fix: 1

public/static/lib/potree/potree.js

@@ -55311,7 +55311,10 @@
 
 	        
 	    linearClamp(value, xArr , yArr){ //xArr需要按顺序从小到大，yArr对应xArr中的值
-	        
+	        if (arguments.length == 5) {
+	            xArr = [arguments[1], arguments[2]];
+	            yArr = [arguments[3], arguments[4]];
+	        }
 	        let len = xArr.length; 
 	        if(value <= xArr[0]) return yArr[0]
 	        if(value >= xArr[len - 1]) return yArr[len - 1]