package producer

import "starwiz.cn/sjy01/image-proc/pkg/config"

type GridPoint struct {
	Row, Col, H int
}

// 网格点要覆盖边界，甚至大于边界
func gridImage2(m, n, height, width, k, hmin, hmax int) []*GridPoint {
	a := int((height) / (m))
	var lines []int
	for i := 0; i <= m; i++ {
		lines = append(lines, a*i)
	}

	b := int((width) / (n))
	var samples []int
	for i := 0; i <= n; i++ {
		samples = append(samples, b*i)
	}

	hmax = (hmax+hmin)/2.0 + config.GCONFIG.RPC.AltitudeRange/2
	hmin = (hmax+hmin)/2.0 - config.GCONFIG.RPC.AltitudeRange/2
	dh := (hmax - hmin) / (k)

	var h []int
	for i := 1; i <= k; i++ {
		h = append(h, hmin+dh*i)
	}

	var points []*GridPoint
	for l := 0; l < len(h); l++ {
		for i := 0; i < len(lines); i++ {
			for j := 0; j < len(samples); j++ {
				p := GridPoint{lines[i], samples[j], h[l]}
				points = append(points, &p)
			}
		}
	}

	return points
}