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</script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><h1 id="__docusaurus" class="postHeaderTitle">Custom</h1></header><article><div><span><h2><a class="anchor" aria-hidden="true" id="custom-with-local-icons"></a><a href="#custom-with-local-icons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Custom with local icons</h2>
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<p>For this example we use the following architecture:</p>
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<pre><code class="hljs">.
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├── <span class="hljs-selector-tag">custom_local</span><span class="hljs-selector-class">.py</span>
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├── <span class="hljs-selector-tag">my_resources</span>
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│ ├── <span class="hljs-selector-tag">cc_heart</span><span class="hljs-selector-class">.black</span><span class="hljs-selector-class">.png</span>
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│ ├── <span class="hljs-selector-tag">cc_attribution</span><span class="hljs-selector-class">.png</span>
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│ ├──...
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</code></pre>
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<p>The content of custom_local.py file:</p>
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<pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> diagrams <span class="hljs-keyword">import</span> Diagram, Cluster
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<span class="hljs-keyword">from</span> diagrams.custom <span class="hljs-keyword">import</span> Custom
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<span class="hljs-keyword">with</span> Diagram(<span class="hljs-string">"Custom with local icons\n Can be downloaded here: \nhttps://creativecommons.org/about/downloads/"</span>, show=<span class="hljs-literal">False</span>, filename=<span class="hljs-string">"custom_local"</span>, direction=<span class="hljs-string">"LR"</span>):
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cc_heart = Custom(<span class="hljs-string">"Creative Commons"</span>, <span class="hljs-string">"./my_resources/cc_heart.black.png"</span>)
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cc_attribution = Custom(<span class="hljs-string">"Credit must be given to the creator"</span>, <span class="hljs-string">"./my_resources/cc_attribution.png"</span>)
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cc_sa = Custom(<span class="hljs-string">"Adaptations must be shared\n under the same terms"</span>, <span class="hljs-string">"./my_resources/cc_sa.png"</span>)
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cc_nd = Custom(<span class="hljs-string">"No derivatives or adaptations\n of the work are permitted"</span>, <span class="hljs-string">"./my_resources/cc_nd.png"</span>)
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cc_zero = Custom(<span class="hljs-string">"Public Domain Dedication"</span>, <span class="hljs-string">"./my_resources/cc_zero.png"</span>)
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<span class="hljs-keyword">with</span> Cluster(<span class="hljs-string">"Non Commercial"</span>):
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non_commercial = [Custom(<span class="hljs-string">"Y"</span>, <span class="hljs-string">"./my_resources/cc_nc-jp.png"</span>) - Custom(<span class="hljs-string">"E"</span>, <span class="hljs-string">"./my_resources/cc_nc-eu.png"</span>) - Custom(<span class="hljs-string">"S"</span>, <span class="hljs-string">"./my_resources/cc_nc.png"</span>)]
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cc_heart >> cc_attribution
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cc_heart >> non_commercial
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cc_heart >> cc_sa
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cc_heart >> cc_nd
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cc_heart >> cc_zero
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</code></pre>
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<p>It will generate the following diagram:</p>
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<p><img src="/img/custom_local.png" alt="custom local"></p>
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<h2><a class="anchor" aria-hidden="true" id="custom-with-remote-icons"></a><a href="#custom-with-remote-icons" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Custom with remote icons</h2>
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<p>If your icons are hosted and can be accessed when you generate the diagrams, you can</p>
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<pre><code class="hljs css language-python"><span class="hljs-keyword">from</span> diagrams <span class="hljs-keyword">import</span> Diagram, Cluster
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<span class="hljs-keyword">from</span> diagrams.custom <span class="hljs-keyword">import</span> Custom
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<span class="hljs-keyword">from</span> urllib.request <span class="hljs-keyword">import</span> urlretrieve
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<span class="hljs-keyword">with</span> Diagram(<span class="hljs-string">"Custom with remote icons"</span>, show=<span class="hljs-literal">False</span>, filename=<span class="hljs-string">"custom_remote"</span>, direction=<span class="hljs-string">"LR"</span>):
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<span class="hljs-comment"># download the icon image file</span>
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diagrams_url = <span class="hljs-string">"https://github.com/mingrammer/diagrams/raw/master/assets/img/diagrams.png"</span>
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diagrams_icon = <span class="hljs-string">"diagrams.png"</span>
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urlretrieve(diagrams_url, diagrams_icon)
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diagrams = Custom(<span class="hljs-string">"Diagrams"</span>, diagrams_icon)
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<span class="hljs-keyword">with</span> Cluster(<span class="hljs-string">"Some Providers"</span>):
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openstack_url = <span class="hljs-string">"https://github.com/mingrammer/diagrams/raw/master/resources/openstack/openstack.png"</span>
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openstack_icon = <span class="hljs-string">"openstack.png"</span>
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urlretrieve(openstack_url, openstack_icon)
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openstack = Custom(<span class="hljs-string">"OpenStack"</span>, openstack_icon)
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elastic_url = <span class="hljs-string">"https://github.com/mingrammer/diagrams/raw/master/resources/elastic/saas/elastic.png"</span>
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elastic_icon = <span class="hljs-string">"elastic.png"</span>
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urlretrieve(elastic_url, elastic_icon)
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elastic = Custom(<span class="hljs-string">"Elastic"</span>, elastic_icon)
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diagrams >> openstack
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diagrams >> elastic
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</code></pre>
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<p>It will generate the following diagram:</p>
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<p><img src="/img/custom_remote.png" alt="custom local"></p>
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<p>Another example can be found <a href="https://diagrams.mingrammer.com/docs/getting-started/examples#rabbitmq-consumers-with-custom-nodes">Here</a>.</p>
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</span></div></article></div><div class="docLastUpdate"><em>Last updated on 1/5/2021</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/nodes/c4"><span class="arrow-prev">← </span><span>C4</span></a><a class="docs-next button" href="/docs/nodes/gis"><span>GIS</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#custom-with-local-icons">Custom with local icons</a></li><li><a href="#custom-with-remote-icons">Custom with remote icons</a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/diagrams.ico" alt="Diagrams" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/getting-started/installation">Getting Started</a><a href="/docs/guides/diagram">Guides</a><a href="/docs/nodes/aws">Nodes</a></div><div><h5>More</h5><iframe src="https://ghbtns.com/github-btn.html?user=mingrammer&repo=diagrams&type=star&count=true&size=large" frameBorder="0" scrolling="0" width="170" height="30" title="Star mingrammer/diagrams on GitHub"></iframe></div></section><section class="copyright">Copyright © 2025 mingrammer</section></footer></div></body></html> |
