check

app.py

@@ -246,7 +246,7 @@ def show_rendered_image(r,theta,phi):
 # app.py text matter starts here
 st.title('NeRF:Neural Radiance Fields')
 # set the values of r theta phi
-r = -30.0
+r = 4.0
 theta = st.slider('Enter a value for theta',min_value = 0.0,max_value = 360.0)
 st.write('Theta:', theta)
 phi = st.slider('Enter a value for phi',min_value = 0.0,max_value = 360.0)