Automatically Trimming Profile Based On Triangular Mesh Model

mortality forecasting based on lee-carter model

over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...

Automatically Extending , Pruning and Trimming

Constructing Minimal Triangular Mesh Based on Discrete Mean Curvature

In this paper, a so-called Plateau-Mesh problem is proposed, that is, to find a triangular mesh with the boundary formed by a given spacial closed polygon, whose area is minimum among all triangular meshes with the same boundary. To solve this problem, the former work by minimizing a function describing the mesh area directly, cannot obtain the global minimum of the function, only obtain its lo...

Adaptive trimming of cubic triangular Bézier patches

We present a method to handle cubic trimmed triangular Bézier patches. This scheme makes use of levels of detail and surface subdivision to achieve a fast and flexible hierarchical data structure that is specially useful to compute surface intersections in a robust and efficient way. The accuracy of the results can be adjusted by adding or subtracting elements to the levels of detail hierarchy,...

Hydraulic Erosion Modeling on a Triangular Mesh

Although hydraulic erosion modeling on a GIS terrain models has been addressed by a body of previous work, it still remains an open problem. In GIS, raster representation and triangular irregular networks (TIN) are the most commonly used surface models, because they are simple and offer implicit topological information. However, these data structures do not allow the simulation of erosion on co...