153,0)">(</span>im<span style="color:rgb(0,153,0)">)</span><br> <span style="color:rgb(0,153,0)">}</span><br><span style="color:rgb(0,153,0)">}</span> </pre>
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<span style="color:rgb(102,102,102);font-style:italic">##layer=raster</span><br><span style="color:rgb(102,102,102);font-style:italic">##showplots</span><br></pre></div><div><pre style="white-space:pre-wrap;word-wrap:break-word;color:rgb(68,68,68);font-size:14px;line-height:18px;text-align:justify">
<span style="color:rgb(0,51,153);font-weight:bold">library</span><span style="color:rgb(0,153,0)">(</span><span style="color:blue">'rasterVis'</span><span style="color:rgb(0,153,0)">)</span></pre><pre style="white-space:pre-wrap;word-wrap:break-word;color:rgb(68,68,68);font-size:14px;line-height:18px;text-align:justify">
<span style="color:rgb(0,51,153);font-weight:bold">densityplot</span><span style="color:rgb(0,153,0)">(</span>layer<span style="color:rgb(0,153,0)">)</span></pre></div>Qgis Master b7d7076<div><p style="margin:0px;font-size:11px;font-family:'Lucida Grande'">
<b>Software</b> OS X 10.8.4 (12E55)</p><p style="margin:0px;font-size:11px;font-family:'Lucida Grande'"></p><p style="margin:0px">R version 2.15.2 (2012-10-26)</p><p style="margin:0px">Platform: i386-apple-darwin9.8.0/i386 (32-bit)</p>
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