I would also suggest trying some projections instead of slices as well.  Both of those fields are created using the CIC_deposit interpolation method with just the star particles.  I could see a field like that being problematic when doing slices.<br>
<br>Britton<br><br><div class="gmail_quote">On Fri, Jun 10, 2011 at 4:10 PM, Cameron Hummels <span dir="ltr">&lt;<a href="mailto:chummels@astro.columbia.edu">chummels@astro.columbia.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">


  
    
    
  
  <div bgcolor="#ffffff" text="#000000">
    Try using the field StarMassMsun instead of star_density and see
    what it yields.  I&#39;ve had better luck with that field.<br>
    <br>
    Cameron<div><div></div><div class="h5"><br>
    <br>
    On 6/10/11 4:00 PM, Elizabeth Tasker wrote:
    </div></div><blockquote type="cite"><div><div></div><div class="h5">Hi,
      <br>
      <br>
      Slices of the star_density field are only showing a tiny patch of
      the area in the corner, rather than the whole region. My script
      looks like:
      <br>
      <br>
      pc = PlotCollection(pf, center=[17.,11.5, 16])
      <br>
      p = pc.add_slice(&quot;star_density&quot;, 2)
      <br>
      pc.set_width(10, &#39;kpc&#39;)
      <br>
      p.modify[&quot;grids&quot;]()
      <br>
      <br>
      Density comes out fine and the grids are drawn in but then only a
      few of them get stars.
      <br>
      <br>
      Elizabeth
      <br>
      </div></div><pre><fieldset></fieldset>
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