On 3/20/2013 3:46 AM, Carlo Di Michele wrote:
First of all congratulation Phil :-)))
my name is Carlo (a "super nerd" of Open Layers :-(((((( ) I have to
tell you that your project is amazing and it is exactly what I wish to
do. Currently I'm working inside a petroleum company as consultant and
(before my contracts end :-(( ) I had in my mind to introduce to my
bosses (for my contract renewal ;-) ) a web solution exactly like this:
BRAVO :-)))
I have a question: we have some raster maps here to overlay on standard
maps (google, satellite etc) and I would like to add also an opacity
control to see the overlap between maps. I suppose that I should have it
in a server in some way but I should tile and publish. Do you have any
suggestions on how to do it? Is it possible?
http://openlayers.org/dev/examples/layer-opacity.html
The demo appears to be broken at the moment, but look at the page source
for how it works.
-Steve
I wait with anxious your precious suggestions to the Peter's questions too.
Congratulation!!! Great Job :-)))))
Carlo
2013/3/19 Phil Scadden <[email protected] <mailto:[email protected]>>
I do this. I have my layer definitions and behaviours in an external
file, stored as json format. The application fetches the json, and
then processes it to create the map with all the layers and desired
behaviour. I have a web application for defining the layers and
behaviours desired and storing to a json file. (Warning - a
non-trivial amount of work). You can see a resulting map at
http://data.gns.cri.nz/pbe/ (free registration required). The menu
contents are also completely defined by a json file. If you look at
the "interactive maps", you will see from URL, that it just loads
different json files for each map. This gives me one set of code to
create multiple web mapping applications. The other advantage is
that each content and behaviour can have user groups associated with
it. This way different classes of users (eg internal versus external
versus paying clients) get to see different things from the same
config. The json is filtered by user before passing it to OL.
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