Well, it seems the effect is transient, depending on how the window is sized! When I displayed the image again, there was no such artifact, but after resizing the window, I was able to reproduce the effect, which I captured here with DigitalColor Meter focused on the effect:
http://homepage.mac.com/nellisks/yahoo/groups/svg-developers/antialiasingeffect.png So, I guess that it's a non-problem. Thank you for taking an interest in the problem. Ken Nellis --- In [email protected], "ddailey" <ddai...@...> wrote: > > Hi Kenneth, > > Using Opera, Safari, Firefox and IE+ASV in Windows, I don't see anything that > I would not be willing to attribute to retinal effects caused by the close > superimposition of red and blue (two mutually unfocusable colors according to > one of my undergrad intro psych texts -- I don't recall the neurological > explanation, but something to do with habituation of cones and > over-excitation of bipolar cells being dampened by ganglion cells): namely > the hint of a magenta afterimage just south of the border of the colors and > the hint of a cyan afterimage just to the north, together with some waivering > bands of horizontal movement I would attribute to saccadic movement and > fixation. What I see is similar to the bitmaps at > http://en.wikipedia.org/wiki/Flag_of_Haiti > > My Haitian sister says the colors ought to migrate a bit more (red towards > magenta and blue toward purple)??? > > I don't know if official national designations of flag colors come in sRGB > space or if they are registered with some hypothetical UN color space, or > Pantone or whatever. Chris Lilley probably knows. > > But the antialiasing phenomenon you describe is not something I can see in my > browsers. Maybe a screen shot would be worth sending? Or, there are lots of > Mac users here who might be able to replicate what you're seeing. The SVG > code you've written looks appropriate to me. > > good luck > David > > ----- Original Message ----- > From: Kenneth N > To: [email protected] > Sent: Wednesday, December 29, 2010 6:40 PM > Subject: [svg-developers] Re: anti-aliasing fill > > > > Please see: > http://homepage.mac.com/nellisks/svg/flags/flag.haiti.svg > The problem exhibits itself with the following browsers, among possibly > others: > . Mac/Opera 10.63 > . Mac/Safari 4.1.3 > . Mac/Firefox 3.6.12 > . Mac/OmniWeb 5.10.3 > Maybe it's a Mac thing? Haven't tried with non-Mac browsers. > -Ken Nellis > > --- In [email protected], Holger Jeromin <mailgmane@> wrote: > > > > Kenneth Nellis schrieb am 28.12.2010 22:26: > > > In SVG renderings, where, for example, two non-rotated rectangles of > > > solid but different colors abut, I see a single line of pixels at the > > > border that I attribute, perhaps erroneously, to anti-aliasing. I > > > wish to know what I can do to eliminate this artifact. I tried <svg > > > color-rendering="optimizeSpeed">, but this had no effect in my two > > > browsers (Mac/Safari 4.1.3 and Mac/Opera 10.63). Any ideas? > > > > Please provide an example. > > > > -- > > regards > > Holger > > > > > > > > [Non-text portions of this message have been removed] > ------------------------------------ ----- To unsubscribe send a message to: [email protected] -or- visit http://groups.yahoo.com/group/svg-developers and click "edit my membership" ----Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/svg-developers/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
