diff --git a/ComponentBasic/ComponentBasic.vcxproj b/ComponentBasic/ComponentBasic.vcxproj
index 579a290..86ba03e 100644
--- a/ComponentBasic/ComponentBasic.vcxproj
+++ b/ComponentBasic/ComponentBasic.vcxproj
@@ -37,7 +37,7 @@
   </ImportGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'" Label="QtSettings">
     <QtInstall>5.12.11_msvc2017_64</QtInstall>
-    <QtModules>core</QtModules>
+    <QtModules>core;gui</QtModules>
     <QtBuildConfig>debug</QtBuildConfig>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'" Label="QtSettings">
@@ -60,7 +60,7 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
-    <IncludePath>$(SolutionDir)SimsBasic;$(SolutionDir)MessageBasic;$(IncludePath)</IncludePath>
+    <IncludePath>$(SolutionDir)SimsBasic;$(SolutionDir)MessageBasic;$(SolutionDir)StandardGlobe;$(IncludePath)</IncludePath>
     <LibraryPath>$(SolutionDir)$(Platform)\$(Configuration);$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
diff --git a/MessageBasic/MessageBasic.vcxproj b/MessageBasic/MessageBasic.vcxproj
index 1e52966..c3ba860 100644
--- a/MessageBasic/MessageBasic.vcxproj
+++ b/MessageBasic/MessageBasic.vcxproj
@@ -37,7 +37,7 @@
   </ImportGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'" Label="QtSettings">
     <QtInstall>5.12.11_msvc2017_64</QtInstall>
-    <QtModules>core</QtModules>
+    <QtModules>core;gui</QtModules>
     <QtBuildConfig>debug</QtBuildConfig>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'" Label="QtSettings">
diff --git a/MessageBasic/messagebasic.h b/MessageBasic/messagebasic.h
index 05bb00a..e9b09ec 100644
--- a/MessageBasic/messagebasic.h
+++ b/MessageBasic/messagebasic.h
@@ -1,8 +1,8 @@
 #pragma once
 
 #include "messagebasic_global.h"
-#include "simsbasic.h"
-#include "standardglobe.h"
+#include <simsbasic.h>
+#include <standardglobe.h>
 
 #define NAME(v) #v
 #define DOUBLE_SAVE(u) obj[NAME(u)] = u
diff --git a/StandardGlobe/StandardGlobe.vcxproj b/StandardGlobe/StandardGlobe.vcxproj
index e98440f..a91c0de 100644
--- a/StandardGlobe/StandardGlobe.vcxproj
+++ b/StandardGlobe/StandardGlobe.vcxproj
@@ -37,7 +37,7 @@
   </ImportGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'" Label="QtSettings">
     <QtInstall>5.12.11_msvc2017_64</QtInstall>
-    <QtModules>core;3dcore;3danimation;3dextras;3dinput;3dlogic;3drender</QtModules>
+    <QtModules>core;gui</QtModules>
     <QtBuildConfig>debug</QtBuildConfig>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'" Label="QtSettings">
diff --git a/StandardGlobe/standardglobe.cpp b/StandardGlobe/standardglobe.cpp
index 6ff891b..7d1438d 100644
--- a/StandardGlobe/standardglobe.cpp
+++ b/StandardGlobe/standardglobe.cpp
@@ -1,5 +1,6 @@
 #include "standardglobe.h"
 #include <cmath>
+#include <QVector3D>
 
 double StandardGlobe::_radius_m = 65000000;
 #define PI 3.14159265354
@@ -95,7 +96,70 @@ void StandardGlobe::getTargetLLAWithDistance(const LLAPos& base, double dist, do
 	target = ecefToLLA(sv);
 }
 
