1.1 --- a/src/renderer.cc	Tue Dec 30 21:20:57 2014 +0200
     1.2 +++ b/src/renderer.cc	Wed Dec 31 05:21:47 2014 +0200
     1.3 @@ -10,6 +10,8 @@
     1.4  	for(int i=0; i<MAX_CLIP_PLANES; i++) {
     1.5  		disable_clipping_plane(i);
     1.6  	}
     1.7 +
     1.8 +	zscale = 1.0;
     1.9  }
    1.10  
    1.11  Renderer::~Renderer()
    1.12 @@ -36,6 +38,16 @@
    1.13  	return vol;
    1.14  }
    1.15  
    1.16 +void Renderer::set_zscale(float zs)
    1.17 +{
    1.18 +	zscale = zs;
    1.19 +}
    1.20 +
    1.21 +float Renderer::get_zscale() const
    1.22 +{
    1.23 +	return zscale;
    1.24 +}
    1.25 +
    1.26  void Renderer::set_transfer_function(TransferFunc *xfer)
    1.27  {
    1.28  	this->xfer = xfer;