grd_type: grd_text
GRD text features hold text information. A single 2D or 3D position is associated with the text block. Text features may have the following special attributes associated with them.
| Attribute Name | Contents | 
| grd_width | The width of the text string. Range: Any real number | 
| grd_height | The height of the text string. Range: Any real number | 
| grd_rotation | The angle of the string, in degrees counterclockwise from horizontal. Range: 0 .. 360.0 | 
| grd_italic | Boolean flag indicating if the text is to be displayed in italic type. Range: True | False | 
| grd_bold | Boolean flag indicating if the text is to be displayed in bold type. Range: True | False | 
| grd_font_name | The name of the font used to display the text. Maximum size is 254 characters. | 
| grd_text_font_type | The specific kind of type the text is to be displayed in. The default is 0 (TrueType Font). The values are associated with the following types: 0 = TrueType Font 1 = NonTrueType Font 3 = Specific Font | 
| grd_text_string | The text string of the vector. Maximum size is 254 characters. |