Class: BaseTemplate

function myShapeCallback(feature, shape) {
if(feature.getId() === 'Houston') shape.setFillStyle({ 'color': 'red' });
};

import {BaseTemplate} from '@int/geotoolkit/map/features/templates/BaseTemplate';
import {Text} from '@int/geotoolkit/scene/shapes/Text';
import {TextStyle} from '@int/geotoolkit/attributes/TextStyle';
const template = new BaseTemplate({
...,
'textshape': new Text({
'textstyle': new TextStyle('blue'), // style for annotation
'height': 12
}),
'textSizeInfo': {   // change annotation size dynamically
'field': 'pop2015', // base size on population field
'minDataValue': 500, // population varies from 500 to 3000
'maxDataValue': 3000,
'minSize': 10, // annotation size varies from 10px (for features with pop2015 <= 500) to 15px (pop2015 >= 3000)
'maxSize': 15 // e.g. if pop2015 field value is 2000, it's annotation size is 13px (linear interpolation)
}
});