Search "layering images" in users list for past posts. I kind of think if you have all layers in SVG, there is not much difference in size (on disk or in memory) if the layers are in one SVG file or several (if they are all 'on'). For efficiency, I thought about using Java2D layer to "annotate" SVG, for example drawing grids, dots etc which are transient artifacts in my case. But seems more work to deal with transforming both layers when resize windows/ zooming etc. I end up working in one screen coordinates from one SVG for everything.
P.S. I was new to swing and didn't realize JLayeredPane has no LayoutManager. I setPreferredSize() as usual and didn't see layered SVG show up. All the past posts of course says JLayeredPane works and not mention this swing side newbie problem. -amanda -----Original Message----- From: Chimera [mailto:[EMAIL PROTECTED] Sent: Monday, June 21, 2004 11:36 AM To: [EMAIL PROTECTED] Subject: Seperate Layers in SVG Opinion wanted: Which would be the best way to achieve the following in Batik? I want to load a graphic as a background 'layer', and then load other 'layers' above this background layer, being able to toggle them on/off in regards to visibility, as well as loading these layers from file menu actions. 1. Can Batik, with proper transparency settings in the source svg files, display multiple svg documents on top of one another? All of the documentation and examples are simplified for obvious reasons, so this doesn't seem to be touched on that I can see. 2. Is it preferrable to composite a single SVG file in the application and do tracking of layers as different collection objects (array, vector, etc)? Thus, if one overlay is toggled 'off' visibility-wise, iterate through the array of objects, make them invisible, repaint the screen. Are there speed concerns between this approach and the (if possible) multiple document/multiple layer approach? --------------------------------------------------------------------- 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]