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Posted to batik-users@xmlgraphics.apache.org by "G. Wade Johnson" <wa...@abbnm.com> on 2003/06/23 16:04:39 UTC

Strange loading time effect

I've had an odd effect show up in the last week about loading SVG files
using Batik 1.5b5 on Windows XP.

Sometime in the last week, load times for any SVG file under Batik on
my system seems to be at least 3x as long as before. I have verified
that this effect does not appear to be present on a couple of other
systems. As far as I know, the only change I've made to my system
relating to Java/Batik has been to replace Tomcat 4.1.18 with
Tomcat 4.1.24.

I'm running J2 SDK 1.4.1_01, and JRE 1.4.1_02.

I've seen the effect both in my Applet and in Squiggle.

After digging through my code looking for mistakes (and then
verifying that Squiggle shows the same symptoms), I've come to the
conclusion that I have some kind of system configuration problem.

Does anyone have any ideas about what I can check or change to fix
this issue?

G. Wade

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Re: Strange loading time effect - Solved

Posted by "G. Wade Johnson" <wa...@abbnm.com>.
I finally found the strange loading effect. I figured I would write this
up on the off chance someone else had this problem.

I was literally seeing a 5x slowdown on SVG images I had been loading
for weeks. The problem turned out to be a true type font I had installed
on my system. (Windows XP)

Here's what happened.

  1. I installed a TTF on my system to get characters for a logo.
  2. I converted the TTF file to SVG using batik-ttf2svg.
  3. I stripped down the output to include it in an SVG file that I
     would load at the beginning of my program.
  4. I left the name of the font-family the same.

After that, whenever I loaded the file with the SVG font in it all
text on subsequent screens was slow the first time the screen loaded.

I solved the problem by uninstalling the TTF from my system.

G. Wade

"G. Wade Johnson" wrote:
> 
> I've had an odd effect show up in the last week about loading SVG files
> using Batik 1.5b5 on Windows XP.
> 
> Sometime in the last week, load times for any SVG file under Batik on
> my system seems to be at least 3x as long as before. I have verified
> that this effect does not appear to be present on a couple of other
> systems. As far as I know, the only change I've made to my system
> relating to Java/Batik has been to replace Tomcat 4.1.18 with
> Tomcat 4.1.24.
> 
> I'm running J2 SDK 1.4.1_01, and JRE 1.4.1_02.
> 
> I've seen the effect both in my Applet and in Squiggle.
> 
> After digging through my code looking for mistakes (and then
> verifying that Squiggle shows the same symptoms), I've come to the
> conclusion that I have some kind of system configuration problem.
> 
> Does anyone have any ideas about what I can check or change to fix
> this issue?
> 
> G. Wade
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: batik-users-unsubscribe@xml.apache.org
> For additional commands, e-mail: batik-users-help@xml.apache.org

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