On 4/10/2010 11:28 PM, mithunk wrote:
Thanks Georg,
I am new to FOP. Can you please help me with how to calculate the position
by giving a block id.
I modified my XSL with a block id (for a field), now dont know how to
calculate the position.
METHOD 1:
Use fop to produce the intermediate "area tree" output from your XSL-FO.
See the documentation for details on that.
Once you have the area tree, use xpath to find the block. IIRC the id
will be in the 'prod-id' attribute of the block(s) generated. If it's
broken across a page, column, etc there may be more than one element
generated.
Once you've found the element(s) you should be able to work out the
position from the positioning attributes them and their parent elements.
It's possible that the new intermediate format ("IF") is better than the
area tree for this, but I haven't worked with it much so all I can
suggest is generating it, looking at it, and seeing if it's useful. I
have the feeling the new IF doesn't include element IDs, but I may be
misremembering.
--
Craig Ringer
Tech-related writing at http://soapyfrogs.blogspot.com/
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