From aaea2442792f46fb4e53d7d90d335d1596b57c4c Mon Sep 17 00:00:00 2001
From: vshcherb <victor.shcherb@gmail.com>
Date: Mon, 23 Mar 2020 17:59:06 +0100
Subject: [PATCH] Update TerrainLayer.java

---
 OsmAnd/src/net/osmand/plus/srtmplugin/TerrainLayer.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/OsmAnd/src/net/osmand/plus/srtmplugin/TerrainLayer.java b/OsmAnd/src/net/osmand/plus/srtmplugin/TerrainLayer.java
index 32325adf50..9db62e83a0 100644
--- a/OsmAnd/src/net/osmand/plus/srtmplugin/TerrainLayer.java
+++ b/OsmAnd/src/net/osmand/plus/srtmplugin/TerrainLayer.java
@@ -61,10 +61,15 @@ public class TerrainLayer extends MapTileLayer {
 		int zoom = tileBox.getZoom();
 		if (zoom >= srtmPlugin.getTerrainMinZoom() && zoom <= srtmPlugin.getTerrainMaxZoom()) {
 			setAlpha(srtmPlugin.getTerrainTransparency());
+			super.onPrepareBufferImage(canvas, tileBox, drawSettings);
+		} else if(zoom > srtmPlugin.getTerrainMaxZoom()) {
+			// backward compatibility 100 -> 20 with overscale
+			setAlpha(srtmPlugin.getTerrainTransparency() / 5);
+			super.onPrepareBufferImage(canvas, tileBox, drawSettings);
 		} else {
-			setAlpha(0);
+			// ignore 
 		}
-		super.onPrepareBufferImage(canvas, tileBox, drawSettings);
+
 	}
 
 	private void indexTerrainFiles(final OsmandApplication app) {