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Software written in Python to take oscilloscope data for a data transmit channel and a data clock as inputs, and output an eye diagram. The eye diagram helps evaluate the quality of the transmit data.
A windrose, also know as polar rose plot, is a special diagram for representing the distribution of meteorological datas, typically wind speeds by class and direction.
A Python script to convert Dia XML files storing a UML diagram into SQL create statements. Ideal for designing a database with Dia and creating it on MySQL or PostgreSQL.
FreeBlockSim is a graphical block diagram editor/simulator for use with FreeSim++. FreeSim++ is a free to use C++ block library for dinamical systems simulation. Available soon on www.estudios-electricos.com
...Following is an example of a query in Pony:
select(p for p in Product if p.name.startswith('A') and p.cost <= 1000)
Pony translates queries to SQL using a specific database dialect. Currently Pony works with SQLite, MySQL, PostgreSQL and Oracle databases.
Pony ORM also include the ER Diagram Editor which is a great tool for prototyping. You can create your ER diagram online at https://editor.ponyorm.com, generate the database schema based on the diagram and start working with the database using declarative queries in seconds.
Little UML1.3 class diagram editor with support for input and output plug-ins. Export to XML, JPEG, BMP and PS...; import from Java, Python, XSD, DTD.... Actually runs under Windows and Unix/Linux.
papercuts is a light, fast, and open-source pre-planning solution for Fire and Rescue Services personel. Locations are indexed by address, and each record contains a 2D diagram area, a notepad, a MABAS card, and a gallery for digital photos.
A powerfull, generic and extensible data modeling tool. Features: diagram oriented, schema generation and reverse engineer to any relational DB, import and export to many formats, export diagram to picture or vectorial format, printing, documetation, etc
SimNetQ is a discrete simulator of waiting queues networks. It is initially the result of the diplom work of Laurent Burgbacher. It provides a graphical diagram editor, a graphical simulator and a statistical analysis module.
K3Studio is the universal workbench for 2d/3d modeling, visualization and simulation.
The main topic is simulation and visualization of automata networks, but it can be used for diagram drawing, flowcharting, presentation, as a CAD, GIS,...