add radiusScale param to orientation measurement

src/mol-math/geometry/primitives/axes3d.ts

 /**
- * Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
+ * Copyright (c) 2019-2021 mol* contributors, licensed under MIT, See LICENSE file for more info.
  *
  * @author Alexander Rose <alexander.rose@weirdbyte.de>
  */
@@ -48,7 +48,7 @@ namespace Axes3D {
         return out;
     }
 
-    const tmpTransformMat3 = Mat3.zero();
+    const tmpTransformMat3 = Mat3();
     /** Transform axes with a Mat4 */
     export function transform(out: Axes3D, a: Axes3D, m: Mat4): Axes3D {
         Vec3.transformMat4(out.origin, a.origin, m);
@@ -58,6 +58,13 @@ namespace Axes3D {
         Vec3.transformMat3(out.dirC, a.dirC, n);
         return out;
     }
+
+    export function scale(out: Axes3D, a: Axes3D, scale: number): Axes3D {
+        Vec3.scale(out.dirA, a.dirA, scale);
+        Vec3.scale(out.dirB, a.dirB, scale);
+        Vec3.scale(out.dirC, a.dirC, scale);
+        return out;
+    }
 }
 
 export { Axes3D };
\ No newline at end of file

src/mol-repr/shape/loci/orientation.ts

@@ -27,7 +27,8 @@ export interface OrientationData {
 
 const SharedParams = {
     color: PD.Color(ColorNames.orange),
-    scale: PD.Numeric(2, { min: 0.1, max: 10, step: 0.1 })
+    scaleFactor: PD.Numeric(1, { min: 0.1, max: 10, step: 0.1 }),
+    radiusScale: PD.Numeric(2, { min: 0.1, max: 10, step: 0.1 })
 };
 
 const AxesParams = {
@@ -59,8 +60,6 @@ export const OrientationParams = {
     ...BoxParams,
     ...EllipsoidParams,
     visuals: PD.MultiSelect(['box'], PD.objectToOptions(OrientationVisuals)),
-    color: PD.Color(ColorNames.orange),
-    scale: PD.Numeric(2, { min: 0.1, max: 5, step: 0.1 })
 };
 export type OrientationParams = typeof OrientationParams
 export type OrientationProps = PD.Values<OrientationParams>
@@ -75,9 +74,10 @@ function getAxesName(locis: StructureElement.Loci[]) {
 function buildAxesMesh(data: OrientationData, props: OrientationProps, mesh?: Mesh): Mesh {
     const state = MeshBuilder.createState(256, 128, mesh);
     const principalAxes = StructureElement.Loci.getPrincipalAxesMany(data.locis);
+    Axes3D.scale(principalAxes.momentsAxes, principalAxes.momentsAxes, props.scaleFactor);
 
     state.currentGroup = 0;
-    addAxes(state, principalAxes.momentsAxes, props.scale, 2, 20);
+    addAxes(state, principalAxes.momentsAxes, props.radiusScale, 2, 20);
     return MeshBuilder.getMesh(state);
 }
 
@@ -97,9 +97,10 @@ function getBoxName(locis: StructureElement.Loci[]) {
 function buildBoxMesh(data: OrientationData, props: OrientationProps, mesh?: Mesh): Mesh {
     const state = MeshBuilder.createState(256, 128, mesh);
     const principalAxes = StructureElement.Loci.getPrincipalAxesMany(data.locis);
+    Axes3D.scale(principalAxes.boxAxes, principalAxes.boxAxes, props.scaleFactor);
 
     state.currentGroup = 0;
-    addOrientedBox(state, principalAxes.boxAxes, props.scale, 2, 20);
+    addOrientedBox(state, principalAxes.boxAxes, props.radiusScale, 2, 20);
     return MeshBuilder.getMesh(state);
 }
 
@@ -123,7 +124,7 @@ function buildEllipsoidMesh(data: OrientationData, props: OrientationProps, mesh
     const axes = principalAxes.boxAxes;
     const { origin, dirA, dirB } = axes;
     const size = Axes3D.size(Vec3(), axes);
-    Vec3.scale(size, size, 0.5);
+    Vec3.scale(size, size, 0.5 * props.scaleFactor);
     const radiusScale = Vec3.create(size[2], size[1], size[0]);
 
     state.currentGroup = 0;

src/mol-repr/shape/loci/plane.ts

@@ -26,7 +26,7 @@ export interface PlaneData {
 const _PlaneParams = {
     ...Mesh.Params,
     color: PD.Color(ColorNames.orange),
-    scale: PD.Numeric(1, { min: 0.1, max: 10, step: 0.1 })
+    scaleFactor: PD.Numeric(1, { min: 0.1, max: 10, step: 0.1 }),
 };
 type _PlaneParams = typeof _PlaneParams
 
@@ -37,8 +37,6 @@ const PlaneVisuals = {
 export const PlaneParams = {
     ..._PlaneParams,
     visuals: PD.MultiSelect(['plane'], PD.objectToOptions(PlaneVisuals)),
-    color: PD.Color(ColorNames.orange),
-    scale: PD.Numeric(1, { min: 0.1, max: 5, step: 0.1 })
 };
 export type PlaneParams = typeof PlaneParams
 export type PlaneProps = PD.Values<PlaneParams>
@@ -61,7 +59,7 @@ function buildPlaneMesh(data: PlaneData, props: PlaneProps, mesh?: Mesh): Mesh {
     Vec3.add(tmpV, axes.origin, axes.dirC);
     Mat4.targetTo(tmpMat, tmpV, axes.origin, axes.dirB);
     Mat4.scale(tmpMat, tmpMat, Axes3D.size(tmpV, axes));
-    Mat4.scaleUniformly(tmpMat, tmpMat, props.scale);
+    Mat4.scaleUniformly(tmpMat, tmpMat, props.scaleFactor);
     Mat4.setTranslation(tmpMat, axes.origin);
 
     state.currentGroup = 0;