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[FEATURE] New expression functions for $currentfeature (returns curre…
…nt feature) and 'attribute' (returns value stored in specified field within a feature)
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<h3>$currentfeature function</h3> | ||
Returns the current feature being evaluated. This can be used with the 'attribute' function | ||
to evaluate attribute values from the current feature. | ||
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<h4>Syntax</h4> | ||
<pre>$currentfeature</pre> | ||
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<h4>Arguments</h4> | ||
None | ||
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<h4>Example</h4> | ||
<pre>attribute( $currentfeature, 'name' ) → returns value stored in 'name' attribute for the current feature</pre> | ||
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Original file line number | Diff line number | Diff line change |
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<h3>attribute function</h3> | ||
Returns the value of a specified attribute from a feature. | ||
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<h4>Syntax</h4> | ||
<pre>attribute( feature, attribute_name )</pre> | ||
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<h4>Arguments</h4> | ||
feature → a feature<br /> | ||
attribute_name → name of attribute to be returned | ||
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<h4>Example</h4> | ||
<pre>attribute( $currentfeature, 'name' ) → returns value stored in 'name' attribute for the current feature</pre> | ||
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