function [volumeRenderModel] = getVolumeRenderModel()

volumeRenderModel.cdata = [];
volumeRenderModel.xdata = [];
volumeRenderModel.ydata = [];
volumeRenderModel.zdata = [];
volumeRenderModel.axis = [];
volumeRenderModel.parent = [];
volumeRenderModel.planeSpacing = [1, 1, 1];
volumeRenderModel.xPlaneHandles = [];
volumeRenderModel.yPlaneHandles = [];
volumeRenderModel.zPlaneHandles = [];
volumeRenderModel.mode = 'new';
volumeRenderModel.texture = '3D';
