42 upload data

Uncomment the following line to install geemap if needed.

In [ ]:

# !pip install geemap

# !pip install geemap

In [ ]:

import os
import ee
import geemap
import ipywidgets as widgets
from ipyleaflet import WidgetControl

import os import ee import geemap import ipywidgets as widgets from ipyleaflet import WidgetControl

In [ ]:

Map = geemap.Map(center=(40, -100), zoom=4, height='750px')

Map = geemap.Map(center=(40, -100), zoom=4, height='750px')

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# Add Earth Engine dataset
dem = ee.Image('USGS/SRTMGL1_003')

# Set visualization parameters.
vis_params = {
    'min': 0,
    'max': 4000,
    'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5'],
}

# Add Earth Engine layers to Map
Map.addLayer(dem, vis_params, 'SRTM DEM', True, 0.7)

Map

# Add Earth Engine dataset dem = ee.Image('USGS/SRTMGL1_003') # Set visualization parameters. vis_params = { 'min': 0, 'max': 4000, 'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5'], } # Add Earth Engine layers to Map Map.addLayer(dem, vis_params, 'SRTM DEM', True, 0.7) Map

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output_widget = widgets.Output(layout={'border': '1px solid black'})
output_control = WidgetControl(widget=output_widget, position='bottomright')
Map.add_control(output_control)

output_widget = widgets.Output(layout={'border': '1px solid black'}) output_control = WidgetControl(widget=output_widget, position='bottomright') Map.add_control(output_control)

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style = {'description_width': 'initial'}
uploader = widgets.FileUpload(
    description='Upload data',
    accept='.zip, .json, .geojson',
    multiple=False,
    button_style='primary',
    style=style,
)

submit = widgets.Button(
    description='Display data', button_style='success', tooltip='Click me', style=style
)

reset = widgets.Button(
    description='Reset', button_style='warning', tooltip='Click me', style=style
)

style = {'description_width': 'initial'} uploader = widgets.FileUpload( description='Upload data', accept='.zip, .json, .geojson', multiple=False, button_style='primary', style=style, ) submit = widgets.Button( description='Display data', button_style='success', tooltip='Click me', style=style ) reset = widgets.Button( description='Reset', button_style='warning', tooltip='Click me', style=style )

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with output_widget:
    print('Upload shapefile or \ngeojson as a zip file')
    display(uploader)
    display(submit)
    display(reset)

with output_widget: print('Upload shapefile or \ngeojson as a zip file') display(uploader) display(submit) display(reset)

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def get_vector(upload_widget, out_dir=None):
    import zipfile
    import glob

    if out_dir is None:
        out_dir = os.path.join(os.path.expanduser('~'), 'Downloads')
    if not os.path.exists(out_dir):
        os.makedirs(out_dir)

    vector = None

    try:
        [uploaded_file] = upload_widget.value
        file = upload_widget.value[0]
        name = file['name']
        content = file['content']
        out_file = os.path.join(out_dir, name)
        with open(out_file, "wb") as fp:
            fp.write(content)

        if name.endswith('.zip'):
            with zipfile.ZipFile(out_file, "r") as zip_ref:
                extract_dir = os.path.join(
                    out_dir, name[:-4] + "_" + geemap.random_string(3)
                )
                zip_ref.extractall(extract_dir)
                files = glob.glob(extract_dir + '/*.shp')
                if len(files) > 0:
                    shp = files[0]
                    vector = geemap.shp_to_ee(shp)
                else:
                    files = glob.glob(extract_dir + '/*.geojson')
                    if len(files) > 0:
                        geojson = files[0]
                        vector = geemap.geojson_to_ee(geojson)
        else:
            vector = geemap.geojson_to_ee(out_file)

    except Exception as e:
        print(e)

    return vector

def get_vector(upload_widget, out_dir=None): import zipfile import glob if out_dir is None: out_dir = os.path.join(os.path.expanduser('~'), 'Downloads') if not os.path.exists(out_dir): os.makedirs(out_dir) vector = None try: [uploaded_file] = upload_widget.value file = upload_widget.value[0] name = file['name'] content = file['content'] out_file = os.path.join(out_dir, name) with open(out_file, "wb") as fp: fp.write(content) if name.endswith('.zip'): with zipfile.ZipFile(out_file, "r") as zip_ref: extract_dir = os.path.join( out_dir, name[:-4] + "_" + geemap.random_string(3) ) zip_ref.extractall(extract_dir) files = glob.glob(extract_dir + '/*.shp') if len(files) > 0: shp = files[0] vector = geemap.shp_to_ee(shp) else: files = glob.glob(extract_dir + '/*.geojson') if len(files) > 0: geojson = files[0] vector = geemap.geojson_to_ee(geojson) else: vector = geemap.geojson_to_ee(out_file) except Exception as e: print(e) return vector

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def submit_clicked(b):
    if len(uploader.value) > 0:
        Map.default_style = {'cursor': 'wait'}
        try:
            fc = get_vector(uploader)
            layer_name = 'Layer ' + geemap.random_string(3)
            Map.addLayer(fc, {}, layer_name)
            Map.centerObject(fc)
            uploader.value = ()
        except Exception as e:
            print(e)
        Map.default_style = {'cursor': 'pointer'}


submit.on_click(submit_clicked)


def reset_clicked(b):
    Map.layers = Map.layers[:3]
    output_widget.clear_output()
    with output_widget:
        print('Upload shapefile or \ngeojson as a zip file')
        display(uploader)
        display(submit)
        display(reset)
    uploader.value = ()


reset.on_click(reset_clicked)

def submit_clicked(b): if len(uploader.value) > 0: Map.default_style = {'cursor': 'wait'} try: fc = get_vector(uploader) layer_name = 'Layer ' + geemap.random_string(3) Map.addLayer(fc, {}, layer_name) Map.centerObject(fc) uploader.value = () except Exception as e: print(e) Map.default_style = {'cursor': 'pointer'} submit.on_click(submit_clicked) def reset_clicked(b): Map.layers = Map.layers[:3] output_widget.clear_output() with output_widget: print('Upload shapefile or \ngeojson as a zip file') display(uploader) display(submit) display(reset) uploader.value = () reset.on_click(reset_clicked)

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Last update: 2023-04-06
Created: 2020-11-01