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Top 10 Examples of "proj4 in functional component" in JavaScript

Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'proj4' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.

// Tests Measurement
///////////////////////////////////////////
proj4(epsg['4269'], epsg['4326'], point1)
proj4(epsg['4269'], point1)
proj4(epsg['4269'], epsg['4326']).forward(point2)
proj4(epsg['4269'], epsg['4326']).inverse(point2)

///////////////////////////////////
// Named Projections
///////////////////////////////////
proj4.defs('WGS84', epsg['4326'])
proj4.defs([
  ['EPSG:4326', epsg['4326']],
  ['EPSG:4269', epsg['4269']]
])
proj4.defs('urn:x-ogc:def:crs:EPSG:4326', proj4.defs('EPSG:4326'))

///////////////////////////////////
// Utils
///////////////////////////////////
// WGS84
proj4.WGS84

// Proj
proj4.Proj('WGS84')

// toPoint
proj4.toPoint([1, 2])
proj4.toPoint([1, 2, 3])
proj4.toPoint([1, 2, 3, 4])

// Point
///////////////////////////////////
proj4.defs('WGS84', epsg['4326'])
proj4.defs([
  ['EPSG:4326', epsg['4326']],
  ['EPSG:4269', epsg['4269']]
])
proj4.defs('urn:x-ogc:def:crs:EPSG:4326', proj4.defs('EPSG:4326'))

///////////////////////////////////
// Utils
///////////////////////////////////
// WGS84
proj4.WGS84

// Proj
proj4.Proj('WGS84')

// toPoint
proj4.toPoint([1, 2])
proj4.toPoint([1, 2, 3])
proj4.toPoint([1, 2, 3, 4])

// Point
// WARNING: Deprecated in v3
proj4.Point([1, 2, 3, 4])
///////////////////////////////////
// Named Projections
///////////////////////////////////
proj4.defs('WGS84', epsg['4326'])
proj4.defs([
  ['EPSG:4326', epsg['4326']],
  ['EPSG:4269', epsg['4269']]
])
proj4.defs('urn:x-ogc:def:crs:EPSG:4326', proj4.defs('EPSG:4326'))

///////////////////////////////////
// Utils
///////////////////////////////////
// WGS84
proj4.WGS84

// Proj
proj4.Proj('WGS84')

// toPoint
proj4.toPoint([1, 2])
proj4.toPoint([1, 2, 3])
proj4.toPoint([1, 2, 3, 4])

// Point
// WARNING: Deprecated in v3
proj4.Point([1, 2, 3, 4])
['EPSG:4326', epsg['4326']],
  ['EPSG:4269', epsg['4269']]
])
proj4.defs('urn:x-ogc:def:crs:EPSG:4326', proj4.defs('EPSG:4326'))

///////////////////////////////////
// Utils
///////////////////////////////////
// WGS84
proj4.WGS84

// Proj
proj4.Proj('WGS84')

// toPoint
proj4.toPoint([1, 2])
proj4.toPoint([1, 2, 3])
proj4.toPoint([1, 2, 3, 4])

// Point
// WARNING: Deprecated in v3
proj4.Point([1, 2, 3, 4])
// Utils
///////////////////////////////////
// WGS84
proj4.WGS84

// Proj
proj4.Proj('WGS84')

// toPoint
proj4.toPoint([1, 2])
proj4.toPoint([1, 2, 3])
proj4.toPoint([1, 2, 3, 4])

// Point
// WARNING: Deprecated in v3
proj4.Point([1, 2, 3, 4])
function computeProjectionWithGeoTag(obj, projection_records) {
//    console.log("record is", record);
    let projection = {
      codes : {},
      got_projection : false,
      convert_to_wgs84 : null,
      target_proj : proj4.defs('EPSG:4326'),
      convert_elevation_to_meters : function(value) { return value; },
      convert_linear_to_meters : function(value) { return value; }
    };
    let geokey = new models.GeoKey(projection_records);
    projection.geokey = geokey;
    //get the EPSG code held in key 3072 or throw an error because this file lacks common decency.
    //See http://gis.stackexchange.com/questions/173111/converting-geotiff-projection-definition-to-proj4
    //todo: other projection options.
    //http://www.remotesensing.org/geotiff/spec/geotiff6.html#6.3.3.1
    let epsg_code;
    //check for Unit code
    if (geokey.has_epsg_projection) {
        epsg_code = String(epsg[String(geokey.epsg_projection_code)]);
        if (epsg_code && epsg_code !== "unknown") {
            projection.epsg_proj4 = epsg_code;
            projection.epsg_datum = geokey.epsg_projection_code;
var   contour           = mapProperties && mapProperties.contour !== undefined ? mapProperties.contour : 'borda'
    var   color             = 'preto'
    let imageBounds         = mapProperties && mapProperties.currentCoordinates !== undefined ? mapProperties.currentCoordinates.bounds : null

