toolbar module¶
¶
Module for dealing with the toolbar.
change_basemap(m)
¶
Widget for change basemaps.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
geemap.Map() |
required |
Source code in geemap/toolbar.py
def change_basemap(m):
"""Widget for change basemaps.
Args:
m (object): geemap.Map()
"""
from .basemaps import _ee_basemaps
dropdown = widgets.Dropdown(
options=list(_ee_basemaps.keys()),
value="ROADMAP",
layout=widgets.Layout(width="200px")
# description="Basemaps",
)
close_btn = widgets.Button(
icon="times",
tooltip="Close the basemap widget",
button_style="primary",
layout=widgets.Layout(width="32px"),
)
basemap_widget = widgets.HBox([dropdown, close_btn])
def on_click(change):
basemap_name = change["new"]
if len(m.layers) == 1:
old_basemap = m.layers[0]
else:
old_basemap = old_basemap = m.layers[1]
m.substitute_layer(old_basemap, _ee_basemaps[basemap_name])
dropdown.observe(on_click, "value")
def close_click(change):
m.toolbar_reset()
if m.basemap_ctrl is not None and m.basemap_ctrl in m.controls:
m.remove_control(m.basemap_ctrl)
basemap_widget.close()
close_btn.on_click(close_click)
basemap_control = WidgetControl(widget=basemap_widget, position="topright")
m.add_control(basemap_control)
m.basemap_ctrl = basemap_control
convert_js2py(m)
¶
A widget for converting Earth Engine JavaScript to Python.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
geemap.Map |
required |
Source code in geemap/toolbar.py
def convert_js2py(m):
"""A widget for converting Earth Engine JavaScript to Python.
Args:
m (object): geemap.Map
"""
full_widget = widgets.VBox(layout=widgets.Layout(width="465px", height="350px"))
text_widget = widgets.Textarea(
placeholder="Paste your Earth Engine JavaScript into this textbox and click the Convert button below to convert the Javascript to Python",
layout=widgets.Layout(width="455px", height="310px"),
)
buttons = widgets.ToggleButtons(
value=None,
options=["Convert", "Clear", "Close"],
tooltips=["Convert", "Clear", "Close"],
button_style="primary",
)
buttons.style.button_width = "142px"
def button_clicked(change):
if change["new"] == "Convert":
from .conversion import js_snippet_to_py, create_new_cell
if len(text_widget.value) > 0:
out_lines = js_snippet_to_py(
text_widget.value,
add_new_cell=False,
import_ee=False,
import_geemap=False,
show_map=False,
)
if len(out_lines) > 0 and len(out_lines[0].strip()) == 0:
out_lines = out_lines[1:]
text_widget.value = "".join(out_lines)
create_code_cell(text_widget.value)
elif change["new"] == "Clear":
text_widget.value = ""
elif change["new"] == "Close":
m.toolbar_reset()
if m.convert_ctrl is not None and m.convert_ctrl in m.controls:
m.remove_control(m.convert_ctrl)
full_widget.close()
buttons.value = None
buttons.observe(button_clicked, "value")
full_widget.children = [text_widget, buttons]
widget_control = WidgetControl(widget=full_widget, position="topright")
m.add_control(widget_control)
m.convert_ctrl = widget_control
open_data_widget(m)
¶
A widget for opening local vector/raster data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
m |
object |
geemap.Map |
required |
Source code in geemap/toolbar.py
def open_data_widget(m):
"""A widget for opening local vector/raster data.
