yats.git

ref: 54fdccc6baacf55ef83fbdaa4cd40c2d1eb2d018

server/geo/distances_test.go


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/**
 * Yats - yats
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Paolo Lulli <kevwe.com>
 * @copyright Paolo Lulli 2024
 */

package geo

import (
	"fmt"
	"testing"

	"github.com/pd0mz/go-maidenhead"
)

func TestDistance(t *testing.T) {
	winnipeg := coordinate{49.895077, -97.138451}
	regina := coordinate{50.445210, -104.618896}

	result := Distance(winnipeg, regina)

	fmt.Printf("%f\n", result)
}

func TestGenerateAllNodes(t *testing.T) {
	for lon := -180; lon <= 180; lon += 10 {
		for lat := -90; lat <= 90; lat += 10 {
			fmt.Printf("Lon: %d Lat: %d\n", lon, lat)
		}
		fmt.Printf("")
		//	lon += 10
	}
}

func TestMaidenHead(t *testing.T) {
	point := coordinate{0, 0}

	var p = maidenhead.NewPoint(point.lat, point.lon)

	locator, _ := p.Locator(3)
	fmt.Printf("Locator: %s\n", locator)

	var centerOfMaidenHead, _ = maidenhead.ParseLocatorCentered(locator)

	fmt.Printf("long: %f lat: %f", centerOfMaidenHead.Longitude, centerOfMaidenHead.Latitude)

	d := Distance(coordinate{centerOfMaidenHead.Latitude, centerOfMaidenHead.Longitude}, point)

	fmt.Printf("Distance from maidenhead center: %f", d)
}