{
const selectedModel = {
parts: [chr15pat20to40mb[0], chr15mat20to40mb[0]],
};
let chromatinScene = chs.initScene();
const viewConfig = {
coloring: "constant",
binSizeScale: 0.01,
mark: "box",
makeLinks: false,
};
chromatinScene = chs.addModelToScene(chromatinScene, selectedModel, viewConfig);
const [renderer, canvas] = chs.display(chromatinScene, { alwaysRedraw: false});
invalidation.then(() => renderer.endDrawing());
return canvas;
}