Args:
m (object): geemap.Map
"""
tool_output = widgets.Output()
tool_output_ctrl = WidgetControl(widget=tool_output, position="topright")
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
file_type = widgets.ToggleButtons(
options=["Shapefile", "GeoJSON", "GeoTIFF"],
tooltips=[
"Open a shapefile",
"Open a GeoJSON file",
"Open a GeoTIFF",
],
)
file_chooser = FileChooser(os.getcwd())
file_chooser.filter_pattern = "*.shp"
file_chooser.use_dir_icons = True
style = {"description_width": "initial"}
layer_name = widgets.Text(
value="Shapefile",
description="Enter a layer name:",
tooltip="Enter a layer name for the selected file",
style=style,
layout=widgets.Layout(width="454px", padding="0px 0px 0px 5px"),
)
convert_bool = widgets.Checkbox(
description="Convert to ee.FeatureCollection?",
indent=False,
layout=widgets.Layout(padding="0px 0px 0px 5px"),
)
convert_hbox = widgets.HBox([convert_bool])
ok_cancel = widgets.ToggleButtons(
value=None,
options=["Apply", "Reset", "Close"],
tooltips=["Apply", "Reset", "Close"],
button_style="primary",
)
bands = widgets.Text(
value="1",
description="Bands:",
tooltip="Enter a list of band indices",
style=style,
layout=widgets.Layout(width="110px"),
)
colormap = widgets.Dropdown(
options=[],
value=None,
description="colormap:",
layout=widgets.Layout(width="172px"),
style=style,
)
x_dim = widgets.Text(
value="x",
description="x_dim:",
tooltip="The x dimension",
style=style,
layout=widgets.Layout(width="80px"),
)
y_dim = widgets.Text(
value="y",
description="y_dim:",
tooltip="The xydimension",
style=style,
layout=widgets.Layout(width="80px"),
)
raster_options = widgets.HBox()
main_widget = widgets.VBox(
[file_type, file_chooser, layer_name, convert_hbox, raster_options, ok_cancel]
)
tool_output.clear_output()
with tool_output:
display(main_widget)
# def chooser_callback(chooser):
# if len(layer_name.value) == 0 and file_chooser.selected is not None:
# layer_name.value = os.path.splitext(file_chooser.selected_filename)[0]
def bands_changed(change):
if change["new"] and "," in change["owner"].value:
colormap.value = None
colormap.disabled = True
else:
colormap.disabled = False
bands.observe(bands_changed, "value")
def file_type_changed(change):
ok_cancel.value = None
file_chooser.default_path = os.getcwd()
file_chooser.reset()
layer_name.value = file_type.value
if change["new"] == "Shapefile":
file_chooser.filter_pattern = "*.shp"
raster_options.children = []
convert_hbox.children = [convert_bool]
elif change["new"] == "GeoJSON":
file_chooser.filter_pattern = "*.geojson"
raster_options.children = []
convert_hbox.children = [convert_bool]
elif change["new"] == "GeoTIFF":
import matplotlib.pyplot as plt
file_chooser.filter_pattern = "*.tif"
colormap.options = plt.colormaps()
colormap.value = "terrain"
raster_options.children = [bands, colormap, x_dim, y_dim]
convert_hbox.children = []
def ok_cancel_clicked(change):
if change["new"] == "Apply":
m.default_style = {"cursor": "wait"}
file_path = file_chooser.selected
if file_path is not None:
ext = os.path.splitext(file_path)[1]
with tool_output:
if ext.lower() == ".shp":
if convert_bool.value:
ee_object = shp_to_ee(file_path)
m.addLayer(ee_object, {}, layer_name.value)
m.centerObject(ee_object)
else:
m.add_shapefile(
file_path, style=None, layer_name=layer_name.value
)
elif ext.lower() == ".geojson":
if convert_bool.value:
ee_object = geojson_to_ee(file_path)
m.addLayer(ee_object, {}, layer_name.value)
m.centerObject(ee_object)
else:
m.add_geojson(
file_path, style=None, layer_name=layer_name.value
)
elif ext.lower() == ".tif":
sel_bands = [int(b.strip()) for b in bands.value.split(",")]
m.add_raster(
image=file_path,
bands=sel_bands,
layer_name=layer_name.value,
colormap=colormap.value,
x_dim=x_dim.value,
y_dim=y_dim.value,
)
else:
print("Please select a file to open.")
m.toolbar_reset()
m.default_style = {"cursor": "default"}
elif change["new"] == "Reset":
file_chooser.reset()
tool_output.clear_output()
with tool_output:
display(main_widget)
m.toolbar_reset()
elif change["new"] == "Close":
if m.tool_output_ctrl is not None and m.tool_output_ctrl in m.controls:
m.remove_control(m.tool_output_ctrl)
m.tool_output_ctrl = None
m.toolbar_reset()
ok_cancel.value = None
file_type.observe(file_type_changed, names="value")
ok_cancel.observe(ok_cancel_clicked, names="value")
# file_chooser.register_callback(chooser_callback)
m.add_control(tool_output_ctrl)
m.tool_output_ctrl = tool_output_ctrl
Last update: 2021-02-25