On Jan 10, 11:23 pm, Ben Appleton <[email protected]> wrote:
> Berry,
>
> I have a simplistic, unobfuscated poly renderer
> here:http://appleton-static.appspot.com/static/small_poly_test.html
> This includes a snippet to render VML. Creating VML is an art. I suggest
> you cut-and-paste working code and then carefully modify it to your needs,
> verifying that it still works after each small change. You'll want a
> VML-capable browser.
>
> Good luck!
> Ben
Thanks Ben,
I have made some changes to fix a bug in the "Examiner". Apparently
attempting to display a non-existent "shape" property kills the
browser. Thanks to Ozcur for isolating it.
I am trying to avoid the use of "insertAdjacentHtml" with a series of
"createElement" statements instead. I have looked at the way both the
API & "excanvas" use VML. It looks like each "shape" can be either
"filled" or "stroked" but not both. Another identical "shape" is
required to do the other half. To be safe, I am applying
"style.behavior" to every VML DOM element. I am also adding the "v"
name space if it is missing. I am using simple "coordorigin" &
"coordsize" values to avoid confusion. I am ready to throw in the
towel on VML support figuring developers ought to unite to kill off
Internet Explorer.
I will keep an unobfuscated copy of the source code at:
http://www.polyarc.us/cluster.js
in case anyone else feels like playing with it. The relevant lines of
code are 1000-1070 today. Their position might change a bit in the
future. I will look into it again tomorrow once my disgust with
Microsoft has subsided. I have wasted the entire week on their
pathetic browser.
Thanks very much for your help.
Berry
P.S.
I added fast point reduction for points along the interpolation line.
For states like Colorado with a lot of straight borders, it makes a
big difference. The rendering speed is essentially the same but the
size of each cached path element is reduced. It also helps
reliability for large tiles (1024x1024).
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