o
Pfl @ sB d dl mZmZmZ d dlmZ d dlmZ G dd deeZdS ) )ElementFigure MacroElement)Template)
JSCSSMixinc sN e Zd ZdZedZdgZdgZ d fd
d Z fd d
Z Z
S )Drawa;
Vector drawing and editing plugin for Leaflet.
Parameters
----------
export : bool, default False
Add a small button that exports the drawn shapes as a geojson file.
filename : string, default 'data.geojson'
Name of geojson file
position : {'topleft', 'toprigth', 'bottomleft', 'bottomright'}
Position of control.
See https://leafletjs.com/reference.html#control
show_geometry_on_click : bool, default True
When True, opens an alert with the geometry description on click.
draw_options : dict, optional
The options used to configure the draw toolbar. See
http://leaflet.github.io/Leaflet.draw/docs/leaflet-draw-latest.html#drawoptions
edit_options : dict, optional
The options used to configure the edit toolbar. See
https://leaflet.github.io/Leaflet.draw/docs/leaflet-draw-latest.html#editpolyoptions
Examples
--------
>>> m = folium.Map()
>>> Draw(
... export=True,
... filename="my_data.geojson",
... position="topleft",
... draw_options={"polyline": {"allowIntersection": False}},
... edit_options={"poly": {"allowIntersection": False}},
... ).add_to(m)
For more info please check
https://leaflet.github.io/Leaflet.draw/docs/leaflet-draw-latest.html
a
{% macro script(this, kwargs) %}
var options = {
position: {{ this.position|tojson }},
draw: {{ this.draw_options|tojson }},
edit: {{ this.edit_options|tojson }},
}
// FeatureGroup is to store editable layers.
var drawnItems_{{ this.get_name() }} = new L.featureGroup().addTo(
{{ this._parent.get_name() }}
);
options.edit.featureGroup = drawnItems_{{ this.get_name() }};
var {{ this.get_name() }} = new L.Control.Draw(
options
).addTo( {{this._parent.get_name()}} );
{{ this._parent.get_name() }}.on(L.Draw.Event.CREATED, function(e) {
var layer = e.layer,
type = e.layerType;
var coords = JSON.stringify(layer.toGeoJSON());
{%- if this.show_geometry_on_click %}
layer.on('click', function() {
alert(coords);
console.log(coords);
});
{%- endif %}
drawnItems_{{ this.get_name() }}.addLayer(layer);
});
{{ this._parent.get_name() }}.on('draw:created', function(e) {
drawnItems_{{ this.get_name() }}.addLayer(e.layer);
});
{% if this.export %}
document.getElementById('export').onclick = function(e) {
var data = drawnItems_{{ this.get_name() }}.toGeoJSON();
var convertedData = 'text/json;charset=utf-8,'
+ encodeURIComponent(JSON.stringify(data));
document.getElementById('export').setAttribute(
'href', 'data:' + convertedData
);
document.getElementById('export').setAttribute(
'download', {{ this.filename|tojson }}
);
}
{% endif %}
{% endmacro %}
)leaflet_draw_jszIhttps://cdnjs.cloudflare.com/ajax/libs/leaflet.draw/1.0.2/leaflet.draw.js)leaflet_draw_csszJhttps://cdnjs.cloudflare.com/ajax/libs/leaflet.draw/1.0.2/leaflet.draw.cssF data.geojsontopleftTNc s@ t d| _|| _|| _|| _|| _|pi | _|p i | _d S )N DrawControl) super__init___nameexportfilenamepositionshow_geometry_on_click draw_options edit_options)selfr r r r r r __class__ _/home/deployuser/azure_apps/autowriter/venv/lib/python3.10/site-packages/folium/plugins/draw.pyr j s
z
Draw.__init__c sj t jdi | | }t|tsJ dd}d}| jr3|jjt|dd |j jt|dd d S d S )Nz8You cannot render this Element if it is not in a Figure.aA
z"Exportr )name
export_buttonr )
r
renderget_root
isinstancer r header add_childr html)r kwargsfigure export_styler r r r r | s z Draw.render)Fr
r TNN) __name__
__module__ __qualname____doc__r _template
default_js default_cssr r
__classcell__r r r r r s" %1 r N) branca.elementr r r jinja2r folium.elementsr r r r r r s