yats.git

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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"
	"github.com/pd0mz/go-maidenhead"
	"github.com/uber/h3-go/v4"
	"testing"
)

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)
}

func TestH3Cells(t *testing.T) {
	latLng := h3.NewLatLng(37.775938728915946, -122.41795063018799)
	//resolution := 15 // between 0 (biggest cell) and 15 (smallest cell)

	for i := 0; i < 16; i++ {
		cell := h3.LatLngToCell(latLng, i)
		fmt.Printf("Resolution: %d\t id: %s parent: %s\n", i, cell, cell.Parent(i-1))
	}

	var p = maidenhead.NewPoint(latLng.Lat, latLng.Lng)

	for i := 0; i <= 5; i++ {
		locator, _ := p.Locator(i)
		fmt.Printf("Locator: %s\n", locator)
	}
	// Output:
	// 8928308280fffff
}

func TestH3VertxDistance(t *testing.T) {
	point0 := coordinate{40.690058601, -74.044151762}
	point1 := coordinate{40.689907695, -74.045061792}

	dist := Distance(point0, point1)
	fmt.Printf("distance: %f\n", dist)
}