import holoviews as hv
import numpy as np
import panel as pn

hv.extension('bokeh')

points = hv.Points([(0.0, 0.0), (1.0, 1.0), (200000.0, 2000000.0)]).opts(size=10, min_height=500)

annotator = hv.annotate.instance()
layout = annotator(hv.element.tiles.OSM() * points, annotations=['Label'], name="Point Annotations")

print(layout)

layout

annotator.annotated.dframe()

annotator.selected.dframe()

hv.help(hv.annotate)

hv.annotate(points, annotations={'int': int, 'float': float, 'str': str})

curve = hv.Curve(np.random.randn(50).cumsum())

curve_annotator = hv.annotate.instance()

curve_annotator(curve.opts(width=800, height=400, responsive=False), annotations={'Label': str})

curve_annotator.annotated.dframe().head(5)

boxes = hv.Rectangles([(0, 0, 1, 1), (1.5, 1.5, 2.5, 2.5)])

box_annotator = hv.annotate.instance()

box_annotator(boxes.opts(width=800, height=400, responsive=False), annotations=['Label'])

box_annotator.annotated.dframe()

path = hv.Path([hv.Box(0, 0, 1), hv.Ellipse(1, 1, 1)])

path_annotator = hv.annotate.instance()

path_annotator(path.opts(width=800, height=400, responsive=False), annotations=['Label'], vertex_annotations=['Value'])

path_annotator.annotated.iloc[0].dframe()

img = hv.Image(np.load('../assets/twophoton.npz')['Calcium'][..., 0])
cells = hv.Points([]).opts(width=500, height=500, responsive=False, padding=0)

hv.annotate(img * cells, annotations=['Label'], name="Cell Annotator")

point_annotate = hv.annotate.instance()
points = hv.Points([(500000, 500000), (1000000, 1000000)]).opts(size=10, color='red', line_color='black')
point_layout = point_annotate(points, annotations=['Label'])

poly_annotate = hv.annotate.instance()
poly_layout = poly_annotate(hv.Polygons([]), annotations=['Label'])

hv.annotate.compose(hv.element.tiles.OSM(), point_layout, poly_layout)

print(point_annotate.annotator)

#point_annotate.annotator.object = hv.Points(np.random.randn(10, 2)*1000000).opts(color='blue')