Task: Determine the valence intensity of the snippet, indicating a degree of positivity or negativity on a scale from 0 (strongly negative) to 1 (strongly positive), reflecting the emotional content expressed.
Snippet: In a normal screen process, these bromides would be barely enough to sustain an interstitial program on the Discovery Channel. But in Imax 3 D, the clichés disappear into the vertiginous perspectives opened up by the photography.
Intensity score: 