Working with htap model run output in web applications
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Working with HTAP Model Run Output in Web Applications. Data Access. netCDF. ftp. Web Coverage Service. IronPython Cubing Code. geoTiFF. netCDF. csv. Juelich HTAP Server. NEISGEI Server. DataFed Space-Time-Parameter Cube. SR1/sfc/ Volume mixing ratio Hourly Surface layer.

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Data access
Data Access

netCDF

ftp

Web Coverage

Service

IronPython

Cubing Code

geoTiFF

netCDF

csv

Juelich

HTAP

Server

NEISGEI

Server

DataFed

Space-Time-Parameter

Cube

SR1/sfc/

Volume mixing ratio

Hourly

Surface layer

Coordinate system adjustment

from lon: 0, 360

to lon: -180,180

Future?

Web Coverage

Service

Web Coverage

Service

Juelich

HTAP

Server

DataFed

Space-Time-Parameter

Cube


Web application framework

NEISGEI

Server

NEISGEI

Server

3rd party

Server

DataFed

Server

Juelich

Server

Web

Application

Web

Application

Data

Services

Data

Services

Data

Services

request

data

ftp

Web Application Framework

Web services are modular components that gain value when connected to form a chain of services, thereby creating a web application.

The services can be geographically distributed among servers. The services come together by way of a workflow, which constructs and manages a set of services chained together.

request /

control

WCS

WMS*

request

DataFed

Server

data

maps/

time series

Service

Flow Engine

request

WCS

data

request /

control

images/data

Analysis Services

*The WMS request from the web application is extended to include non-standard WMS elements that control the service flow.


Analysis services
Analysis Services

Grid Operator Service

takes two grids as input, conducts a mathematical operation using their values, and creates a single grid output


Web application mashup
Web Application (“Mashup”)

http://niceguy.wustl.edu/NEISGEI/HTAPComp/


Datafed browser
DataFed Browser

http://webapps.datafed.net/datafed.aspx?dataset_abbr=HTAP_MOZARTTGFDL-v2


Next steps
Next Steps

  • Access to other HTAP runs and variables (emim)

  • Temporal Aggregation

  • Other comparison methods/algorithms?

  • Other mashups?


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