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<div class="moz-cite-prefix">I guess your data are treated as text
in stead of numbers. You can check this on the Fields tab of the
Layer Properties dialogue.<br>
<br>
Sake<br>
<br>
Op 31-8-2012 23:19, Roy Marsh schreef:<br>
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cite="mid:CABkMR69nt8d0QqpjKy8f68Sqb6HvZ-QX40z1kUWpTqQWUficCg@mail.gmail.com"
type="cite">
<div>IN QGIS 1.8 I want to create a simple choropleth to show 5
bands for a range of numeric values</div>
<div>I open Properties /Style for the vector layer and choose
Legend Type 'Continuous Colour'</div>
<div>This should allow me to group values in a specified field
into meaningful bands</div>
<div>Unfortunately, the 'classification field' box is greyed out
in the dialogue box, so no existing fields are selectable</div>
<div>Strangely, if a new field is created, this becomes one of the
selectable fields in the 'Classification field' box</div>
<div> </div>
<div>Surely the system should not behave like this?</div>
<div> </div>
<div>Roy</div>
<div> </div>
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