public static NumberExpression<Double> ymin(JTSGeometryExpression<?> expr) {
        return Expressions.numberOperation(Double.class, SpatialOps.YMIN, expr);
    }
Returns Y minima of a bounding box 2d or 3d or a geometry.

@param expr geometry
@return y minima
querydsl-spatial/src/main/java/com/querydsl/spatial/jts/JTSGeometryExpressions.java