Application Of Cad Technology For Directional Core Reset Measurement Study

This article has done a new research about the spatial state parameters of the texture plane of orientation core in the work of acquiring orientation core, applying theadvanced computer tool in time---computer to program the measure of parametersof texture plane of orientation core, and showing the all progress of the core restoration.The article has studied and compared the existing problems of former ways of acquiring the spatial state parameters of the texture plane of orientation core, and analyzing sources of the error, and researching to apply the AutoCAD twicedevelopment skill---Visual lisp to develop the measure instrument of coreoccurrence. The program can leave out many steps of the restoration measure, avoiding physics error, not needing the projection of geometry drawing method, not needing the curved triangle approximation. Then it can raise the measure precision.The program has the friendly dialogue box. It is only to input a few parameters ofthe core----the top point of the texture plane of orientation core, the top point of themark of the orientation core, the diameter of core and the parameters of inclinationsurveying----directional mark angle of state, azimuthal angle of hole and zenithalangle of the hole. It is very convenient to use the program.It is proved that the program is feasible to practice through the comparative test and synthesizing several ways of acquiring the spatial state parameters of the texture plane of orientation core, and the program will have a good prospect in use.