Embed Data Inspector into HTML

The Data Inspector Library provides a set of components packed into the Data Inspector bundle that allow you to embed the Data Inspector into a pure HTML+JavaScript single-page application without compilation and additional installations. Hosted on the HERE platform, the bundle is built with the Data Inspector Library components.

To view a working implementation of the HTML-embedded Data Inspector functionality, see the HTML+JS single page application example application in the Data Inspector Library examples.

Build a Sample Web App

The instructions below explain how you can easily integrate a Data Inspector bundle into your web page.

To integrate the Data Inspector bundle into your web page, you need the following:

Stable Internet connection
Valid platform credentials
Data Inspector bundle
Simple HTML web page hosted and running on a local or remote web server
three.min.js file, a copy of the Three.JS library, that can be downloaded from GitHub

The Data Inspector bundle is distributed as:

js/data-inspector-bundle.js: The Data Inspector bundle
js/data-inspector-decoder-bundle.js: The decoders bundle
js/vendors-bundle.js: The bundle with third-party dependencies
js/monaco-editor/editor.worker.bundle.js: The bundle with the Monaco Editor (required for the GeoJSON Plugin Editor)
js/monaco-editor/ts.worker.bundle.js: The bundle with the Monaco Editor (required for the GeoJSON Plugin Editor)
resources: the folder containing the necessary images and fonts
LICENSE
HERE_NOTICE: The file with license notices of third-party dependencies
README.md

To build a sample web app:

Create an empty folder for your web app.
Download the Data Inspector bundle archive from the portal.
Unzip the contents of the bundle's root folder into the document root.
Download the Three.js library archive. The Data Inspector Library uses Three.js version 0.127.

Copy the three.min.js file into your js folder.

As a result, your website file structure should look like below:

resources/
   ...
   resources files
   ...
js/
   monaco-editor/
      editor.worker.bundle.js
      ts.worker.bundle.js
   three.min.js
   vendors-bundle.js
   data-inspector-bundle.js
   data-inspector-decoder-bundle.js

Create an index.html file in the root directory. At the end of the page's <body> tag, include the following:
```
<script src="./js/three.min.js"></script>
<script src="./js/vendors-bundle.js"></script>
<script src="./js/data-inspector-bundle.js"></script>
```
Note

All Data Inspector Library components are exposed through the DI object.
Create a container element for DataInspector (the top-level component of the Data Inspector Library) and place it before the script tags:
```
<div id="map-here"></div>
```

Add fonts to <head>:

<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="prefetch" href="https://fonts.googleapis.com/css2?family=Fira+Mono:wght@400;500;700&display=swap" as="style">
<link rel="prefetch" href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@300;400;500;700&display=swap" as="style">
<link href="https://fonts.googleapis.com/css2?family=Fira+Mono:wght@400;500;700&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@300;400;500;700&display=swap" rel="stylesheet">

Add styles to <head>:

<style>
    body {
        margin: 0;
    }

    #map-here {
        box-sizing: border-box;
        width: 100vw;
        height: 100vh;
        padding: 5vh 5vw;
    }

    #map-here.full-screen {
        padding: 0;
        width: 100%;
        height: 100%;
    }
</style>

Create an instance of DataInspector:

<script type="text/javascript">
    var basicConfig = {
        lookupServiceEnvironment: DI.LookupEnvironment.HERE,
        mapView: {
            decoder: {
               url: "./js/data-inspector-decoder-bundle.js"
            },
            theme:
                "./resources/normal.reduced.night.json"
       },
        monacoEditorWorkersBasePath: "./js/monaco-editor",
        widgets: {
            authForm: {
                accessKeyForm: true,
                localAuthForm: true
            }
        },
        toolbar: {
            languageSelector: true
        }
    };
    var customDataRenderingConfig = {
        enableCoverage: true,
        enableFiltering: true,
        enableInfoPanel: true,
        enableExtendedCoverage: true,
        interactiveDataSource: {
            hrn: "hrn:here:data::olp-here:rib-2",
            layer: "topology-geometry"
        }
    };
    new DI.DataInspector(
        basicConfig,
        document.getElementById("map-here"),
        customDataRenderingConfig
    );
</script>

To see how it works, copy and paste the full sample HTML code below into the index.html file we created in the previous steps:

<head>
    <meta charset="utf-8">
    <title>Data Inspector</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link rel="prefetch" href="https://fonts.googleapis.com/css2?family=Fira+Mono:wght@400;500;700&display=swap" as="style">
    <link rel="prefetch" href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@300;400;500;700&display=swap" as="style">
    <link href="https://fonts.googleapis.com/css2?family=Fira+Mono:wght@400;500;700&display=swap" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@300;400;500;700&display=swap" rel="stylesheet">
    <style>
        body {
            margin: 0;
        }

        #map-here {
            box-sizing: border-box;
            width: 100vw;
            height: 100vh;
            padding: 5vh 5vw;
        }

        #map-here.full-screen {
            padding: 0;
            width: 100%;
            height: 100%;
        }
    </style>
</head>

<body>
    <div id="map-here"></div>

    <script src="./js/three.min.js"></script>
    <script src="./js/vendors-bundle.js"></script>
    <script src="./js/data-inspector-bundle.js"></script>

    <script type="text/javascript">
        var basicConfig = {
            lookupServiceEnvironment: DI.LookupEnvironment.HERE,
            mapView: {
                decoder: {
                    url: "./js/data-inspector-decoder-bundle.js"
                },
                theme:
                    "./resources/normal.reduced.night.json"
            },
            monacoEditorWorkersBasePath: "./js/monaco-editor",
            widgets: {
                authForm: {
                    accessKeyForm: true,
                    localAuthForm: true
                }
            },
            toolbar: {
                languageSelector: true
            }
        };
        var customDataRenderingConfig = {
            enableCoverage: true,
            enableFiltering: true,
            enableInfoPanel: true,
            enableExtendedCoverage: true,
            interactiveDataSource: {
                hrn: "hrn:here:data::olp-here:rib-2",
                layer: "topology-geometry"
            }
        };
        new DI.DataInspector(
            basicConfig,
            document.getElementById("map-here"),
            customDataRenderingConfig
        );
    </script>
</body>

To run the app on a local web server, install a stable version of NodeJS.
Serve the contents of the folder using a local web server:
```
npx serve
```
Use the address in the console output to run the web app locally. Usually, it is http://localhost:5000.
Use your platform credentials to connect to the platform:

As a result, you should see the following:

Figure 1. Single-page application with platform data visualization

For this sample code to run properly, you should do the following:

Verify the names of all included .js files.
Specify the HERE Resource Name (hrn) of your platform catalog and the name of the layer (layer) you want to visualize.
Connect to the platform using your client access token or platform credentials (the here.access.key.id + here.access.key.secret pair).

License

All license conditions and limitations are described in the LICENSE.md and HERE_NOTICE.md files distributed with the Data Inspector JavaScript files.

Embed Data Inspector into HTML

Embed Data Inspector into HTML

Build a Sample Web App

Note

License

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