+PolarPos StandardGlobe::getPolarWithLLA(const LLAPos& base, const LLAPos& target)
+{
+	// ecef矢量
+	auto vec_base = llaToEcef(base).getVec3();
+	auto vec_target = llaToEcef(target).getVec3();
+	auto vec_bn = vec_base.normalized();
+	auto vec_tn = vec_target.normalized();
+
+	// 目标平面法线矢量
+	auto vec_vn = QVector3D::crossProduct(vec_bn, vec_tn).normalized();
+	// 目标平面切线矢量
+	auto vec_hn = QVector3D::crossProduct(vec_vn, vec_bn).normalized();
+
+	// 初始方位角cos值
+	auto cos_angle = QVector3D::dotProduct(vec_hn, QVector3D(0, 0, 1));
+	auto angle = acos(cos_angle);
+
+	// 180°校验
+	auto flag_vec = QVector3D::crossProduct(vec_hn, QVector3D(0, 0, 1)).normalized();
+	if (vec_bn.z() * flag_vec.z() < 0)
+		angle = 2 * PI - angle;
+
+	// 返回方位角
+	auto azi_deg = rad2d(angle);
+
+	// 视线矢量
+	auto vec_bt = vec_target - vec_base;
+	auto vec_btn = vec_bt.normalized();
+	auto cos_pitch = QVector3D::dotProduct(vec_hn, vec_btn);
+	auto pit_deg = rad2d(acos(cos_pitch));
+
+	PolarPos p;
+	p._azimuth_deg = azi_deg;
+	p._pitch_deg = pit_deg;
+	p._dist_m = vec_bt.length();
+	return p;
+}
+
+LLAPos StandardGlobe::getLLAWithPolar(const LLAPos& base, const PolarPos& target)
+{
+	auto ecef_b = llaToEcef(base).getVec3();
+	auto u_azi = QQuaternion(-deg2a(target._azimuth_deg), ecef_b.normalized());
+
+	auto vec_ts = u_azi.rotatedVector(QVector3D(0,0,1)).normalized();
+	auto axis_pitch = QVector3D::crossProduct(vec_ts, ecef_b.normalized());
+	auto u_pit = QQuaternion(deg2a(target._pitch_deg), axis_pitch);
+
+	auto r_shadow = target._dist_m * cos(deg2a(target._pitch_deg));
+	auto ts_appv = u_pit.rotatedVector(vec_ts).normalized() * r_shadow;
+
+	auto ecef_target = ecef_b + ts_appv;
+	ECEFPos tt = ECEFPos::fromVec3(ecef_target);
+
+	return ecefToLLA(tt);
+}
+
 QVector3D ECEFPos::getVec3() const
 {
 	return QVector3D(_x_pos, _y_pos, _z_pos);
 }
+ECEFPos ECEFPos::fromVec3(const QVector3D& p) {
+	ECEFPos o;
+	o._x_pos = p.x();
+	o._y_pos = p.y();
+	o._z_pos = p.z();
+	return o;
+}
diff --git a/StandardGlobe/standardglobe.h b/StandardGlobe/standardglobe.h
index a08ede2..91074ab 100644
--- a/StandardGlobe/standardglobe.h
+++ b/StandardGlobe/standardglobe.h
@@ -1,7 +1,8 @@
 #pragma once
 
 #include "standardglobe_global.h"
-#include <qvector3d.h>
+
+class QVector3D;
 
 /// <summary>
 /// 经纬高坐标系坐标
@@ -16,10 +17,11 @@ struct LLAPos {
 /// 地心坐标系
 /// </summary>
 struct ECEFPos {
-	double _x_pos = 0;
+	double _x_pos = 0;// 指向0°经度圈与纬度0°交点
 	double _y_pos = 0;
 	double _z_pos = 0;
 	QVector3D getVec3() const;
+	static ECEFPos fromVec3(const QVector3D& p);
 };
 
 /// <summary>
@@ -72,5 +74,18 @@ public:
 	/// <param name="azi"></param>
 	/// <param name="target"></param>
 	static void getTargetLLAWithDistance(const LLAPos& base, double dist, double azi, LLAPos& target);
-
+	/// <summary>
+	/// 通过LLA坐标，获取目标极坐标
+	/// </summary>
+	/// <param name="base"></param>
+	/// <param name="target"></param>
+	/// <returns></returns>
+	static PolarPos getPolarWithLLA(const LLAPos &base, const LLAPos &target);
+	/// <summary>
+	/// 通过极坐标，获取目标LLA坐标
+	/// </summary>
+	/// <param name="base"></param>
+	/// <param name="target"></param>
+	/// <returns></returns>
+	static LLAPos getLLAWithPolar(const LLAPos &base, const PolarPos &target);
 };