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Astah Office will be closed on Apr.15 (Fri)

  • by Satomi Joba
  • Posted on March 25, 2016March 25, 2016
  • Announcement

Due to our annual internal event, our office will be closed on Apr.15(Fri).
All of the emails, tickets and posts on Q&A forum received on Apr.15 will be responded on Apr.18(Mon).

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Issues when there are multiple attributes and you permute them

  • by Kaori Kitamura
  • Posted on February 2, 2016February 9, 2016
  • pro-bug

Two known issues for ER entities in ER Diagram.

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SafeML Part 3 – SafeML diagram examples

  • by Satomi Joba
  • Posted on February 2, 2016February 16, 2021
  • safety-critical software development
  • Video

Part 3 of “Introduction of SafeML – Safety Modelling Language” to improve the management and traceability of Safety Information in safety-critical systems development

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SafeML Part 2 – concepts and elements of SafeML

  • by Satomi Joba
  • Posted on February 1, 2016February 16, 2021
  • safety-critical software development
  • Video
harm context, SysML, SafeML, safety-critical systems development

Safety Information Management is a complex and difficult task. To improve it, Geoffrey Biggs created a “SafeML” – Safety Modeling Language.

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SafeML Part-1 – Introducing “SafeML” for Safety-Critical Systems Development

  • by Satomi Joba
  • Posted on January 28, 2016February 16, 2021
  • safety-critical software development
  • Video

Introducing a new modeling language “SafeML” to improve the traceability and management of safety information in safety-critical systems development.

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How to add gradient to existing diagrams

  • by Kaori Kitamura
  • Posted on January 21, 2016January 21, 2016
  • Diagram

How to add gradient to existing diagrams

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[Fixed in ver7.1] Unable to delete the AssociationEnd name from the property view when there are multiple Associations

  • by Kaori Kitamura
  • Posted on January 7, 2016September 27, 2018
  • pro-bug

When there are multiple Associations between the classes, you are unable to delete the name from the property view.

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​How to auto-create UML Class diagrams and ER diagrams​

  • by Kaori Kitamura
  • Posted on December 22, 2015November 4, 2026
  • Class Diagram

How to auto-create a Class/ER diagram

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Astah Holiday Announcement

  • by Satomi Joba
  • Posted on December 3, 2015
  • Event

We will be closing our office during the period below due to the New Years holidays. December 29th (Tue) – January 4th (Mon) in Japanese Standard Time Both of our website (Astah.net) and CV Members […]

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How to customize a “deafult file” that opens when creating a new file

  • by Kaori Kitamura
  • Posted on November 19, 2015November 30, 2015
  • Diagram

How to set the customized template file

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