Scaling preset velocity fields to be between -1 and 1, instead of -0.33 and 0.33

qlbm_embedded.py

@@ -317,11 +317,11 @@ def set_velocity_preset(preset_name):
     if _state is None:
         return
     mapping = {
-        "Uniform": ("0.2", "-0.15", "0.3"),
-        "Swirl": ("0.3*sin(-2*pi*z)", "0.2", "0.3*sin(2*pi*x)"),
-        "Shear": ("abs(z-0.5)*1.2-0.3", "0", "0"),
-        "TGV": ("0.15*cos(2*pi*x)*sin(2*pi*y)*sin(2*pi*z)", "-0.3*sin(2*pi*x)*cos(2*pi*y)*sin(2*pi*z)", "0.15*sin(2*pi*x)*sin(2*pi*y)*cos(2*pi*z)"),
-    }
+        "Uniform": ("0.6", "-0.5", "1"),
+        "Swirl": ("sin(-2*pi*z)", "1", "sin(2*pi*x)"),
+        "Shear": ("abs(z-0.5)*4-1", "0", "0"),
+        "TGV": ("0.5*cos(2*pi*x)*sin(2*pi*y)*sin(2*pi*z)", "-*sin(2*pi*x)*cos(2*pi*y)*sin(2*pi*z)", "0.5*sin(2*pi*x)*sin(2*pi*y)*cos(2*pi*z)"),
+        }
     vx, vy, vz = mapping.get(preset_name, mapping["Uniform"])
     _state.qlbm_advecting_field = preset_name
     _state.qlbm_vx_expr = vx