Function to generate a pseudocolor plot with a non-regular rectangular grid.
pcolor(data) pcolor(data, labels) pcolor(data, labels, direction) pcolor(data, labels, direction, num_points) pcolor(data, labels, direction, num_points, flip)
Matrix of data to be plotted
Vector of strings to label data points
Direction to plot along x axis with 'r' or y axis with 'c'
The number of points to include on colour map
Option to flip data on the x axis or not, %f or %t. Default value is %f