set the reserved 3 field for the axis record .
185. LineFormatRecord rec = new LineFormatRecord();
187. rec.field_1_lineColor = field_1_lineColor;
188. rec.field_2_linePattern = field_2_linePattern;
189. rec.field_3_weight = field_3_weight;
190. rec.field_4_format = field_4_format;
191. rec.field_5_colourPaletteIndex = field_5_colourPaletteIndex;