diff --git a/docs/source/conf.py b/docs/source/conf.py
index c6481e1..59d4b20 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -22,7 +22,7 @@
 author = 'LinkunGao'
 
 # The full version, including alpha/beta/rc tags
-release = 'v1.15.21'
+release = 'v1.15.22'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/docs/source/release/release.md b/docs/source/release/release.md
index c61bbea..2904ab6 100644
--- a/docs/source/release/release.md
+++ b/docs/source/release/release.md
@@ -1912,3 +1912,8 @@ throttle(callback: (event: MouseEvent) => void, wait: number): (event: MouseEven
     const urls = ["icon0/url", "icon1/url"];
     nrrdTools.setPencilIconUrls(urls);
     ```
+
+# Release v1.15.22
+
+- add a getSphereData in nrrdTools draw function
+  - for this function we can get the sphere raduis and the sphere origin in mm.
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 7d1238f..3be26d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "copper3d",
-  "version": "1.15.21",
+  "version": "1.15.22",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "copper3d",
-      "version": "1.15.21",
+      "version": "1.15.22",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/dat.gui": "^0.7.9",
diff --git a/package.json b/package.json
index 374a962..35639bc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "copper3d",
   "description": "A 3d visualisation package base on threejs provides multiple scenes and Nrrd image load funtion.",
-  "version": "1.15.21",
+  "version": "1.15.22",
   "main": "dist/bundle.umd.js",
   "moudle": "dist/bundle.esm.js",
   "types": "dist/types/index.d.ts",
diff --git a/src/Utils/nrrd_tool.ts b/src/Utils/nrrd_tool.ts
index cf83da4..e7065ea 100644
--- a/src/Utils/nrrd_tool.ts
+++ b/src/Utils/nrrd_tool.ts
@@ -159,6 +159,10 @@ export class nrrd_tools {
       height: number,
       clearAllFlag: boolean
     ) => {},
+    getSphere:(
+      sphereOrigin:number[],
+      sphereRadius:number
+    )=>{},
     defaultPaintCursor: switchPencilIcon("dot"),
     drawStartPos: new THREE.Vector2(1, 1),
   };
@@ -1432,6 +1436,7 @@ export class nrrd_tools {
 
     if (!!opts) {
       this.nrrd_states.getMask = opts?.getMaskData as any;
+      this.nrrd_states.getSphere = opts?.getSphereData as any;
     }
 
     this.sceneIn = sceneIn;
@@ -1850,7 +1855,9 @@ export class nrrd_tools {
               this.drawSphereOnEachViews(i, "z");
             }
           }
-
+          
+          !!this.nrrd_states.getSphere && this.nrrd_states.getSphere(this.nrrd_states.sphereOrigin.z, this.nrrd_states.sphereRadius)
+          
           this.drawingCanvas.removeEventListener(
             "wheel",
             this.drawingPrameters.handleSphereWheel,
@@ -2204,10 +2211,6 @@ export class nrrd_tools {
         1,
         Math.min(this.nrrd_states.sphereRadius, 50)
       );
-      console.log(
-        this.nrrd_states.sphereOrigin[this.axis][0],
-        this.nrrd_states.sphereOrigin[this.axis][1]
-      );
 
       // get mouse position
       const mouseX = this.nrrd_states.sphereOrigin[this.axis][0];
diff --git a/src/index.ts b/src/index.ts
index 4a02fcc..c462c71 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -42,10 +42,10 @@ import {
 
 import "./css/style.css";
 
-export const REVISION = "v1.15.21";
+export const REVISION = "v1.15.22";
 
 console.log(
-  "%cCopper3D Visualisation %cBeta:v1.15.21",
+  "%cCopper3D Visualisation %cBeta:v1.15.22",
   "padding: 3px;color:white; background:#023047",
   "padding: 3px;color:white; background:#f50a25"
 );
diff --git a/src/types/types.ts b/src/types/types.ts
index 39c870b..98c00d2 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -91,6 +91,10 @@ interface nrrdDrawImageOptType {
     height: number,
     clearAllFlag?: boolean
   ) => void;
+  getSphereData?:(
+    sphereOrigin:number[],
+    sphereRadius:number
+  )=>void
 }
 
 // kiwrious