Question
Extract Geometry Traits
+21- Contributor
I have a bunch of features that have Geometry Traits attached as a result of an upstream process I have carried out to find out if they are valid. I now want to manipulate those traits and I'm pretty confident that I need to use the GeometryPropertyExtractor. But no matter what I enter into the parameter 'Traits to Extract' I cannot get anything to be extracted. If I inspect the features I can see the traits but I'm not clear how to reference them so I can get at them... does anyone have any experinece with traits that they can share? Thanks!
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Hi Dave,
could you perhaps post the output of one of these features as it appears in a Logger?
David
+59- Safer
As far as I know, the GeometryPropertyExtractor is the way to go here. I've just tried creating/extracting traits and it seems to work OK.
Some thoughts:
- You don't have a Geometry XQuery set do you?
- Is this an older workspace open in a newer FME? Can you replace the transformers to see if that helps?
- What does it look like saved as a mapping file? Mine is below. Does your's look significantly different?
Weak, I know. I think the best thing is to send the support team a copy of the data and see what we can find.
DEFAULT_MACRO GeometryPropertyExtractor_PARAMETER
INCLUDE [ \\
if { {No} == {Yes} } { \\
puts {MACRO GeometryPropertyExtractor_ACTION ACTION EXTRACT_TRAITS_PREFIXED}; \\
} else { \\
puts {MACRO GeometryPropertyExtractor_ACTION ACTION EXTRACT_TRAITS}; \\
}; \\
if { {EXTRACT_TRAITS} == {EXTRACT_GEOMNAME} } { \\
} else { \\
puts {MACRO GeometryPropertyExtractor_PARAMETER PARAMETER _count}; \\
}; \\
]
FACTORY_DEF * GQueryFactory \\
FACTORY_NAME GeometryPropertyExtractor_GQuery \\
INPUT FEATURE_TYPE GeometryPropertySetter_SET \\
$(GeometryPropertyExtractor_ACTION) \\
$(GeometryPropertyExtractor_PARAMETER) \\
OUTPUT UNTOUCHED FEATURE_TYPE GeometryPropertyExtractor_UNTOUCHED \\
OUTPUT RESULT FEATURE_TYPE GeometryPropertyExtractor_EXTRACTED
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