diff --git a/particle.py b/particle.py
index 5774f9c..c214e69 100644
--- a/particle.py
+++ b/particle.py
@@ -61,6 +61,12 @@ class Particles:
         for key in col:
             col[key]-=1
         return cls.from_array(pp,col,time,period,select_col=select_col)
+    
+    @classmethod
+    def from_ucf(cls,file,period,select_col=None):
+        from .ucf import read_particles
+        (pp,col,time) = read_particles(file,step=1,verbosity=False,debug=False)
+        return cls.from_array(pp,col,time,period,select_col=select_col)
 
     @classmethod
     def from_position(cls,x,y,z,time,period):