You could draw many tori: http://gmaps-samples-v3.googlecode.com/svn/trunk/poly/pentagon.html
On Fri, May 6, 2011 at 2:29 PM, Rich Christiansen <ricosu...@gmail.com>wrote: > Hello, all! > > I'm working on an app that uses circles emanating from points of interest > to show "coverage" for the areas. When two coverage circles overlap, their > opacities combine to occlude the underlying map even more. For example, > let's say I'm using an opacity of 0.25 to draw red circles. If they overlap > a fair amount (such as in a Venn Diagram), then eventually there's an area > at which these circles all intersect that ends up with an opacity of what > seems to be approaching 1.0 (I'm left with opaque red at this > intersection). This is sub-optimal for me, since I need the map to remain > visible beneath the circles. > > Is there any way to draw polygons, rectangles, and circles without this > alpha-combining functionality? What I'm attempting to do is to draw all > shapes without borders so that when they are drawn, the resulting shape has > an opacity of 0.25 *throughout* instead of varying opacity. > > Interestingly enough, it seems that this is what v2 seemed to do by default > - I've taken a screenshot of a an example of what I'm trying to do. Note, > this is in v2, but my target is v3 - > http://img23.imageshack.us/i/screenshot20110504at655.png/ . Notice how > the intersection of the two red circles is not darker than the > non-intersected portions. > > How can this be done in v3? My best guess is to draw the shapes with an > opacity of 1.0 and then change the opacity of the entire overlay to be 0.25, > thereby yielding the result I'm looking for. However, I don't know how to > do this... Also, could there be a better way? > > Thanks so much, everyone! :) > -Rich > > -- > You received this message because you are subscribed to the Google Groups > "Google Maps JavaScript API v3" group. > To post to this group, send email to > google-maps-js-api-v3@googlegroups.com. > To unsubscribe from this group, send email to > google-maps-js-api-v3+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-maps-js-api-v3?hl=en. > -- http://twitter.com/broady -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.
