<html><head></head><body bgcolor="#FFFFFF"><div><div>Hi James,</div><div><br></div><div>I'd imagine that the effect you're after would be achieved by changing the Contrast Enhancement to one of the stretches, and loading done values. </div><div><br>If this is what you're after, there's some settings (Settings->Options Rendering Rasters) that sets default behaviour. </div><div><br></div><div>There was discussion on the -dev list about loading time penalties if you have very large raster and set the default to anything other than off. <br><br>-ramon.</div><div><br>On 19/06/2012, at 16:17, "James Stott" <<a href="mailto:James.Stott@npaconsult.co.uk">James.Stott@npaconsult.co.uk</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><meta content="text/html; charset=utf-8" http-equiv="Content-Type">
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</p><div class="WordSection1"><p class="MsoNormal">I sometimes display my Ordnance Survey rasters as single band gray to allow my data to show more clearly over the top of it.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">In the new master I cannot achieve the same effect. My raster goes solid grey.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Old settings:<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Render as: Single Band gray<o:p></o:p></p><p class="MsoNormal">Single band properties – gray band: Band 1<o:p></o:p></p><p class="MsoNormal">Single band properties – color map: grayscale<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">New settings:<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Render type: Singleband gray<o:p></o:p></p><p class="MsoNormal">Gray band: Palette<o:p></o:p></p><p class="MsoNormal">Contrast enhancement: No enhancement<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">How do I achieve the same effect as before? The raster displays fine in colour, just not in grayscale. I am guessing it’s down to the new raster properties in master.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p></div><p></p><p style=" margin-top:5px; margin-bottom: 10px">
<span style="font-family: 'Verdana','sans-serif'; color: #00227c; font-size: 10pt">
<strong>James Stott</strong>
<span style="font-size: 8pt">BSc (Hons) MSc</span> |
Senior Professional<br>
<span style="font-size: 8pt"><b style="font-weight: bold">Nicholas Pearson Associates </b> | 30 Brock Street | Bath | BA1 2LN<br>
<b>T:</b>
01225 445548
| <b>M:</b>
-<br>
<a href="http://www.npaconsult.co.uk/" style="font-family: 'Verdana','sans-serif'; color: #00227c; font-size: 8pt; text-decoration: none;"><strong>www.npaconsult.co.uk </strong></a> </span></span><br>
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