def make_box_for_grid(image_widget, title, size=(250, 250)):
"""
Make a VBox to hold caption/image for demonstrating
option_fit values.
"""
modes = ['oblique', 'X', 'Y', 'Z']
# make layout
box_layout = Layout()
box_layout.width = f'{size[0]}px'
box_layout.height = f'{size[1]}px'
box_layout.border = '0px'
# Make the caption
if title is not None:
title_str = "'{}'".format(title)
else:
title_str = str(title)
h = HTML(value='' + str(title_str) + '')
# Make the box with the image widget inside it
boxb = Box()
boxb.layout = box_layout
boxb.children = [image_widget]
# Compose into a vertical box
vb = VBox()
vb.layout.align_items = 'center'
vb.children = [h, boxb]
return vb
def show_movies(name=''):
modes = ['oblique', 'X', 'Y', 'Z']
# define layout
hbox_layout = Layout()
hbox_layout.width = '100%'
#hbox_layout.justify_content = 'space-around'
# Use this margin to eliminate space between the image and the box
image_margin = '0 0 0 0'
# Set size of captions in figures below
caption_size = 'h4'
# open GIF files
boxes = []
for mode in modes:
ib = open_image(filename=f'{name}{mode}.gif')
ib.layout.object_fit = 'contain'
ib.layout.margin = image_margin
boxes.append(make_box_for_grid(ib, title=mode))
# generate widgets
vb = HBox()
vb.layout.align_items = 'center'
hb = HBox()
hb.layout = hbox_layout
hb.children = boxes
vb.children = [hb]
return vb
def _online_notebook_login(username, passwd):
import requests
import json
from ipywidgets import HTML, Layout
if username is not None and passwd is not None:
SSO_URL = 'https://sso.supermap.com/login'
params = {'format': 'json'}
params.update({'service': 'https://www.supermapol.com/shiro-cas'})
session = requests.session()
lt_res = session.get(SSO_URL, params=params, allow_redirects=False)
params.update(json.loads(lt_res.content))
params.update({"username": username, "password": passwd})
ticket_res = session.post(SSO_URL,
params=params,
allow_redirects=False)
if ticket_res.status_code != 302:
raise Exception("登录失败，请确保用户名和密码输入正确")
url = ticket_res.headers["location"]
layout = Layout()
layout.visibility = 'hidden'
layout.width = '0px'
layout.height = '0px'
return HTML(value='<iframe src="' + url + '">', layout=layout)
