Would it be possible to add an option to filter out tiles that have only 0 or 255 values in it? I have been doing this with list range extractor, but I can only able to find tiles that have all 0 or 255 values, not ones that have all 0 or 255 values. It would be great to have this happen within the webmap tiler saving other steps in the chain.
Archived
Add options to webmap tiler
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+5- Contributor
import fme
import fmeobjects
# Template Function interface:
# When using this function, make sure its name is set as the value of
# the 'Class or Function to Process Features' transformer parameter
def processFeature(feature):
pass
# Template Class Interface:
# When using this class, make sure its name is set as the value of
# the 'Class or Function to Process Features' transformer parameter
class FeatureProcessor(object):
def __init__(self):
pass
def input(self,feature):
self.val = sum([int(i) for i in feature.getAttribute('_label').split(',')[:3]])
if self.val != 0 and self.val != 765:
self.pyoutput(feature)
def close(self):
pass
This script is used with the RasterToPolygonCoercer
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