changes to geo/app page. Added images

geo_app.md

@@ -14,7 +14,8 @@ Our research into digital geometry and appearance is method oriented and applica
 - Analysis by synthesis (inverse rendering) for fine tuning models.
 
 ## Modelling
-![Spider modelled by Chris De Paoli using our iPad app for PAM modelling](images/spider_small.png)
+![Spider modelled by Chris De Paoli using our iPad app for PAM modelling](images/spider_small.png) ![3D Model cut with a hot blade from styrofoam](images/styrofoam_small.png)
+
 - Interplay between geometry and appearance at the microscopic scale.
 - Generative (aka procedural) methods for creating synthetic 3D models.
 - Shape representations with specific properties such as *polar annular meshes* (a mesh skeleton co-representation).
@@ -23,11 +24,11 @@ Our research into digital geometry and appearance is method oriented and applica
 - Methods for tracking topologically adaptive deformable interfaces.
 - Emergent phenomena in complex, dynamic systems composed of simpler entities. 
 - Digital master: modelling the shape and appearance of a product before manufacturing with applications to quality assessment.
-![3D Model cut with a hot blade from styrofoam](images/styrofoam_smaller.png)
+  
+[![3D Modelling in VR](images/VR_modelling.png)](video/VR_modelling.m4v)
 
 ## Digital Twins
-![Oak tree reconstructed from LiDAR scan using skeletonization. Scan courtesy of Ebba Dellwik, DTU Wind](images/oak_27_4_2020_small.png)
-![3D Scanned seal skull](images/seal_skull_small.png)
+![Oak tree reconstructed from LiDAR scan using skeletonization. Scan courtesy of Ebba Dellwik, DTU Wind](images/oak_27_4_2020_small.png) ![3D Scanned seal skull](images/seal_skull_small.png)
 - Acquisition of geometry and optical properties that describe object appearance.
 - Additive manufacturing and control of shape and appearance.
 - Simulation: how will something look? How will fluids interact with some geometry?