diff --git a/stim/envi/agilent_binary.h b/stim/envi/agilent_binary.h
index 91169fb..b30cb2a 100644
--- a/stim/envi/agilent_binary.h
+++ b/stim/envi/agilent_binary.h
@@ -5,6 +5,8 @@
 #include <string>
 #include <fstream>
 #include <complex>
+#include <cstring>
+#include <chrono>
 
 //CUDA
 //#ifdef CUDA_FOUND
@@ -62,17 +64,20 @@ public:
 	/// Default constructor, sets the resolution to zero and the data pointer to NULL
 	agilent_binary(){
 		memset(R, 0, sizeof(size_t) * 3);				//set the resolution to zero
+		memset(Z, 0, sizeof(double) * 2);
 		ptr = NULL;
 	}
 
 	/// Constructor with resolution
 	agilent_binary(size_t x, size_t y, size_t z){
 		alloc(x, y, z);
+		memset(Z, 0, sizeof(double) * 2);
 	}
 
 	/// Constructor with filename
 	agilent_binary(std::string filename){
 		ptr = NULL;
+		memset(Z, 0, sizeof(double) * 2);
 		load(filename);
 	}
 	
@@ -119,6 +124,8 @@ public:
 		ptr = (T*) malloc(bytes());							//allocate space for the data
 		infile.read((char*)ptr, bytes());				//read the data		
 		infile.close();
+		Z[0] = 1;
+		Z[1] = R[2];
 	}
 
 	void save(std::string filename){
--
libgit2 0.21.4