I got four different coordinates that is making a square in the openlayers map. But I want to know if it is possible that instead of breaking the square shape, is it possible to just grab one of the corners and resize (make bigger/smaller) the square?
My coordinates are as follows:
var x_1 = 28.0244307;
var y_1 = -25.8635238;
var x_2 = 28.0244307;
var y_2 = -25.8835238;
var x_3 = 28.0444307;
var y_3 = -25.8835238;
var x_4 = 28.0444307;
var y_4 = -25.8635238;
And then the code to resize it, but it is breaking the square shape:
var coords = [
[x_1, y_1],
[x_2, y_2],
[x_3, y_3],
[x_4, y_4],
[x_1, y_1]
];
var polygon = new ol.geom.Polygon([coords]);
var feature = new ol.Feature(polygon);
polygon.transform('EPSG:4326', 'EPSG:3857');
var vectorSource = this.vectorSource;
vectorSource.addFeature(feature);
var select = new ol.interaction.Select();
var modify = new ol.interaction.Modify({
features: select.getFeatures(),
});
var snap = new ol.interaction.Snap({
source: vectorSource,
});
this.map.addInteraction(select);
this.map.addInteraction(modify);
this.map.addInteraction(snap);
Just create a polygon with your 4 points an use a GeometryFunction in your style to only display the points.
Then use ol-ext ol/interaction/Transform to modify the shape.