How to pronounce“photogrammetric”in English

So when you're a subject in my lab we take two photographs of you.We then have a group of undergraduates in a room networked down the hallway and they feverishly drag these points onto your face in something called photogrammetric softwareand after I get a front on and a side shot of you 25 minutes later when you enter virtual reality you're wearing a 3D model of your own head.