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166 lines
7.8 KiB
Markdown
166 lines
7.8 KiB
Markdown
# Open MCT [](http://www.apache.org/licenses/LICENSE-2.0)
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Open MCT is a next-generation mission control framework for visualization of data on desktop and mobile devices. It is developed at NASA's Ames Research Center, and is being used by NASA for data analysis of spacecraft missions, as well as planning and operation of experimental rover systems. As a generalizable and open source framework, Open MCT could be used as the basis for building applications for planning, operation, and analysis of any systems producing telemetry data.
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Please visit our [Official Site](https://nasa.github.io/openmct/) and [Getting Started Guide](https://nasa.github.io/openmct/getting-started/)
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## See Open MCT in Action
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Try Open MCT now with our [live demo](https://openmct-demo.herokuapp.com/).
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## Building and Running Open MCT Locally
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Building and running Open MCT in your local dev environment is very easy. Be sure you have [Git](https://git-scm.com/downloads) and [Node.js](https://nodejs.org/) installed, then follow the directions below. Need additional information? Check out the [Getting Started](https://nasa.github.io/openmct/getting-started/) page on our website.
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1. Clone the source code
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`git clone https://github.com/nasa/openmct.git`
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2. Install development dependencies
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`npm install`
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3. Run a local development server
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`npm start`
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Open MCT is now running, and can be accessed by pointing a web browser at [http://localhost:8080/](http://localhost:8080/)
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## Documentation
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Documentation is available on the [Open MCT website](https://nasa.github.io/openmct/documentation/). The documentation can also be built locally.
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### Building the Open MCT Documentation Locally
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Open MCT's documentation is generated by an
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[npm](https://www.npmjs.com/)-based build. It has additional dependencies that
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may not be available on every platform and thus is not covered in the standard
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npm install. Ensure your system has [libcairo](http://cairographics.org/)
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installed and then run the following commands:
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* `npm install`
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* `npm install canvas nomnoml`
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* `npm run docs`
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Documentation will be generated in `target/docs`.
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## Deploying Open MCT
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Open MCT is built using [`npm`](http://npmjs.com/)
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and [`gulp`](http://gulpjs.com/).
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To build Open MCT for deployment:
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`npm run prepublish`
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This will compile and minify JavaScript sources, as well as copy over assets.
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The contents of the `dist` folder will contain a runnable Open MCT
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instance (e.g. by starting an HTTP server in that directory), including:
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* A `main.js` file containing Open MCT source code.
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* Various assets in the `example` and `platform` directories.
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* An `index.html` that runs Open MCT in its default configuration.
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Additional `gulp` tasks are defined in [the gulpfile](gulpfile.js).
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## Bundles
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A bundle is a group of software components (including source code, declared
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as AMD modules, as well as resources such as images and HTML templates)
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that is intended to be added or removed as a single unit. A plug-in for
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Open MCT will be expressed as a bundle; platform components are also
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expressed as bundles.
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A bundle is also just a directory which contains a file `bundle.json`,
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which declares its contents.
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The file `bundles.json` (note the plural), at the top level of the
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repository, is a JSON file containing an array of all bundles (expressed as
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directory names) to include in a running instance of Open MCT. Adding or
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removing paths from this list will add or remove bundles from the running
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application.
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## Tests
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Tests are written for [Jasmine 1.3](http://jasmine.github.io/1.3/introduction.html)
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and run by [Karma](http://karma-runner.github.io). To run:
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`npm test`
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The test suite is configured to load any scripts ending with `Spec.js` found
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in the `src` hierarchy. Full configuration details are found in
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`karma.conf.js`. By convention, unit test scripts should be located
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alongside the units that they test; for example, `src/foo/Bar.js` would be
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tested by `src/foo/BarSpec.js`. (For legacy reasons, some existing tests may
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be located in separate `test` folders near the units they test, but the
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naming convention is otherwise the same.)
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### Test Reporting
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When `npm test` is run, test results will be written as HTML to
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`target/tests`. Code coverage information is written to `target/coverage`.
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### Functional Testing
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The tests described above are all at the unit-level; an additional
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test suite using [Protractor](https://angular.github.io/protractor/)
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is under development, in the `protractor` folder.
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To run:
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* Install protractor following the instructions above.
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* `cd protractor`
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* `npm install`
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* `npm run all`
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# Glossary
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Certain terms are used throughout Open MCT with consistent meanings
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or conventions. Any deviations from the below are issues and should be
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addressed (either by updating this glossary or changing code to reflect
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correct usage.) Other developer documentation, particularly in-line
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documentation, may presume an understanding of these terms.
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* _bundle_: A bundle is a removable, reusable grouping of software elements.
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The application is composed of bundles. Plug-ins are bundles. For more
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information, refer to framework documentation (under `platform/framework`.)
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* _capability_: An object which exposes dynamic behavior or non-persistent
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state associated with a domain object.
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* _composition_: In the context of a domain object, this refers to the set of
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other domain objects that compose or are contained by that object. A domain
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object's composition is the set of domain objects that should appear
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immediately beneath it in a tree hierarchy. A domain object's composition is
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described in its model as an array of id's; its composition capability
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provides a means to retrieve the actual domain object instances associated
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with these identifiers asynchronously.
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* _description_: When used as an object property, this refers to the human-readable
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description of a thing; usually a single sentence or short paragraph.
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(Most often used in the context of extensions, domain
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object models, or other similar application-specific objects.)
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* _domain object_: A meaningful object to the user; a distinct thing in
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the work support by Open MCT. Anything that appears in the left-hand
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tree is a domain object.
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* _extension_: An extension is a unit of functionality exposed to the
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platform in a declarative fashion by a bundle. For more
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information, refer to framework documentation (under `platform/framework`.)
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* _id_: A string which uniquely identifies a domain object.
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* _key_: When used as an object property, this refers to the machine-readable
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identifier for a specific thing in a set of things. (Most often used in the
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context of extensions or other similar application-specific object sets.)
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* _model_: The persistent state associated with a domain object. A domain
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object's model is a JavaScript object which can be converted to JSON
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without losing information (that is, it contains no methods.)
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* _name_: When used as an object property, this refers to the human-readable
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name for a thing. (Most often used in the context of extensions, domain
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object models, or other similar application-specific objects.)
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* _navigation_: Refers to the current state of the application with respect
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to the user's expressed interest in a specific domain object; e.g. when
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a user clicks on a domain object in the tree, they are _navigating_ to
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it, and it is thereafter considered the _navigated_ object (until the
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user makes another such choice.)
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* _space_: A name used to identify a persistence store. Interactions with
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persistence will generally involve a `space` parameter in some form, to
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distinguish multiple persistence stores from one another (for cases
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where there are multiple valid persistence locations available.)
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