typedef struct psPlotInfo {
psParaTypeReal scaleX;
psParaTypeReal scaleY;
psParaTypeReal translateX;
psParaTypeReal translateY;
psParaTypeReal dX;
psParaTypeReal dXValue;
psParaTypeReal minX;
psParaTypeReal centreX;
psParaTypeReal maxX;
char* labelX;
psParaTypeReal dY;
psParaTypeReal dYValue;
psParaTypeReal minY;
psParaTypeReal centreY;
psParaTypeReal maxY;
char* labelY;
psParaTypeInteger nData;
psParaTypeReal *data;
} psPlotInfo;