scatter plot over image with point id hover data

scatter_image.py

from plotly.offline import init_notebook_mode, iplot
import plotly.graph_objs as go
init_notebook_mode()

# x, y is point data, image is a PIL image.

trace0 = go.Scatter(
    x=x, y=y, mode='markers',
    hovertext=[str(i) for i in range(len(x))],
    hoverinfo="text",)

layout = go.Layout(
    hovermode="closest",
    showlegend=False,
    height=800,
    width=800,
    yaxis=go.layout.YAxis(range=[512, 0]),
    xaxis=go.layout.XAxis(range=[0, 512]),
    images=[go.layout.Image(source=image,
                            xref="x",
                            yref="y",
                            x=0,
                            y=0,
                            sizex=512,
                            sizey=512,
                            sizing="stretch",
                            opacity=1.0,
                            layer="below")],)

fig = go.Figure(data=[trace0], layout=layout)
iplot(fig)