JavaScript/jQuery Diagram Options

$(function() {
    var diagram = $("#diagram").dxDiagram({
        customShapes: [{
            category: "hardware",
            type: "internet",
            title: "Internet",
            backgroundImageUrl: "images/shapes/internet.svg",
            backgroundImageLeft: 0.15,
            backgroundImageTop: 0,
            backgroundImageWidth: 0.7,
            backgroundImageHeight: 0.7,
            defaultWidth: 0.75,
            defaultHeight: 0.75,
            defaultText: "Internet",
            allowEditText: true,
            textLeft: 0,
            textTop: 0.7,
            textWidth: 1,
            textHeight: 0.3,
            connectionPoints: [
                { x: 0.5, y: 0 },
                { x: 0.9, y: 0.5 },
                { x: 0.5, y: 1 },
                { x: 0.1, y: 0.5 }
            ]
        },
        ...
    ],
    toolbox: {
        groups: [{ category: "hardware", title: "Hardware" }]
    }
}).dxDiagram("instance");

<template>
    <DxDiagram
        id="diagram"
        ref="diagram"
    >
        <DxCustomShape
            :category="'hardware'"
            :type="'internet'"
            :title="'Internet'"
            :background-image-url="'images/shapes/internet.svg'"
            :background-image-left="0.15"
            :background-image-top="0"
            :background-image-width="0.7"
            :background-image-height="0.7"
            :default-width="0.75"
            :default-height="0.75"
            :default-text="'Internet'"
            :allow-edit-text="true"
            :text-left="0"
            :text-top="0.7"
            :text-width="1"
            :text-height="0.3"
        >
            <DxConnectionPoint
                :x="0.5"
                :y="0"
            />
            <DxConnectionPoint
                :x="0.9"
                :y="0.5"
            />
            <DxConnectionPoint
                :x="0.5"
                :y="1"
            />
            <DxConnectionPoint
                :x="0.1"
                :y="0.5"
            />
        </DxCustomShape>
        ...
        <DxToolbox :visible="true">
            <DxGroup
                :category="'hardware'"
                :title="'Hardware'"
            />
        </DxToolbox>
    </DxDiagram>
</template>

<script>
import { DxDiagram, DxGroup, DxToolbox, DxCustomShape, DxConnectionPoint } from 'devextreme-vue/diagram';
import 'whatwg-fetch';

export default {
components: {
    DxDiagram, DxGroup, DxToolbox, DxCustomShape, DxConnectionPoint
},
mounted() {
    var diagram = this.$refs['diagram'].instance;
    fetch('data/diagram-hardware.json')
    .then(function(response) {
        return response.json();
    })
    .then(function(json) {
        diagram.import(JSON.stringify(json));
    })
    .catch(function() {
        throw 'Data Loading Error';
    });
}
};
</script>

import React from 'react';
import Diagram, { CustomShape, ConnectionPoint, Group, Toolbox } from 'devextreme-react/diagram';

class App extends React.Component {
constructor(props) {
    super(props);

    this.diagramRef = React.createRef();
}

    render() {
        return (
            <Diagram id="diagram" ref={this.diagramRef}>
                <CustomShape
                    category="hardware"
                    type="internet"
                    title="Internet"
                    backgroundImageUrl="images/shapes/internet.svg"
                    backgroundImageLeft={0.15}
                    backgroundImageTop={0}
                    backgroundImageWidth={0.7}
                    backgroundImageHeight={0.7}
                    defaultWidth={0.75}
                    defaultHeight={0.75}
                    defaultText="Internet"
                    allowEditText={true}
                    textLeft={0}
                    textTop={0.7}
                    textWidth={1}
                    textHeight={0.3}>
                <ConnectionPoint x={0.5} y={0} />
                <ConnectionPoint x={0.9} y={0.5} />
                <ConnectionPoint x={0.5} y={1} />
                <ConnectionPoint x={0.1} y={0.5} />
                </CustomShape>
                ...
                <Toolbox>
                    <Group category="hardware" title="Hardware" />
                </Toolbox>
            </Diagram>
        );
    }
}
export default App;

@(Html.DevExtreme().Diagram()
    .ID("diagram")
    .CustomShapes(cs => {
        cs.Add()
            .Category("hardware")
            .Type("internet")
            .Title("Internet")
            .BackgroundImageUrl("../../Content/Images/shapes/internet.svg")
            .BackgroundImageLeft(0.15)
            .BackgroundImageTop(0)
            .BackgroundImageWidth(0.7)
            .BackgroundImageHeight(0.7)
            .DefaultWidth(1.9)
            .DefaultHeight(1.9)
            .DefaultText("Internet")
            .AllowEditText(true)
            .TextLeft(0)
            .TextTop(0.7)
            .TextWidth(1)
            .TextHeight(0.3)
            .ConnectionPoints(cp => {
                cp.Add().X(0.5).Y(0);
                cp.Add().X(0.9).Y(0.5);
                cp.Add().X(0.5).Y(1);
                cp.Add().X(0.1).Y(0.5);

            });
        ...    
    })
    .Toolbox(tb => tb
        .Groups(g => g.Add().Category("hardware").Title("Hardware"))
    )
)    

$(function(){
    $("#diagramContainer").dxDiagram({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});

<template>
    <DxDiagram ...
        :element-attr="diagramAttributes">
    </DxDiagram>
</template>

<script>
import DxDiagram from 'devextreme-vue/diagram';

export default {
    components: {
        DxDiagram
    },
    data() {
        return {
            diagramAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>

import React from 'react';

import Diagram from 'devextreme-react/diagram';

class App extends React.Component {
    diagramAttributes = {
        id: 'elementId',
        class: 'class-name'
    }

    render() {
        return (
            <Diagram ...
                elementAttr={this.diagramAttributes}>
            </Diagram>
        );
    }
}
export default App;

$(function() {
    $("#diagram").dxDiagram({
        viewUnits: "cm",
        units: "cm",
        gridSize: {
            value: 2,
            items: [1, 2, 3]
        },
        // or
        // gridSize: 2,
    });
});

$(function() {
    $("#diagram").dxDiagram({
        units: "cm",
        pageSize: {
            width: 10,
            height: 10,
        },
    });
});

$(function() {
    $("#diagram").dxDiagram({
        zoomLevel: 0.75,
    });
});