message: fixed physical size theme
diff: * @author Alexander Rose <alexander.rose@weirdbyte.de>
  */
  -import { StructureElement, Unit, StructureProperties, Link } from 'mol-model/structure';
  +import { StructureElement, Unit, Link, ElementIndex } from 'mol-model/structure';
  import { Location } from 'mol-model/location';
  import { SizeThemeProps, SizeTheme } from '../size';
  +import { VdwRadius } from 'mol-model/structure/model/properties/atomic';
  const DefaultSize = 1
  const DefaultFactor = 1
  -export function getPhysicalRadius(unit: Unit): StructureElement.Property<number> {
  +export function getPhysicalRadius(unit: Unit, element: ElementIndex): number {
  if (Unit.isAtomic(unit)) {
  - return StructureProperties.atom.vdw_radius
  + return VdwRadius(unit.model.atomicHierarchy.atoms.type_symbol.value(element))
  } else if (Unit.isSpheres(unit)) {
  - return StructureProperties.coarse.sphere_radius
  + return unit.model.coarseConformation.spheres.radius[element]
  } else {
  - return () => 0
  + return 0
  }
  }
  @@ -27,23 +28,17 @@ export function getPhysicalRadius(unit: Unit): StructureElement.Property<number>
  */
  export function PhysicalSizeTheme(props: SizeThemeProps): SizeTheme {
  const factor = props.factor || DefaultFactor
  - const l = StructureElement.create()
  function sizeFn(location: Location): number {
  + let size: number
  if (StructureElement.isLocation(location)) {
  - if (Unit.isAtomic(location.unit)) {
  - const radius = getPhysicalRadius(location.unit)
  - return factor * radius(location)
  - }
  + size = getPhysicalRadius(location.unit, location.element)
  } else if (Link.isLocation(location)) {
  - if (Unit.isAtomic(location.aUnit)) {
  - const radius = getPhysicalRadius(location.aUnit)
  - l.unit = location.aUnit
  - l.element = location.aUnit.elements[location.aIndex]
  - return factor * radius(l)
  - }
  + size = getPhysicalRadius(location.aUnit, location.aUnit.elements[location.aIndex])
  + } else {
  + size = DefaultSize
  }
  - return DefaultSize
  + return factor * size
  }
  return {
  