Thank you David,
It was the missing bracket - doh!
In reality im not really wanting to just join two strings, I was using that as
a simple example to see if the CQL syntax was correct. I really need to be able
to calculate the EC part of that example. Which is a simple calculation but I'm
not sure how to represent the result (easily) in hexadecimal notation.
I believe that the font expects the required character to be specified as
0x00?? Where the ?? is the number that I'm calculating (in decimal)
Does CQL have a function to convert decimal to hex?
From: David Winslow [mailto:dwins...@opengeo.org]
Sent: 15 May 2012 1:55 PM
To: Chris Haste
Cc: geoserver-users@lists.sourceforge.net
Subject: Re: [Geoserver-users] Rookie Question
On Tue, May 15, 2012 at 8:02 AM, Chris Haste
<cha...@airdata.co.uk<mailto:cha...@airdata.co.uk>> wrote:
Hi All,
I'm trying to get to grips with CQL...
Could someone please tell me why this doesn't work;
mark: symbol('ttf://ESRI Weather${strConcat("#0x00","EC"}');
If this is exactly what you have in your style then it is simply an invalid CQL
expression: you need to close the parentheses before you close your ${} block:
mark: symbol('ttf://ESRI Weather${strConcat("#0x00","EC")}');
By the way, strConcat is rarely, if ever, necessary in dynamic symbolizers.
Instead of ${strConcat(prefix, suffix)} you can use the more concise
${prefix}${suffix}. So I would write your example as:
mark: symbol('ttf://ESRI Weather${"#0x00"}${"EC"}');
There's one less level of nesting this way, and I think it's easier to count
the braces.
--
David Winslow
OpenGeo - http://opengeo.org/
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