diff --git a/stim/gl/gl_spider.h b/stim/gl/gl_spider.h
index 4efe020..47e9e1f 100644
--- a/stim/gl/gl_spider.h
+++ b/stim/gl/gl_spider.h
@@ -869,8 +869,8 @@ class gl_spider : public virtual gl_texture<T>
 			GenerateFBO(16, numSamplesPos*8, ptexbufferID, pfboID); 
 			GenerateFBO(16, numSamplesMag*8, mtexbufferID, mfboID); 
 			GenerateFBO(16, 216, btexbufferID, bfboID); 
-			setDims(0.6, 0.6, 1.0);
-			setSize(1024.0, 1024.0, 1024.0);
+//			setDims(0.6, 0.6, 1.0);
+//			setSize(1024.0, 1024.0, 1024.0);
 			setMatrix();
 			dList = glGenLists(3);
 			glListBase(dList);
diff --git a/stim/grids/image_stack.h b/stim/grids/image_stack.h
index 130b924..f0c3752 100644
--- a/stim/grids/image_stack.h
+++ b/stim/grids/image_stack.h
@@ -46,6 +46,8 @@ public:
 			std::cout<<"STIM ERROR (image_stack): No matching files for loading a stack."<<std::endl;
 			exit(1);
 		}
+		for(int i = 0; i < file_list.size(); i++)
+			std::cout << file_list[i].str() << std::endl;
 
 		//load the first image and set all of the image_stack properties
 //		std::cout<<"File to Load: "<<file_list[0].str()<<std::endl;
diff --git a/stim/parser/filename.h b/stim/parser/filename.h
index ee837dc..973a397 100644
--- a/stim/parser/filename.h
+++ b/stim/parser/filename.h
@@ -146,6 +146,14 @@ public:
 
 	}
 
+	void clear()
+	{
+		drive = "";				//drive letter (for Windows)
+		path.resize(0);
+		prefix= "";				//file prefix (without extension)
+		ext = "";				//file extension
+	}
+
 	std::string str(){
 
 		std::stringstream ss;
--
libgit2 0.21.4