Function Heatmap

docs/app/js/sanddance-app.js:131506–131508

* Render a heatmap image for input raster grid data. * @constructor * @param {object} params - The parameters for this operator. * @param {function(object): *} [params.field] - The field with raster grid * data. If unspecified, the tuple itself is interpreted as a raster grid. * @param {strin

(params9)

 * @param {string} [params.as='image'] - The output field in which to store
 *   the generated bitmap canvas images (default 'image').
 */ function Heatmap(params9) {
    (0, _vegaDataflow.Transform).call(this, null, params9);
}
Heatmap.Definition = {
    "type": "heatmap",
    "metadata": {