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Diffstat (limited to 'sdnr/wt/odlux/apps/networkMapApp/src/utils/mapUtils.ts')
| -rw-r--r-- | sdnr/wt/odlux/apps/networkMapApp/src/utils/mapUtils.ts | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/sdnr/wt/odlux/apps/networkMapApp/src/utils/mapUtils.ts b/sdnr/wt/odlux/apps/networkMapApp/src/utils/mapUtils.ts deleted file mode 100644 index da3e97ee3..000000000 --- a/sdnr/wt/odlux/apps/networkMapApp/src/utils/mapUtils.ts +++ /dev/null @@ -1,146 +0,0 @@ -/** - * ============LICENSE_START======================================================================== - * ONAP : ccsdk feature sdnr wt odlux - * ================================================================================================= - * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property. All rights reserved. - * ================================================================================================= - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except - * in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the License - * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express - * or implied. See the License for the specific language governing permissions and limitations under - * the License. - * ============LICENSE_END========================================================================== - */ - -const EARTHRADIUSM = 6378137; - -type updatedCoordinates = { south: number, west: number, north: number, east: number }; - - -export const increaseBoundingBox = (map: mapboxgl.Map) =>{ - - const bbox = map.getBounds(); - - const distance = map.getCenter().distanceTo(bbox.getNorthEast()); // radius of visible area (center -> corner) (in meters) - - //calculate new boundingBox - const increasedBoundingBox = addDistance(bbox.getSouth(), bbox.getWest(), bbox.getNorth(), bbox.getEast(), (distance / 1000) / 2); - return increasedBoundingBox; -} - - - -export const addDistance = (south: number, west: number, north: number, east: number, distanceKm: number): updatedCoordinates => { - - const distanceInM = distanceKm * 1000; - - const dLat = distanceInM / EARTHRADIUSM; - const dLon = distanceInM / (EARTHRADIUSM * Math.cos(Math.PI * (north + south) / 360)); - - const latOffset = dLat * 180 / Math.PI; - const lonOffset = dLon * 180 / Math.PI; - - const newEast = checkLongitude(east + lonOffset); - const newWest = checkLongitude(west - lonOffset); - const newNorth = checkLatitude(north + latOffset); - const newSouth = checkLatitude(south - latOffset); - - return { east: newEast, north: newNorth, south: newSouth, west: newWest }; - -} - - -//taken from https://www.movable-type.co.uk/scripts/latlong.html -export const calculateMidPoint = (lat1: number, lon1: number, lat2: number, lon2: number) =>{ - - const dLon = degrees_to_radians(lon2 - lon1); - - //convert to radians - lat1 = degrees_to_radians(lat1); - lat2 = degrees_to_radians(lat2); - lon1 = degrees_to_radians(lon1); - - const Bx = Math.cos(lat2) * Math.cos(dLon); - const By = Math.cos(lat2) * Math.sin(dLon); - const lat3 = Math.atan2(Math.sin(lat1) + Math.sin(lat2), Math.sqrt((Math.cos(lat1) + Bx) * (Math.cos(lat1) + Bx) + By * By)); - const lon3 = lon1 + Math.atan2(By, Math.cos(lat1) + Bx); - - return [radians_to_degrees(lon3), radians_to_degrees(lat3)]; -} - - -export const LatLonToDMS = (value:number, isLon:boolean=false) =>{ - const absoluteValue = Math.abs(value); - const d = Math.floor(absoluteValue); - const m = Math.floor((absoluteValue -d)* 60); - const s = (absoluteValue - d - m / 60 ) * 3600; - const dms=`${d}° ${m}' ${s.toFixed(2)}"` - - const sign = Math.sign(value); - - if(isLon){ - return (sign === -1 || sign === -0 ) ? dms + " W" : dms + " E"; - }else{ - return (sign === -1 || sign === -0 ) ? dms + " S" : dms + " N"; - } -} - -// Because features come from tiled vector data, feature geometries may be split -// or duplicated across tile boundaries and, as a result, features may appear -// multiple times in query results. - -//taken from https://docs.mapbox.com/mapbox-gl-js/example/filter-features-within-map-view/ - -export const getUniqueFeatures = (array: mapboxgl.MapboxGeoJSONFeature[], comparatorProperty:string) =>{ - var existingFeatureKeys: any = {}; - - var uniqueFeatures = array.filter(function(el) { - if (existingFeatureKeys[el.properties![comparatorProperty]]) { - return false; - } else { - existingFeatureKeys[el.properties![comparatorProperty]] = true; - return true; - } - }); - - return uniqueFeatures; - } - -const radians_to_degrees = (radians:number) =>{ - - var pi = Math.PI; - return radians * (180/pi); -} - - const degrees_to_radians = (degrees: number) => - { - return degrees * (Math.PI/180); - } - - -const checkLatitude = (lat: number) => { - - if (lat > 90) - return 90; - else if (lat < -90) - return -90; - else - return lat; - -} - -const checkLongitude = (lon: number) => { - if (lon > 180) - return 180; - else if (lon < -180) - return -180; - else - return lon; -} - - - |