Help with page sequences to solve memroy problem
Hi, I am generating a PDF that consists of a header and a data sequence, each having a Category name and one or more Items, each with a result set table: Category name Item(+) Result set table I'm now running out of memory because the result sets are too large. My understanding is that the solution is use multiple page sequences, so that rendering will be done after each sequence is processed and memory freed up. Is there a way I can define a page sequence so that each Category and its group of Items will be processed as a single page? Currently all of my Categories and their items are being processed as a single huge sequence. fo:page-sequence master-reference=data ... fo:flow flow-name=data-region-body fo:block xsl:call-template name=Category select=Category/ /fo:block fo:block xsl:call-template name=Item select=Category/Item/ /fo:block /fo:flow /fo:page-sequence The processing involves an XSL transform of an XML file with more or less the following structure: Report Category name=category_name Item Row /Row Row ... /Item Item ... /Category Category ... /Report Many thanks for any assistance. Marvin Wolfthal - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help with page sequences to solve memroy problem
On Jul 12, 2008, at 21:16, Marvin Wolfthal wrote: Hi I am generating a PDF that consists of a header and a data sequence, each having a Category name and one or more Items, each with a result set table: Category name Item(+) Result set table I'm now running out of memory because the result sets are too large. My understanding is that the solution is use multiple page sequences, so that rendering will be done after each sequence is processed and memory freed up. Is there a way I can define a page sequence so that each Category and its group of Items will be processed as a single page? Currently all of my Categories and their items are being processed as a single huge sequence. fo:page-sequence master-reference=data ... fo:flow flow-name=data-region-body fo:block xsl:call-template name=Category select=Category/ Just FYI: note that the 'select' attribute does nothing here. Either you 'call' templates by name, or you 'apply' matching templates to a set of nodes... The processing involves an XSL transform of an XML file with more or less the following structure: snip / Very roughly: xsl:template match=Report root xmlns=... layout-master-set.../layout-master-set xsl:apply-templates select=Category / /root /xsl:template xsl:template match=Category page-sequence master-reference=data flow flow-name=data-region-body blockxsl:value-of select=@name //block blockxsl:apply-templates select=Item //block /flow /page-sequence /xsl:template xsl:template match=Item table ... etc. HTH! Andreas - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Barcode fonts not displaying correctly when generating PCL
Hi Guys Before I start looking into the Barcode4J implementation - some warning output was transparent to me when I initially reported this problem. I notice now when generating the PCL - I additionally get these errors: 13/07/2008 10:46:06 org.apache.fop.fonts.truetype.TTFFile determineAscDesc WARNING: Ascender and descender together are larger than the em box. This could lead to a wrong baseline placement in Apache FOP. 13/07/2008 10:46:06 org.apache.fop.fonts.truetype.TTFFile determineAscDesc WARNING: Ascender and descender together are larger than the em box. This could lead to a wrong baseline placement in Apache FOP. 13/07/2008 10:46:09 org.apache.fop.events.LoggingEventListener processEvent INFO: Adjusting end-indent based on overconstrained geometry rules for fo:table. (See position 30:92) What do these mean? Thanks Martin. -Original Message- From: Jeremias Maerki [mailto:[EMAIL PROTECTED] Sent: Friday, 11 July 2008 11:47 PM To: fop-users@xmlgraphics.apache.org Subject: Re: Barcode fonts not displaying correctly when generating PCL Try GhostPCL as an alternative (to generate a TIFF from PCL): http://www.artifex.com/downloads/ There's a Windows binary available in PCL Downloader 2006: http://www.cyrtech.de/progs/dl2006/dl2006.htm On 11.07.2008 15:24:42 Martin Edge wrote: OK - Just tried the test by changing the source and target DPI to 300. The filesize of course doubled, but unfortunately using my trial version of RedTitan EscapeE (I hope the viewer is behaving as well) shows the barcode fonts still weirdly rendered. I'm guessing I'm going to have to learn the Barcode4J thing. Thanks for the help Martin. snip/ Jeremias Maerki - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Barcode fonts not displaying correctly when generating PCL
Just to concur with David – now I’m playing with the Barcode4J extension – with PCL the DPI does need to be greater. It looked “reasonable” at 144 dpi, but increasing to 300 didn’t have much additional impact on the file size (72dpi - 144dpi near on doubled the filesize) Thanks Martin. From: David Gerdt [mailto:[EMAIL PROTECTED] Sent: Friday, 11 July 2008 10:45 PM To: fop-users@xmlgraphics.apache.org Subject: Re: Barcode fonts not displaying correctly when generating PCL Just in case it could be this simple... I've only played with barcodes and I used Barcode4J, not fonts, but I had similar trouble with how barcodes were rendered when I first started playing with FOP because I didn't specify the target resolution for the PCL renderer. When I set it to 300 my barcodes came out right. Martin Edge [EMAIL PROTECTED] 7/11/2008 5:26 AM Hey Guys, Just wanted to check I’m doing everything correctly. I am having some problems displaying barcodes in PCL. http://www.asmorphic.net.au/images/barcodes.jpg is an example of what I’m seeing. As I edit the intermediate file, I have performed two tests: - Generate AT using application/pdf then run –atin –pdf etc – and the barcodes are displayed properly and scannable. - Generate AT using application/vnd…..pcl etc – and the barcodes appear very different and cannot be scanned. I figure given the PDF renders the fonts partially, the fonts are being properly loaded into the FOP engine. My fop.xconf portions for PDF and PCL has: fonts directoryc:\pdfbin\fonts\/directory /fonts .. and given you can see in the image the font partially works its definitely loading OK .. Both fonts are True Type Fonts. The FO content which displays the barcodes: fo:block-container reference-orientation=90 inline-progression-dimension=680pt fo:block font-family=3 of 9 Barcode font-size=18pt background-color=white text-align=start*1234567890MLQIS*/fo:block /fo:block-container /fo:static-content And fo:block text-align=start margin-top=115pt margin-bottom=8pt fo:inline font-family=Barcode 4-state font-size=12pt width=65mm130101221102120022002230301003013/fo:inline fo:inline font-family=Helvetica font-size=6pt min-height=16pt border-top-width=-20mm001/01/fo:inline /fo:block Is there any thing I’m obviously doing wrong here – or is there a potential problem? If as per the research below I have to create an image it’s possible I guess – but a bit of a pain .. Jeremias – I found some of your emails from 2002/2003 – I hope it’s possible now! http://osdir.com/ml/krysalis.devel/2003-12/msg00010.html http://osdir.com/ml/text.xml.fop.devel/2002-11/msg00231.html ;) Thanks Martin - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
