From 848dcf21bc3e02ddf987df18cd8a83285c238b7b Mon Sep 17 00:00:00 2001
From: tengge1 <930372551@qq.com>
Date: Sun, 14 Apr 2019 14:00:04 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=A4=A7=E6=9C=80=E8=BF=9C=E8=B7=9D?=
 =?UTF-8?q?=E7=A6=BB=E3=80=82?=
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---
 ShadowEditor.Web/src/gis/Globe.js            | 2 +-
 ShadowEditor.Web/src/gis/view/OrbitViewer.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ShadowEditor.Web/src/gis/Globe.js b/ShadowEditor.Web/src/gis/Globe.js
index 4b5e3125..23780c56 100644
--- a/ShadowEditor.Web/src/gis/Globe.js
+++ b/ShadowEditor.Web/src/gis/Globe.js
@@ -46,7 +46,7 @@ function Globe(camera, renderer, options = {}) {
     // 默认位置
     var lon = 0;
     var lat = 0;
-    var alt = GeoUtils.zoomToAlt(0);
+    var alt = GeoUtils.zoomToAlt(-1);
     this.viewer.setPosition(lon, lat, alt);
 }
 
diff --git a/ShadowEditor.Web/src/gis/view/OrbitViewer.js b/ShadowEditor.Web/src/gis/view/OrbitViewer.js
index 12a0ef3d..acbd1ed8 100644
--- a/ShadowEditor.Web/src/gis/view/OrbitViewer.js
+++ b/ShadowEditor.Web/src/gis/view/OrbitViewer.js
@@ -130,9 +130,9 @@ OrbitViewer.prototype.onMouseWheel = function () {
 
         var d = delta * (distance - WGS84.a) / 1000;
 
-        var d0 = GeoUtils.zoomToAlt(0) + WGS84.a;
+        var d_1 = GeoUtils.zoomToAlt(-1) + WGS84.a;
 
-        if (distance + d >= d0) { // 最远0层级距离
+        if (distance + d >= d_1) { // 最远0层级距离
             d = 0;
         }