[Pywps-devel] [Pywps-commits] My First Pywps3.0 Process

[Jachym Cepicky]

Hi,



2009/1/14 Andres Herrera <t763rm3n at gmail.com>:
> Hi, i wrote these "dummy" script to convert gml vector data to raster png


does it work?

can I add your example process to doc/examples/processes directory?

Jachym


>
> How to :
>
> 1) Create a new pywps process into your :  PYWPS_PROCESSES directory
> 2) Copy and paste the code bellow  ( "remove: <code> tag") into a
> gml2png.py file
> 3) Define the process into your __init__.py
>
>     __all__=["gml2png"]
>
> 4) Thats All...
>
> + Test if gml2png is on ProcessOfferings
>
> http://localhost/cgi-bin/wps?service=wps&request=GetCapabilities&version=1.0.0
>
> + Execute the process
>
> http://localhost/cgi-bin/wps?version=1.0.0&service=wps&request=execute&identifier=gml2png&datainputs=[data=http://localhosttmp/wgs84_vallecauca_v.gml]&responsedocument=[pngresult=@asreference=true]
>
> + wait for your ProcessSucceeded response ..
>
> and check for the generated file  into your defined : outputPath  accessed
> over  outputUrl  ..
>
> <code>
>
> # GML2PNG
> # Author: Andres Herrera <t763rm3n gmail com>
> # For: PyWPS 3.0.0
>
> from pywps.Process.Process import WPSProcess
>
> import os
>
> class Process(WPSProcess):
>     def __init__(self):
>     WPSProcess.__init__(self,
>             identifier = "gml2png",
>             version = "0.1",
>             storeSupported = "true",
>             statusSupported = "true",
>             title="GML2PNG",
>             abstract="Converts a GML Vector File to Raster PNG File",
>         grassLocation = True)
>
>     self.dataIn = self.addComplexInput(identifier="data",
>             title="Input data",
>             formats=[{"mimeType":"text/xml"}])
>
>     self.dataOutPNG = self.addComplexOutput(identifier="pngresult",
>                 title="PNG Result",
>                 formats=[{"mimeType":"image/png"}])
>
>     def execute(self):
>
>         self.cmd("g.region -d")
>
>     out=self.cmd("v.in.ogr dsn=%s output=data" %\
>                 (self.getInputValue('data')))
>
>     self.cmd("g.region vect=data")
>
>     os.system("export GRASS_TRANSPARENT=true")
>     self.cmd("d.mon start=PNG",stdout=False)
>     self.cmd("d.vect data")
>     self.cmd("d.mon stop=PNG")
>
>     self.dataOutPNG.setValue("map.png")
>
>
> </code>
>
>
>
>
>
> --
> =====================================================
> Ing. Fabio Andres Herrera
> Gerente de Proyectos
> From Sky - UAV & RPV Systems
> Santiago de  Cali
> Web Site :http://fromsky.hrglobalideas.com
> e-mail:
> andres at hrglobalideas.com
> fandresherrera at hotmail.com
>
> _______________________________________________
> Pywps-commits mailing list
> Pywps-commits at wald.intevation.org
> http://lists.wald.intevation.org/mailman/listinfo/pywps-commits
>
>



-- 
Jachym Cepicky
e-mail: jachym.cepicky gmail com
URL: http://les-ejk.cz
GPG: http://les-ejk.cz/pgp/JachymCepicky.pgp