Heatmap

Same Heatmap as above but with more advanced overlay options

                Properties used:
                  
                    colorKey,
                    colorSpectrum,
                    colorSpectrumZeroValue,
                    graphType,
                    heatmapIndicatorHeight,
                    heatmapIndicatorHistogram,
                    heatmapIndicatorPosition,
                    heatmapIndicatorWidth,
                    samplesClustered,
                    showTransition,
                    smpOverlayProperties,
                    smpOverlays,
                    title,
                    varOverlayProperties,
                    varOverlays,
                    variablesClustered