This article presents how to customize the header, navigation symbols and footer in Beamer.
application notes
NetworkX Application Notes: Draw trees with PyGraphviz
NetworkX only provides basic functionality for visualizing graphs. It looks ugly to draw trees with its built-in graph layout. This article presents how to draw beautiful trees with pygraphviz and convert the format between NetworkX and Graphviz (dot).
Draw with Matplotlib: Table of Contents
In this article, the series of posts “Draw with Matplotlib” is organized as a table of contents(TOC) for the convenience of access.
Python Application Notes: set and frozenset
Python Application Notes: list
GTFS Application Notes: trips
GTFS trips. Temporally. I will refine later.
GTFS Application Notes: the schedules (service types)
This blog presents how public transportation schedules in GTFS.
GTFS Application Notes: routes
routes.txt describes all routes in a public transportation network, including route_id, agency_id, route_short_name, route_long_name,route_desc, route_type, route_url, route_color, route_text_color. Refer to GTFS reference: routes_fields for the detailed description.
GTFS Application Notes: stops
A parent station is associated with several stops. Note that there is no one-to-one correspondence between stop_name and stop_id.
GTFS Application Notes: How is organized?
This blog presents how GTFS is organized and shares three data diagrams for a better understanding.