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working drag for turbine #1

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148 changes: 147 additions & 1 deletion VentusFlowWebGUI/frontend/src/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ import './styles/style.css';
import { Style, Icon, Stroke, RegularShape, Fill, Text } from 'ol/style';
// Point: Zum Erzeugen von Punkt-Geometrien, z. B. für den Pfeilkopf.
import Point from 'ol/geom/Point';
import PointerInteraction from 'ol/interaction/Pointer.js';
import {defaults as defaultInteractions} from 'ol/interaction/defaults.js';
// Definiert einen Icon-Stil für Windturbinen. Dieser Stil kann dann
// auf Punktfeatures angewendet werden, um statt eines einfachen Punktes
// ein Windturbinen-Symbol anzuzeigen.
Expand All @@ -38,6 +40,8 @@ const turbineIconStyle = new Style({
anchor: [0.5, 0.9], // Zentriert horizontal und am unteren Rand verankert
}),
});
const turbineToWake = new Map();
const wakeToTurbine = new Map();

// ======================================================================
// OpenLayers Feature- und POLYGON Geometrie-Klassen
Expand Down Expand Up @@ -147,6 +151,124 @@ let simAreaLayer = null; // Vektorlayer für Simulationsgebiet
// Karten- und Zeichenebenen-Erstellung
// ======================================================================

// Drag Interaction

class Drag extends PointerInteraction {
constructor() {
super({
handleDownEvent: handleDownEvent,
handleDragEvent: handleDragEvent,
handleMoveEvent: handleMoveEvent,
handleUpEvent: handleUpEvent,
});

/**
* @type {import('ol/coordinate.js').Coordinate}
* @private
*/
this.coordinate_ = null;

/**
* @type {string|undefined}
* @private
*/
this.cursor_ = 'pointer';

/**
* @type {Feature}
* @private
*/
this.feature_ = null;

/**
* @type {string|undefined}
* @private
*/
this.previousCursor_ = undefined;
}
}

/**
* @param {import('ol/MapBrowserEvent.js').default} evt Map browser event.
* @return {boolean} `true` to start the drag sequence.
*/
function handleDownEvent(evt) {

const map = evt.map;


const feature = map.forEachFeatureAtPixel(evt.pixel, function (feature) {
return feature;
});

if (feature) {
this.coordinate_ = evt.coordinate;
this.feature_ = feature;
}

return !!feature;
}

/**
* @param {import('ol/MapBrowserEvent.js').default} evt Map browser event.
*/
function handleDragEvent(evt) {
const deltaX = evt.coordinate[0] - this.coordinate_[0];
const deltaY = evt.coordinate[1] - this.coordinate_[1];

const geometry = this.feature_.getGeometry();
geometry.translate(deltaX, deltaY);
const currType = this.feature_.get("type");

const id = this.feature_.getId()

const relatedFeature = currType === "circle"
? wakeSource.getFeatureById(id)
: currType === "wake"
? sphereRadiusSource.getFeatureById(id)
: null;

const relatedGeometry = relatedFeature.getGeometry();
relatedGeometry.translate(deltaX, deltaY);

this.coordinate_[0] = evt.coordinate[0];
this.coordinate_[1] = evt.coordinate[1];

}

/**
* @param {import('ol/MapBrowserEvent.js').default} evt Event.
*/
function handleMoveEvent(evt) {
if (this.cursor_) {
const map = evt.map;
const feature = map.forEachFeatureAtPixel(evt.pixel, function (feature) {
return feature;
});
const element = evt.map.getTargetElement();

if (feature) {
const id = feature.getId();
if (element.style.cursor != this.cursor_) {
this.previousCursor_ = element.style.cursor;
element.style.cursor = this.cursor_;
}
} else if (this.previousCursor_ !== undefined) {
element.style.cursor = this.previousCursor_;
this.previousCursor_ = undefined;
}
}
}

/**
* @return {boolean} `false` to stop the drag sequence.
*/
function handleUpEvent() {
this.coordinate_ = null;
this.feature_ = null;
return false;
}

/**
* Erstellt die Basiskarte
*/
Expand All @@ -155,6 +277,7 @@ function erstelleKarte() {
source: new OSM(),
});
const karte = new Map({
interactions: defaultInteractions().extend([new Drag()]),
target: 'map',
layers: [rasterLayer],
view: new View({
Expand All @@ -166,6 +289,12 @@ function erstelleKarte() {
}
const map = erstelleKarte();


const uid = function(){
return Date.now().toString(36) + Math.random().toString(36).substr(2);
}


/**
* Erstellt die Zeichenebenen für die gezeichneten Features
*/
Expand Down Expand Up @@ -591,6 +720,9 @@ function hinzufuegenZeichenInteraktion(formTyp) {
event.feature.setProperties(turbineParams);
// Für Punkte: Füge sie hinzu, ohne currentShape zu überschreiben.
event.feature.setStyle(null); // Damit der Layer-Stil greift
// For each wind turbine, it is given an ID to match their according wake region
event.feature.setId(uid());
event.feature.set("type","turbine");

// Sicherstellen, dass der Punkt im Source ist, bevor wir die Layer aktualisieren
// Kleine Verzögerung, um sicherzustellen, dass wake und sphere aktualisiert werden
Expand Down Expand Up @@ -1028,6 +1160,7 @@ function updateWakeLayer() {

pointFeatures.forEach(pointFeature => {
const coord = pointFeature.getGeometry().getCoordinates();
const id = pointFeature.getId();
// Get the rotorRadius from the feature’s properties
const rotorRadius = pointFeature.get("rotorRadius");
// Create the wake rectangle using the turbine’s rotorRadius
Expand All @@ -1036,6 +1169,11 @@ function updateWakeLayer() {
const wakeFeature = new Feature({
geometry: wakeRect
});

if(!wakeFeature.getId()){
wakeFeature.setId(id);
wakeFeature.set("type","wake");
}
wakeSource.addFeature(wakeFeature);
});
}
Expand Down Expand Up @@ -1091,8 +1229,16 @@ function updateSphereRadiusLayer() {
const circleFeature = new Feature({
geometry: circlePolygon
});


const id = pointFeature.getId();
if(!circleFeature.getId()){
circleFeature.setId(id);
circleFeature.set("type","circle");
}
sphereRadiusSource.addFeature(circleFeature);
const wake = wakeSource.getFeatureById(id);
wakeToTurbine.set(wake,circleFeature);
turbineToWake.set(pointFeature,wake);
});

console.log(`SphereRadiusLayer aktualisiert: ${pointFeatures.length} Kreise mit Radius ${sphereRadiusValue}m gezeichnet.`);
Expand Down