Hai, i try to render primitive plane , but it is not showing. But if i render primitive box or cylinder it  just fine. 

plane = Primitives.getPlane(20, 30);
plane.setTexture("texture");
plane.strip();
plane.build();
world.addObject(plane);
cam = world.getCamera();
SimpleVector sv = new SimpleVector();
sv.set(plane.getTransformedCenter());
sv.y += 100;
sv.z += 100;

sun.setPosition(sv);

MemoryHelper.compact();


Thank you

Thank you Wolf17 for the answer 

hai, i want to change texture in plane when i click button. how to do it? thank you

hai, sorry for late reply.. i run the program in smartphone LG L90..i dunno if it's Intel based or not..

hello,
i got error Fatal signal 11, i run the program in android device not in emulator. And i already adding tag android:allowClearUserData="true"
any suggestion?
Thx

Thank you egon, it's work now 

hai ,  i have 3d model that if i select image in gridview the model show up, but 3D model come with diffrent size..some show too  much bigger,some show too little.

  cube=Primitives.getBox(15,3);
      cube.calcBoundingBox();
      float[] bb=cube.getMesh().getBoundingBox();
      float xDiff=bb[1]-bb[0];
      float yDiff=bb[3]-bb[2];
      float zDiff=bb[5]-bb[4];
      float scale_cube=cube.getScale();
    obj=Loader.load3DS(new FileInputStream(f),30f)[0];
    getSize(obj).x=xDiff;
    getSize(obj).y=yDiff;
    getSize(obj).z=zDiff;
    obj.setScale(scale_cube);
    obj.strip();
obj.build();
}

  public static SimpleVector getSize(Object3D object){
float[] bbox = object.getMesh().getBoundingBox();
float s = object.getScale();
Log.i("Util","getSize-scale:"+object.getScale());
Object3D[] par;
par = object.getParents();
while(par.length>0){
s = s*par[0].getScale();
Log.i("Util","getSize-parent:"+par[0].getScale());
par = par[0].getParents();
}
SimpleVector out = new SimpleVector((bbox[1]-bbox[0])*s,(bbox[3]-bbox[2])*s,(bbox[5]-bbox[4])*s);
Log.i("Util", "getSize:"+out.toString());
return out;
}

But my code not working..can you help me..thanks

hi, Egon. Try to understand and so far this is my code:

      cube=Primitives.getBox(15,3);
      cube.calcBoundingBox();
      float[] bb=cube.getMesh().getBoundingBox();
      float xDiff=bb[1]-bb[0];
      float yDiff=bb[3]-bb[2];
      float zDiff=bb[5]-bb[4];
      float s=cube.getScale();
  SimpleVector out = new SimpleVector(xDiff*s,yDiff*s,zDiff*s);

am i in the right path?

Hi egon, i have something to ask again.. if i want get proper texture name not from output log, how do that?
Thx you again 

Thank you egon.it's work now

hi egon, i don't understand about texture names in TextureManager. I have model with 3 texture file :Bear_Eyes+eeth+Nail_Diffuse.jpg, Bear_Specular.jpg, and Bear_Diffuse.jpg

teeth = new File(Environment.getExternalStorageDirectory(),"Folder/"+subfolder+"/"+"Bear_Eyes+eeth+Nail_Diffuse+".jpg");
body= new File(Environment.getExternalStorageDirectory(),"Folder/"+subfolder+"/"+"Bear_Diffuse".jpg");

TextureManager txtMgr = TextureManager.getInstance();
Texture texture1 = new Texture(new FileInputStream(teeth));
Texture texture2 = new Texture(new FileInputStream(body));
txtMgr.addTexture("texture1", texture1);
txtMgr.addTexture("texture2", texture2);
object.setTexture("texture1");
object.setTexture("texture2");


but texture of teeth and body not apply ..am i wrong using texture names and TextureManage?Please guide me. thanks egon

I trying to add getBoundingBox.. here is my code:
try {
     
      // Create a texture out of the icon...:-)
      TextureManager txtMgr = TextureManager.getInstance();
         if (!txtMgr.containsTexture("texture")) {
            Texture texture = new Texture(new FileInputStream(t));
            txtMgr.addTexture("texture", texture);
           }
         else{
           Texture old_texture = new Texture(new FileInputStream(t));
           txtMgr.replaceTexture("texture", old_texture);
            }
    
       cube=Loader.load3DS(new FileInputStream(f),scale)[0];
       cube.calcBoundingBox();
       float[] bb=cube.getMesh().getBoundingBox();
       scale=bb[mViewHeight];
       cube.setTexture("texture");
       cube.strip();
        cube.setTexture("texture");
      cube.build();
        } catch (IOException e) {
         e.printStackTrace();      
   }
please more guide..thank you

Thank Egon, will try getBoundingBox

In my app, am using JPCT-ae for 3d rendering. I am downloading 3d models form server and rendering it in android device. my problem is some models are small and some are very big. I want to set one generic scale for all the models regardless of what scale they were exported with. so that when i render them on device they should be of same size.

I dont know to do it. please any idea any help is very much appreciated.