Time series persistence

[SamHiatt]

Hi!

I wish I could help you answer your question... but actually I'm interested
in hearing about what you are doing with timeseries in mapserver.  

You mentioned that you are using MapBuilder on the front end.  I'm gonna
take a guess... are you using MapBuilder to communicate with Mapserver via
WMS?  So you have your mapfile set up with a tileindex layer, wms_time
metadata, etc?

Sam




Marcos Sánchez Provencio wrote:
> 
> It is all in one slice, with a time dimension. I could replicate the
> layer with a shifted view. Maybe it is too much work for the db server
> just to get a pretty effect (but I'll try it anyway :-)
> 
> Thank you for the idea
> 
> PS Is it possible to have an animated gif as a marker?
> 
> El lun, 15-10-2007 a las 08:59 -0500, Fawcett, David escribió:
>> If you used one layer for each time slice, and you set the filter for
>> that layer dynamically, you might be able to do something like this.  
>> 
>> For example, you could have three layers, 'current', 'older', and 'old'. 
>> If you passed in the filter expression for 'current', you would set it to
>> the latest data.  You would do the same with the other two layers,
>> setting them to the older data sets.  
>> 
>> You could then symbolize the older and old layers using transparency or
>> color (fading from color to grey?) to make them appear as though they are
>> fading away.  
>> 
>> David.
>> 
>> -----Original Message-----
>> From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On
>> Behalf Of Marcos Sánchez Provencio
>> Sent: Monday, October 15, 2007 8:25 AM
>> To: MAPSERVER-USERS at LISTS.UMN.EDU
>> Subject: [UMN_MAPSERVER-USERS] Time series persistence
>> 
>> 
>> Hello there.
>> 
>> Is it possible to emulate persistence in a time series? I am showing rays
>> hourly, it would be nice to let the older rays fade away slowly (like a
>> radar ping).
>> 
>> I am using mapbuilder as the client.
>> 
>> Thank you in advance for the ideas.
> 
> 

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