Setting a SimpleMarkerSymbol size does not work when using a path. To see this go to this sample: ArcGIS API for JavaScript Sandbox and change the citiesRenderer to:
<SPAN class="keyword token">var</SPAN> citiesRenderer <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">SimpleRenderer</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">{</SPAN>
symbol<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">SimpleMarkerSymbol</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">{</SPAN>
size<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"10pt"</SPAN><SPAN class="punctuation token">,</SPAN>
style<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">'path'</SPAN><SPAN class="punctuation token">,</SPAN>
path<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">'M2,32.578V91l29.719-29.774L61.437,91V32.578L31.719,3L2,32.578z'</SPAN><SPAN class="punctuation token">,</SPAN>
color<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"#FF4000"</SPAN><SPAN class="punctuation token">,</SPAN>
outline<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">{</SPAN> <SPAN class="comment token">// autocasts as new SimpleLineSymbol()</SPAN>
color<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">[</SPAN><SPAN class="number token">255</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="number token">64</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="number token">0.4</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="comment token">// autocasts as new Color()</SPAN>
width<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">7</SPAN>
<SPAN class="punctuation token">}</SPAN>
<SPAN class="punctuation token">}</SPAN><SPAN class="punctuation token">)</SPAN>
<SPAN class="punctuation token">}</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN><SPAN class="line-numbers-rows"><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN></SPAN>The symbol stays the same size no matter if you put size: 10, size:"100px", size: "2pt" etc. So is there any way to change the size of the path symbol?
Thanks in advance