[worldKit-dev] Rounding problem in worldkit flash app?

[Mikel Maron]

Hi Stefan,

Try "<accuplot>true</accuplot>" in config.xml

This is an undocumented option, which changes the way that worldKit plots annotations. 
(Normally, zoom is accomplished by scaling a layer containing all annotations, and this ahs some limits of precision. With accuplot, each annotation is positioned individually.)

I think accuplot should probably be the default behavior. The only reason there might be to keep the current method is if there's some performance hit.

Mikel

----- Original Message ----
From: Stefan F. Keller <sfkeller at gmail.com>
To: worldkit-dev at lists.brainoff.com
Sent: Monday, May 1, 2006 1:53:52 PM
Subject: [worldKit-dev] Rounding problem in worldkit flash app?

I got a rounding problem in worldkit flash app: 
  
 When being zoomed in at about factor 256 I  could not position item 'test 1' nearer to 'test 2'. Any long-value between 8.81677 and 8.8556 had no influence to the position of the displayed map symbol of 'test 2' - until a certain value where test 1 snapped to test 2 like in a grid.  
  
 Here is a snipped of rss.xml:
 ...
 <item>
   <title>test 1</title><link> http://www.gis.hsr.ch</link>
   <description>test at position 1</description> 
   <geo:lat>47.22350</geo:lat> 
   <geo:long>8.81677</geo:long> 
 </item>
 <item>
   <title>test 2</title><link> http://www.gis.hsr.ch</link>
   <description>test at position 2</description> 
   <geo:lat>47.22350</geo:lat> 
   <geo:long>8.8556</geo:long> 
 </item>
  
 I could influence this behaviour by changing object-tag values in the HTML which are WIDTH="500" HEIGHT="250".  
  
 This probably has to do with rounding numbers in flash code? 
  
 Regards -- Stefan 
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