Thank you, Andrea!
Could you also help me understand the following.
I try to add a new function to geoserver. The function I implemented is called
properly, however the feature passed to the evaluate function seems to have
only 2 properties however the feature should have tens of properties.
I call my function from CSS like this:
label: [npIsL1Splitter()];
And the evalute() is coded as below:
public <T> T evaluate(Object object, Class<T> context) {
String isL1;
if (object instanceof SimpleFeature) {
isL1 = isL1Splitter((SimpleFeature)object);
}
else {
isL1 = object.getClass().getName();
}
return Converters.convert(isL1, context); // convert to requested format
}
private String isL1Splitter(SimpleFeature feature) {
return (Integer.toString(feature.getAttributeCount());
}
Is there any “lasy” loading of properties?
Regards,
Laszlo
> 2019. jan. 2. dátummal, 9:30 időpontban Andrea Aime
> <[email protected]> írta:
>
> Hi,
> in OGC Filter, and by extension, in SLD and CSS, a function is not a filter,
> it's an expression.
> The filters are the alphanumeric and spatial comparisons. like, between, and
> the logical combinators.
> In order to make that a filter you'll have to write:
>
> [equalTo(1, 1) = true]
>
> Cheers
> Andrea
>
> On Wed, Jan 2, 2019 at 7:23 AM László Németh <[email protected]
> <mailto:[email protected]>> wrote:
> Hi,
>
> Could anyone help me clarify how to compose a CSS filter with a function
> returning boolean?
> I thought this should be fine, but I get "Expecting Filter Parsing :
> equalTo(1,1)."
>
> [equalTo(1,1)] {
> :mark {
> stroke: #e52e2e;
> fill: #ff6c6c;
> }
> };
>
> Thank you,
> Laszlo
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Please make sure you read the following two resources before posting to this
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If you want to request a feature or an improvement, also see this:
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
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