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- """
- OGR Buffer process
- Author: Jachym Cepicky (jachym@les-ejk.cz)
- """
- import os
- import sys
- os.environ["GISBASE"] = "/usr/lib/grass64"
- gbase = os.getenv("GISBASE")
- pypath = os.path.join(gbase,'etc','gui','wxpython','gui_modules')
- sys.path.append(pypath)
- os.environ["PYTHONPATH"] = "/usr/local/grass-7.0.svn/etc/python"
- pypath = os.path.join(gbase,'etc','python')
- sys.path.append(pypath)
- cpath = os.getenv("PATH")
- path = cpath + ":" + gbase + "/bin" + ":" + gbase + "/scripts"
- os.environ["PATH"]=path
- lpath = os.getenv("LD_LIBRARY_PATH")
- if lpath!=None:
- libpath = lpath + ":" + gbase + "/lib"
- else:
- libpath = gbase + "/lib"
- os.environ["LD_LIBRARY_PATH"]=libpath
- #os.environ["GIS_LOCK"]="$$"
- os.environ["GISRC"]="/opt/grass-lite/grassrc"
- os.system("export LOCATION_NAME=spearfish60")
- from grass.script import core as grass
- from pywps.Process import WPSProcess
- from osgeo import ogr
- class Process(WPSProcess):
- def __init__(self):
- ##
- # Process initialization
- WPSProcess.__init__(self,
- identifier = "ogrbuffer",
- title="Geotiff to PNG conversion",
- version = "1.0",
- grassLocation = True,
- storeSupported = True,
- statusSupported = True)
- self.outputImage=self.addComplexOutput(identifier="output",title="output image",formats=[{'mimeType':'image/png'}])
- def execute(self):
- #r.external links an external raster file into a GRASS map layer
- self.cmd("g.gisenv set=LOCATION_NAME=spearfish60")
- self.cmd(['r.external', 'input=/home/rashad/rr.tif', 'output=inputImage','-o' ])
- self.cmd(['g.region',"rast=inputImage"])
- self.cmd(["r.out.png","input=inputImage","output=./tmp.png"])
- self.outputImage.setValue("./tmp.png")
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