message: workaround for 1 pixel texture issues
  always use at least 2x2 textures
diff: @@ -9,6 +9,7 @@ import { Vec3 } from '../../mol-math/linear-algebra';
  import { BoundaryHelper } from '../../mol-math/geometry/boundary-helper';
  export function calculateTextureInfo (n: number, itemSize: number) {
  + n = Math.max(n, 2); // observed issues with 1 pixel textures
  const sqN = Math.sqrt(n);
  let width = Math.ceil(sqN);
  width = width + (itemSize - (width % itemSize)) % itemSize;
  