Interface DrapeCapturePayload

A finished hidden-map grab, waiting for its main-context upload.

interface DrapeCapturePayload {
    atlasFromMercator: Float64Array;
    canvas: HTMLCanvasElement;
    seq: number;
}

Properties

atlasFromMercator: Float64Array

Mercator→[0,1] UV matrix for the captured rect (f64).

The hidden map's canvas (preserveDrawingBuffer — readable across tasks).

seq: number

Monotonic capture sequence — stale submissions are dropped.