Add initial NIfTI viewer app with basic file upload and info display

app.py

@@ -0,0 +1,41 @@
+import gradio as gr
+import nibabel as nib
+import numpy as np
+
+def process_nifti(file):
+    if file is None:
+        return "No file uploaded."
+    
+    try:
+        # Load the NIfTI file
+        img = nib.load(file.name)
+        
+        # Get basic information
+        shape = img.shape
+        data_type = img.get_data_dtype()
+        header = img.header
+        
+        # Create a summary
+        info = f"""File successfully loaded!
+        
+Shape: {shape}
+Data type: {data_type}
+Dimensions: {len(shape)}D
+Voxel dimensions: {header.get_zooms()}
+        """
+        
+        return info
+    except Exception as e:
+        return f"Error loading file: {str(e)}"
+
+# Create Gradio interface
+demo = gr.Interface(
+    fn=process_nifti,
+    inputs=gr.File(label="Upload NIfTI file (.nii or .nii.gz)"),
+    outputs=gr.Textbox(label="File Information", lines=10),
+    title="NIfTI File Viewer",
+    description="Upload a NIfTI (.nii or .nii.gz) file to view basic information about it."
+)
+
+if __name__ == "__main__":
+    demo.launch()