[mapserver-users] Mapserver, WMS-Time - Default Configure

[JM]

Hello List,

 

i have quite a lot historic raster maps which i wanna publish via mapserver
wms. The raster maps are widely spread over space and time, but over the
hole temporal horizont they could composite to a quite nice map. Thanks to
the good work of the mapserver community i could already serve this data via
WMS-T, which is based on postgis time-/tileindex, and also as a default
layer (a composite map, which consists of the best-preserved maps from
different timeperiods for each spatial extent) who is based on VRT. 

 

Now i would like to known, if it possible to group the time layer and the
default layer (vrt) in a manner, that if group as a layer is queried without
a timestamp the default layer (VRT) is used and when queried with a temporal
extent the timelayer is used. In my WMS Capabilities this layer group should
show up as single layer which support time request. My question is know if
this is possible with mapserver and if yes how i have to configure my
mapfile? I hope i clearly expressed myself.


Kind regards,


JM   

 

 

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[mapserver-users] VRT vs. TileIndex

[JM]

Hello List,

 

i would like to know if some people have experience with VRT and Tileindex.
In my case, i will provide provide big amounts of tiff data which are
aggregated by layers. I am now strugglin with the decision between VRT and
Tileindex. From the administration point, i prefere VRT. The possibility to
add overviews via gdaladdo is great. But on the other hand performance is a
big question for us. If for example the performance of tileindex would be
much better than that of VRT, probably i would choose the Tileindex solution
with scale dependency. So what is your experience with both possibilites?

 

Kind regards,


JM

 

 

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