[OpenLayers-Users] polyline example

[Luke Mackenzie]

Thanks Michael - much appreciated. Does anyone have a link to the LineAnimator example?

On 6 Aug 2011, at 15:15, Michael wrote:

> I believe that Andreas has updated a function that would help in this regard called "tween", I think
> 
> Unaware of that, I built a rather complex animation tool.  You can see a temporary example at http://track.pacificcup.org/track.php?race=transpac
> 
> Select a boat from the left of the screen and then use the vcr controls at the top to animate.
> 
> It works by maintaining an array of points that parallels the points in the linestring.  At selected intervals, I add a point from the array to the linestring.  Then I clear the linestring at the end.
> 
> To do fancier stuff, like go in reverse, I added a time attribute to each point, so I can count backwards through the vertices (points) of the linestring till I get to one that is older than the new cutoff time, deleting the newer ones.
> 
> The code is, well, complex, because the page is doing a bunch of other things.  I keep meaning to extract an example, and perhaps I should!  Meantime, it IS possible.
> 
> Michael
> 
> On 8/6/2011 4:12 AM, Luke Mackenzie wrote:
>> 
>> Hi,
>> 
>> This page contains a broken ink to an animated polyine example (Line Animator):
>> 
>> http://trac.osgeo.org/openlayers/wiki/UserRecipes#Other
>> 
>> Does anyone have a copy of this example? I would like to know if ti would be possible to create an effect like this using openlayers:
>> 
>> http://econym.org.uk/gmap/example_cartrip2.htm (click start).
>> 
>> I actually don't need the map panning or to follow driving directions as my use case requires a generic world map with the polylines linking major cities. A closer example would be animated flight paths.
>> 
>> I would be extremely grateful if anyone could provide the missing example or offer any advice on how to achieve this. I've been playing with the cloudmade leaflet maps here:
>> 
>> http://jsfiddle.net/codecowboy/XkShV/22/ ( I want to animate the red line - I will need to dynamically add lines to the map based on lat/longs and distance covered by users)
>> 
>> Many thanks,
>> 
>> Luke Mackenzie
>> 
>> 
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