rpc debug

pkg/producer/grid_img.go

@@ -14,7 +14,7 @@ func gridImage2(m, n, height, width, k, hmin, hmax int) []*GridPoint {
 
 	b := int((width) / (n))
 	var samples []int
-	for i := 1; i <= n; i++ {
+	for i := 0; i <= n; i++ {
 		samples = append(samples, b*i)
 	}
 
@@ -22,7 +22,7 @@ func gridImage2(m, n, height, width, k, hmin, hmax int) []*GridPoint {
 	hmin = hmin - 500
 	dh := (hmax - hmin) / (k)
 	var h []int
-	for i := 1; i <= k; i++ {
+	for i := 0; i <= k; i++ {
 		h = append(h, hmin+dh*i)
 	}