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Implement Catalogue into Heron (via GXP FindLayers, CSW) #400

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
This issue complements issue 324, which allows using the GXP "AddLayers" 
related widgets for adding new Layers via preconfigured or user-supplied 
WMS/WFS/TMS Capabilities URLs.

This issue encapsulates the work related to integrating and enhancing the GXP 
"FindLayers", which is based on CSW (Catalogue Service for the Web). In this 
scenario a user can issue search strings to search Metadata stores via CSW for 
data and services like WMS/WFS/WMTS. 

GXP has an existing implementation but very much based on a local interaction 
with a well-defined Metadata server. See example 
http://gxp.opengeo.org/master/examples/catalogue.html (do + button top left, 
the Find Layers and search for e.g. "water"). But the example, interacting with 
pycsw does not render valid WMS references. This also touches on the main issue 
interacting with a CSW: the protocol payload is too broadly defined, allowing 
many different formats and encodings...

We'll try at least and provide enhancements in the user and protocol 
interactions. We'll try to backport these to GXP via GitHub and an issue there: 
https://github.com/boundlessgeo/gxp/issues/235

Original issue reported on code.google.com by jus...@gmail.com on 14 Aug 2014 at 10:47

GoogleCodeExporter commented 9 years ago 
We have a first basic version that allows adding WMS and WFS layers via a 
Catalog CSW search. See
example: http://lib.heron-mc.org/heron/latest/examples/catalognl (select: Add 
Layers and then Find Layers in menu upper left). We go in maintenance mode for 
now

Original comment by jus...@gmail.com on 29 Oct 2014 at 3:19