Andrea,
Many thanks for confirming my observations. Your explanation of the inner
workings certainly indicates it is font-specific. If I understand it correctly
in case of the TTFMarkFactory, the first scaling transformation (so the largest
side of the bbox becomes size 1) introduces the seemingly random adjustment
factor?
Would changing the current behaviour introduce any unforeseen/unwanted effects?
From a cartographic design point of view, it would be great to have
these two symbolizers have the same, predictable output size.
Kind regards,
Edward
Date: Wed, 1 Aug 2012 19:26:51 +0200
Subject: Re: [Geoserver-users] Character size difference TextSymbolizer vs
PointSymbolizer w/ TTFMarkFactory
From: [email protected]
To: [email protected]
CC: [email protected]
On Wed, Aug 1, 2012 at 2:49 PM, Edward Mac Gillavry <[email protected]>
wrote:
Hi y'all,
Just noticed there is a size difference of the character "o" (i.e. Arial#111)
rendered either with a TextSymbolizer or with a PointSymbolizer leveraging the
TTFMarkFactory. Two snippets to show what I mean are pasted below. Also tried
with the character "O" (i.e. Arial#79) which showed less difference, but still
noticable! Could anyone explain the difference so I can sensibly change the
<Size> of either the TextSymbolizer or PointSymbolizer? Or did I just stumble
across a bug? Many thanks in advance!
The two code paths are completely different from each other and they are not
meant to produce the same size
to start with, I wrote them and I would not be able to predict an adjustment
factor myself, as it's most likely font
specific.
In one case we just turn the symbol into a vector representation, scale it so
that the largest side of the containing
bbox is large 1, and then scale it up to the requested size, in the other case
we just ask for a font whose point
size is the requested one
Cheers
Andrea
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