コード例 #1
0
 def draw_rectangle(self,x,y):
     GD.debugt("DRAWRECTANGLE")
     if self.cursor:
         self.removeDecoration(self.cursor)
     col = GD.cfg.get('pick/color','yellow')
     self.cursor = decors.Grid(self.statex,self.statey,x,y,color=col,linewidth=1)
     self.addDecoration(self.cursor)
コード例 #2
0
def gl_pickbuffer():
    "Return a list of the 2nd numbers in the openGL pick buffer."
    buf = GL.glRenderMode(GL.GL_RENDER)
    GD.debugt("translate getpickbuf")
    return asarray([ r[2] for r in buf ])
コード例 #3
0
 def saveBuffer(self):
     """Save the current OpenGL buffer"""
     GD.debugt("saveBuffer")
     self.save_buffer = GL.glGetIntegerv(GL.GL_DRAW_BUFFER)
コード例 #4
0
    def pick_parts(self,obj_type,max_objects,store_closest=False):
        """Set the list of actor parts inside the pick_window.

        obj_type can be 'element', 'point' or 'edge'(SurfaceActor only)
        max_objects specifies the maximum number of objects

        The picked object numbers are stored in self.picked.
        If store_closest==True, the closest picked object is stored in as a
        tuple ( [actor,object] ,distance) in self.picked_closest
        """
        GD.debugt("PICKPARTS")
        self.camera.loadProjection(pick=self.pick_window)
        self.camera.loadMatrix()
        stackdepth = 2
        GL.glSelectBuffer(max_objects*(3+stackdepth))
        GL.glRenderMode(GL.GL_SELECT)
        GL.glInitNames()
        GD.debugt("pickGL from %s" % len(self.actors))
        for i,a in enumerate(self.actors):
            GL.glPushName(i)
            a.pickGL(obj_type)
            GL.glPopName()
        GD.debugt("getpickbuf")
        buf = GL.glRenderMode(GL.GL_RENDER)
        GD.debugt("translate getpickbuf")
        self.picked = [ r[2] for r in buf ]
        GD.debugt("store closest")
        if store_closest and len(buf) > 0:
            d = asarray([ r[0] for r in buf ])
            dmin = d.min()
            w = where(d == dmin)[0][0]
            self.closest_pick = (self.picked[w], dmin)
        GD.debugt("PICKPARTS DONE")