    const regionStyle       = `plataforma:busca_regiao_${contour}_${color}`

    if (placeToCenter) {
        bounds = placeToCenter.geom.split(',')

        var west = parseInt(bounds[0])
        var east = parseInt(bounds[2])
        var south = parseInt(bounds[3])
        var north = parseInt(bounds[1])

        var prj1 = Proj4(firstProjection, secondProjection, [east, south])
        var prj2 = Proj4(firstProjection, secondProjection, [west, north])
        bounds = [[prj1[1], prj2[0]], [prj2[1], prj1[0]]]
    } else if (googleSearchCoord) {
        bounds = googleSearchCoord
    }

    var CQL_FILTER

    // This function gets the code to fill CQL filter
    const getCode = place => {
        var cd
        var operator = ' = '
        if (contour === 'opaco') {
            operator = ' <> '
        }
        switch (place.tipo) {
            case 'CRAAI':
componentDidMount() {
    // LISTEN FOR MAP TO MOUNT
    window.emitter.addListener("mapLoaded", () => this.onMapLoad());

    // DISABLE PROPERTY CLICK
    window.disableParcelClick = true;

    // REGISTER MAP EVENTS
    this.onPointerMoveEvent = window.map.on("pointermove", this.onPointerMoveHandler);
    this.onMapClickEvent = window.map.on("click", this.onMapClick);
    this.onMapMoveEvent = window.map.on("moveend", this.onMapMoveEnd);

    // REGISTER CUSTOM PROJECTIONS
    proj4.defs([
      ["EPSG:26917", "+proj=utm +zone=17 +ellps=GRS80 +datum=NAD83 +units=m +no_defs "],
      ["EPSG:26717", "+proj=utm +zone=17 +ellps=clrk66 +datum=NAD27 +units=m +no_defs "]
    ]);
    register(proj4);

    // INITIAL EXTENT
    this.updateExtent();
  }
import Projection from "ol/proj/Projection.js";
import proj4 from "proj4";
import { register } from "ol/proj/proj4";
import { fromLonLat } from "ol/proj";
import { getVectorContext } from "ol/render";

//OTHER
import { parseString } from "xml2js";
import shortid from "shortid";
import ShowMessage from "./ShowMessage.jsx";
import URLWindow from "./URLWindow.jsx";
import mainConfig from "../config.json";
import { InfoRow } from "./InfoRow.jsx";

// REGISTER CUSTOM PROJECTIONS
proj4.defs([["EPSG:26917", "+proj=utm +zone=17 +ellps=GRS80 +datum=NAD83 +units=m +no_defs "]]);
register(proj4);

// UTM NAD 83
const _nad83Proj = new Projection({
  code: "EPSG:26917",
  extent: [194772.8107, 2657478.7094, 805227.1893, 9217519.4415]
});

// APP STAT
export function addAppStat(type, description) {
  if (mainConfig.includeAppStats === false) return;

  // IGNORE LOCAL HOST DEV
  if (window.location.hostname === "localhost" || window.location.hostname === "127.0.0.1") return;

  const appStatsTemplate = (type, description) => `${mainConfig.appStatsUrl}opengis/${type}/${description}`;
this.is_laz = false;
        this.check_laz = false;
        this.check_classification_lookup = false;
        this.has_classification_lookup_table = false;
        if (options) {
            this.point_record_options.transform_lnglat = options.transform_lnglat === false ? false : true; // raw | scaled | wgs
            this.point_record_options.parse_full_point_record = options.parse_full_point_record || false;
            if (options.filter) {
                //include a filter;;
            }
            if (options.projection && options.projection.epsg_datum) {
                let epsg_code = epsg[String(options.projection.epsg_datum)];
                this.projection = {
                    epsg_datum :  options.projection.epsg_datum,
                    epsg_code : epsg_code,
                    convert_to_wgs84 : new proj4(epsg_code, proj4.defs('EPSG:4326')),
                    convert_elevation_to_meters  : function(value) { return value }
                };
                //igore VLR projection data and use this one instead.
                this.got_projection = true;
            }
        }
    }
    _transform(data, encoding, callback) {

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