react-2d-molecule

@vibbioinfocore/react-2d-molecule is a React component to display molecule structures in a 2D SVG.

Installation

Typescript type definitions are included.

• NPM

npm install @vibbioinfocore/react-2d-molecule

• Yarn

yarn add @vibbioinfocore/react-2d-molecule

Usage

import React from 'react';
import { Molecule } from '@vibbioinfocore/react-2d-molecule';

// Biphenylene
const mol = {
  "width": 9.294,
  "height": 6.0,
  "atoms": [
    { "x": -3.348, "y": -0.75, "element": "C" },
    { "x": -2.049, "y": -1.5, "element": "C" },
    { "x": -0.75, "y": -0.75, "element": "C" },
    { "x": -0.75, "y": 0.75, "element": "C" },
    { "x": -2.049, "y": 1.5, "element": "C" },
    { "x": -3.348, "y": 0.75, "element": "C" },
    { "x": 0.75, "y": 0.75, "element": "C" },
    { "x": 2.049, "y": 1.5, "element": "C" },
    { "x": 3.348, "y": 0.75, "element": "C" },
    { "x": 3.348, "y": -0.75, "element": "C" },
    { "x": 2.049, "y": -1.5, "element": "C" },
    { "x": 0.75, "y": -0.75, "element": "C" },
    { "x": -4.647, "y": -1.5, "element": "H" },
    { "x": -2.049, "y": -3.0, "element": "H" },
    { "x": -2.049, "y": 3.0, "element": "H" },
    { "x": -4.647, "y": 1.5, "element": "H" },
    { "x": 2.049, "y": 3.0, "element": "H" },
    { "x": 4.647, "y": 1.5, "element": "H" },
    { "x": 4.647, "y": -1.5, "element": "H" },
    { "x": 2.049, "y": -3.0, "element": "H" }
  ],
  "bonds": [
    { "atoms": [[3, 6, "UNIMPL" ]] },
    { "atoms": [[11, 2, "SINGLE"]] },
    { "atoms": [[0, 12, "SINGLE"]] },
    { "atoms": [[1, 13, "SINGLE"]] },
    { "atoms": [[4, 14, "SINGLE"]] },
    { "atoms": [[5, 15, "SINGLE"]] },
    { "atoms": [[7, 16, "SINGLE"]] },
    { "atoms": [[8, 17, "SINGLE"]] },
    { "atoms": [[9, 18, "SINGLE"]] },
    { "atoms": [[10, 19, "SINGLE"]] },
    { "atoms": [[0, 1, "SINGLE"],
                [1, 2, "DOUBLE"],
                [2, 3, "SINGLE"],
                [3, 4, "DOUBLE"],
                [4, 5, "SINGLE"],
                [5, 0, "DOUBLE"]], "key": "RING" },
    { "atoms": [[6, 7, "SINGLE"],
                [7, 8, "DOUBLE"],
                [8, 9, "SINGLE"],
                [9, 10, "DOUBLE"],
                [10, 11, "SINGLE"],
                [11, 6, "DOUBLE"]], "key": "RING" }
  ]
};

export const ViewAMolecule = () => <Molecule molecule={mol} />;

This is rendered as:

Component Attributes

Required

• molecule: MoleculeData A description of the molecule to display.

Optional

• translateX: number Translate the whole image on the X axis (default: 0).
• translateY: number Translate the whole image on the Y axis (default: 0).
• scale: number Scale the whole image by some fraction (default: 1).
• width: number The width of the drawing area in pixels (default: 100).
• height: number The height of the drawing area in pixels (default: 100).
• labelTranslateX: number Translate each atom label, in the x direction, by this number of pixels (default: 0).
• labelTranslateY: number Translate each atom label, in the y direction, by this number of pixels (default: 0).
• atomClicked: (index: number) => void A callback function accepting the index of the clicked atom.
• atomLabel: (atom: Atom, index: number) => string A callback function defining the text to display in the label for the given atom.
• atomStyle: (element: string, index: number): React.CSSProperties A hook specifying CSS styles for the SVG <circle>.
• atomLabelStyle: (element: string, index: number): React.CSSProperties A hook specifying CSS styles for the SVG <text>.

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT