2: /* 3: Contains the data structure for plotting several line 4: graphs in a window with an axis. This is intended for line 5: graphs that change dynamically by adding more points onto 6: the end of the X axis. 7: */ 9: #include <petscdraw.h> /*I "petscdraw.h" I*/ 10: #include <petsc/private/petscimpl.h> /*I "petscsys.h" I*/ 12: struct _p_PetscDrawLG { 13: PETSCHEADER(int); 14: PetscErrorCode (*destroy)(PetscDrawLG); 15: PetscErrorCode (*view)(PetscDrawLG,PetscViewer); 16: int len,loc; 17: PetscDraw win; 18: PetscDrawAxis axis; 19: PetscReal xmin,xmax,ymin,ymax,*x,*y; 20: int nopts,dim,*colors; 21: PetscBool use_markers; 22: char **legend; 23: }; 24: #define CHUNCKSIZE 100