Expresii watercolor

We present Expresii, a software tool that gives digital artists the serendipity of painting with water-based media like never before. Our watercolor simulation is based on Computational Fluid Dynamics to give true fluidity. We devised a novel hybrid-vector-raster rendering method to allow large output at 12k+ resolution. Our expressive virtual brush can capture stroke rhythm as if wielding a real brush to give organic variations. Finally, we also make use of G-Sensor in today's tablet computer for surface tilting and stylus pressure for variation in color loading to make the painting experience closer to real life.