检查double NaN or Infinity

laser/src/main/java/com/fdkankan/indoor/base/convert/AffineTransform.java

@@ -1,5 +1,10 @@
 package com.fdkankan.indoor.base.convert;
 
+import com.fdkankan.indoor.base.exception.BaseRuntimeException;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Test;
+
+@Slf4j
 public class AffineTransform {
     public static double getAngle(Point p1, Point p2) {
         double angle = Math.atan2(p2.getX() - p1.getX(), p2.getY() - p1.getY());
@@ -9,6 +14,18 @@ public class AffineTransform {
     public static double getScale(Point p1, Point b1, Point p2, Point b2) {
         // 被除数不能等于0
         double a =  getLength(b1, b2) / getLength(p1, p2) ;
+        // 2021-12-10 double计算NaN，Infinity 不抛出异常， 需要手动catch
+        if (Double.isInfinite(a)){
+            String msg = "计算数据异常， 数据Infinity(无穷大)";
+            log.error(msg+ ": {}", a );
+            throw new BaseRuntimeException(msg);
+        }
+
+        if (Double.isNaN(a)){
+            String msg = "计算数据异常， 数据空NaN";
+            log.error(msg+ ": {}", a );
+            throw new BaseRuntimeException(msg);
+        }
         return a;
     }
 
@@ -38,4 +55,16 @@ public class AffineTransform {
         return null;
     }
 
+    @Test
+    public void tedst(){
+        Point p1 = new Point(0,0);
+        Point p2 = new Point(0,0);
+        Point b1 = new Point(0,0);
+        Point b2 = new Point(0,0);
+        double scale = getScale(p1, b1, p2, b2);
+        System.out.println(scale);
+        System.out.println(Double.isInfinite(scale));
+        System.out.println("Infinity".equals(scale));
+    }
+
 }

laser/src/main/java/com/fdkankan/indoor/base/convert/GisCoordinateUtil.java

@@ -254,6 +254,7 @@ public class GisCoordinateUtil {
 //            log.info("========== start calculateVariable =================");
             double rotation1 = Math.toRadians(AffineTransform.getAngle(point1 , point2 ) - AffineTransform.getAngle(newPoint1 , newPoint2 ));
             double scale1 = AffineTransform.getScale( point1 , newPoint1 , point2 , newPoint2);
+            log.info("scale1: {}", scale1);
 //            log.info("rotation1: {}", rotation1);
             double dx1 = AffineTransform.getXTranslation( point1 ,newPoint1, rotation1, scale1);
             double dy1 = AffineTransform.getYTranslation( point1 ,newPoint1, rotation1, scale1);