![]() This is something a software engineer can easily understand. We also have the VinarahSon class that inherits from Vinarah. Visit the PlantText website and paste the following code in the text title Example Class Diagram ( v1 ) interface SuperHero you can see, we have a simple SuperHero interface that has three classes implementing it. Let’s create a simple UML class diagram using this amazing tool. What makes me like this a lot is that I can version control my designs together with my software project and quickly update them when the need arises. When you’re done creating your diagram you can generate a PNG or SVG file, or you can download the code as text. I find it quite handy since I can quickly create a class diagram using something that I understand so well – code. PlantText is a tool that helps you create UML diagrams of various types using code. I want to talk about a tool I bumped into that makes creation of UML diagrams a breeze – PlantText. This short post is not about whether or not one should use UML. I use it mostly in personal projects to keep a snapshot of my design decisions especially since it might be months before I revisit the project. Personally, even though I don’t like to use it as frequently, I have found it very handy in certain instances. I get mixed reactions from fellow engineers when I ask whether or not they like (or use) UML. It helps provide a standardised way to visualise the architecture, design, and implementation of complex software systems. Unified Modeling Language (UML) has been around the software development circles for a fairly long time now. basic.Creating UML Diagrams With Ease Using PlantText.For instance, my Markdown doc is named basic.md and when I export all diagrams (there are three) as SVG, three image files are generated: You also have the option to export all diagrams within a Markdown document (command palette option "PlantUML: Export Current File Diagrams"), which will create separate image files for each diagram. You can choose PNG, SVG, or other formats.** Here's the PNG and SVG versions of the diagram shown in the Preview pane, above: PNG SVG Choose "PlantUML: Export Current Diagram".open the command palette (Ctrl-Shift-P on my PC) or right click and select Command Palette. ![]() place your cursor within the desired PlantUML text,.Unlike plantuml, it is not a VS Code extension, but an executable. It works in conjunction with the plantuml extension installed earlier. In order to export individual diagrams, I need to install GraphViz, which is "open source graph visualization software". That's great, but what if you want to export a diagram from within the Markdown? For that you'll need a little help from your friends. What's more, the diagram in the Preview pane is kept in sync with the UML as described the Markdown document. I can include as many plantuml segments as I want in my Markdown, and the diagrams can be of any type supported by backgroundColor #EEEBDCĬustomer -> "login()" : username & passwordĬustomer -> "placeOrder()" : session token, order infoĭeactivate now when I open the VS Code's Preview pane: Markdown document on left, Preview on right Here I will embed PlantUML markup to generate a sequence diagram. With the extension installed, you can now insert UML diagrams using PlantUML language. You'll also need to have some version of Java installed, with JAVA_HOME environment variable set or an executable path with the java binary location in it. Then clicking install, or simply by running the following from a terminal pane (Ctrl+' gets you one): That extension is called plantuml, and you can install it either by searching for it in the extensions panel (click on the extension icon): With a single extension, you can visualize UML diagrams in VS Code's preview panel. VS Code) has become a popular editor for various computer languages, including Markdown. PlantUMLĭrawing UML diagrams is tedious, but what if you could instead describe a UML diagram textually, in a way that you could include it directly in a Markdown-based document, see both diagrams and formatted text in a preview as your are editing it, and in addition can export the Markdown as HTML or PDF? Your text and diagrams are seamlessly integrated in one file. Though perhaps it has not lived up to the larger ambitions of its designers, it still offers a consistent way to visualize various facets of software design. UML is the acronym for Universal Modeling Language, an effort to standardize an iconography for software design that first appeared 25 years ago. If you're using a traditional drawing tool, that can be tedious. Do you hate drawing diagrams for technical documentation? Seems like no sooner you finish a draft, new refinements come along, forcing you to change not only the text but the picture as well.
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