You need to send three things to plotly - the x, y, and V data. For the type of plot, you could have a 'contour' or 'heatmap' - technically, you can do a surface plot also (I think this is still ...

SAS/INSIGHT software provides rotating plots, surface plots, and contour plots for exploring data in three dimensions. A rotating plot is a three-dimensional scatter plot, so it shows a graphic ...