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import sys
import os
import leafmap
from helpers.grid import *
from helpers.functional import *
from leafmap.toolbar import change_basemap
from IPython.display import display
import ipywidgets
import solara
instructions_top = '''
# Dataset Viewer
This app provides a way of exploring samples present in the MajorTOM-Core dataset.
It contains nearly every piece of Earth capture by ESA Sentinel-2 satellite.
### Instructions
To find a sample, navigate on the map to a place of interest. Click `Find Sample` to find a dataset sample that contains the central pixel of your current view.
'''
instructions_bottom = '''
<details><summary><strong>🏝 Couldn't find a sample? See this figure of global coverage:</strong></summary>
<img src='https://cdn-uploads.huggingface.co/production/uploads/6304c06eeb6d777a838eab63/2KTarfsM0a1dNYEbXriUH.png' />
</details>
'''
image_data = solara.reactive(Image.new('RGB',(1068,1068)))
center = solara.reactive((20, 0))
gridcell = solara.reactive('')
zoom= solara.reactive(4)
s2_level = solara.reactive('L2A')
@solara.component
def Page():
with solara.Column():
with solara.Card(margin=10):
solara.Markdown(instructions_top)
solara.Button(label="Website",
icon_name="mdi-map-legend",
attributes={"href": 'https://www.huggingface.co/Major-TOM', "target": "_blank"},
text=True,
outlined=True)
solara.Button(label="arXiv Paper",
icon_name="mdi-script-text",
attributes={"href": 'https://www.arxiv.org/abs/2402.12095', "target": "_blank"},
text=True,
outlined=True)
solara.Markdown(instructions_bottom)
def update_image():
ret = map_to_image(m, return_centre=True, return_gridcell=True, l2a=(s2_level.value=='L2A'))
if ret is not None:
image_data.value, center.value, gridcell.value = ret
zoom.value=12
else:
image_data.value = Image.new('RGB',(1068,1068))
center.value = (20,0)
zoom.value = 4
def update_level(level):
s2_level.value = level
update_image()
with solara.Card(margin=10):
with solara.ColumnsResponsive(default=12, small=12, medium=6, large=6, xlarge=6):
with solara.Column(align='center'):
m = leafmap.Map(
height=560,
width=560,
layout=ipywidgets.Layout(max_width='60vw', max_height='80vh'),
zoom=zoom.value,
center=center.value,
draw_control=False,
measure_control=False,
fullscreen_control=False,
toolbar_control=False,
attribution_control=True,
)
display(m)
button = solara.Button("Find Sample", on_click=update_image, height='80px')
solara.Select(label="Processing Level", value=s2_level, values=['L2A','L1C'], on_value=update_level)
with solara.Column(align='center'):
output = solara.Image(image_data.value)
solara.Markdown('''
| | |
|--------------------:|:----:|
| Latitude, Longitude | {:.3f}, {:.3f} |
| MajorTOM Grid | {} |
'''.format(center.value[0], center.value[1], gridcell.value))
|