Selective flow visualization of traced particles

摘要

A method for tracing a plurality of virtual particles through a flow filed includes receiving a flow field. A flow domain is divided into cells. Virtual particles are defined within the flow domain and values are collected for flow properties at each cell. A histogram is generated for each cell representing the collected flow properties for that corresponding cell. The histogram includes, for each of the one or more flow properties, a plurality of bins defining ranges of property values and a count of virtual particles within that cell that exhibit those properties. The histograms for the plurality of cells are advected with respect to the flow field over time. A graphical representation of the plurality of particles within the flow domain is rendered based on the advected histograms for the plurality of cells using a graphics processor.

主权项

1. A method for tracing a plurality of virtual particles through a flow field, comprising:
receiving a flow field encompassing a flow domain; dividing the flow domain into a plurality of cells; defining a plurality of virtual particles within the flow domain; collecting one or more values for flow properties at each of the plurality of cells; generating a histogram for each of the plurality of cells representing the collected one or more flow properties for that corresponding cells, wherein the histogram includes, for each of the one or more flow properties, a plurality of bins defining ranges of property values and a count of virtual particles within that cell that exhibit those properties; advecting the histograms for the plurality of cells with respect to the flow field over time; and rendering a graphical representation of the plurality of panicles within the flow domain based on the advected histograms for the plurality of cells with a graphics processor.