That would be a killer example for the docs Hal - are you in position to
share your code?
Jody Garnett
On Tue, Nov 25, 2014 at 2:22 PM, Hal Mirsky <hmir...@aseg.com> wrote:
> Andy,
> I derived a class from DirectLayer and implemented the draw method which
> worked great.
>
> Some of the legend text was dynamic (e.g. low/high values for each color).
> A little interesting to figure out the size of rectangles I needed to draw
> for each legend item. Here's a snippet:
>
> private Font titlef = new Font("Ariel", Font.BOLD, 12);
> private Font itemf = new Font("Ariel", Font.BOLD, 10);
>
> Rectangle2D titleLabelRect = titlef.getStringBounds(title, new
> FontRenderContext(null, RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT,
> RenderingHints.VALUE_FRACTIONALMETRICS_DEFAULT));
>
> Rectangle2D itemLabelRect = itemf.getStringBounds(label, new
> FontRenderContext(null, RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT,
> RenderingHints.VALUE_FRACTIONALMETRICS_DEFAULT));
>
> // now get the height of the title rectangle and height to use for each
> legend item:
>
> th = (int) titleLabelRect.getHeight();
> ih = (int) itemLabelRect.getHeight(); // height of site label. Also used
> as icon size
> ...
>
> Hope this helps,
> Hal
> -----Original Message-----
> From: Andy Turner [mailto:a.g.d.tur...@leeds.ac.uk]
> Sent: Tuesday, November 25, 2014 11:36 AM
> To: geotools-gt2-users@lists.sourceforge.net
> Subject: [Geotools-gt2-users] Choropleth map legend
>
> Hi,
>
> I would like to have a map legend for the choropleth maps I am generating,
> please will you help?
>
> To style the main part of the map I have followed an example using
> ColorBrewer and FilterFactory2. I have a Classifier by calling evaluate on
> a
> Function from the FilterFactory2.
>
> I've have searched and found others asking about this [1], but no answers.
>
> [1]
>
> http://gis.stackexchange.com/questions/22962/create-a-color-scale-legend-for
> -choropleth-map-using-geotools-or-other-open-sou
>
> Thanks,
>
> Andy
> http://www.geog.leeds.ac.uk/people/a.turner/index.html
>
>
>
>
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