Difference between revisions of "GSD"
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The file must begin with . This is a header to verify that it is the correct file type. | The file must begin with . This is a header to verify that it is the correct file type. | ||
===Header=== | ===Header=== | ||
0x00-0x0f | {|border="0" cellspacing="0" cellpadding="0" align="left" | ||
0x10-0x17 | |0x00-0x0f ||"GRAPHTEC PRT&CUT" | ||
0x18-0x7f | |- | ||
|0x10-0x17 ||0x06 00 00 00 01 00 00 00 00 | |||
|- | |||
|0x18-0x7f ||This entire block is padded with zeros. There may be some other information stored, but in every sample file examined the data is simply 0. | |||
|} | |||
===Body=== | ===Body=== | ||
Revision as of 22:24, 4 November 2009
The GSD binary file format
The file must begin with . This is a header to verify that it is the correct file type.
Header
| 0x00-0x0f | "GRAPHTEC PRT&CUT" |
| 0x10-0x17 | 0x06 00 00 00 01 00 00 00 00 |
| 0x18-0x7f | This entire block is padded with zeros. There may be some other information stored, but in every sample file examined the data is simply 0. |
Body
The body consists of a number of blocks of data. Every block starts with a length chunk indicating how many chunks are contained within that block. For more complex data such as the actual lines, polylines, and pen information chunks may contain entire blocks in a hierarchy.
Chunks
The first two bytes of the chunk provide information on the purpos. The following 2 bytes indicate the type of data and the number of data elements of that type.
While the data typically follows this pattern, in some cases (most notably distance measurements) the "datatype" may indicate a different length than is actually used.
| Header | Description |
|---|---|
| 00 | 1 byte of data stored in length byte |
| 01 | 1-byte data chunks |
| 01 | 1-byte little endian 8-bit integer. Typically used for boolean values. |
| 02 | 2-byte little endian 16-bit integer |
| 03 | 4-byte little endian 32-bit integer |
| 04 | 8-byte little endian double precision float. Usually for storing a distance in mm units |
| 05 | ASCII data chunks |
Based on several files generated using version 5.10 of the QuicKutz ROBO Master software, the following information has been deduced. In some cases the data observed in a given chunk is provided where the purpose is unknown.
| Prefix | Type | Length | Data |
|---|---|---|---|
| 0x0006 | 00 | 06 - NOT the number of 0x??06 elements (only 1 present) | |
| 0x0106 | 00 | 00 | |
| 0x0007 | 00 | 06 - Number of 0x??07 elements? | |
| 0x0107 | 01 | 01 | 02 |
| 0x0207 | 03 | 01 | Unknown 32-bit value |
| 0x0307 | 03 | 01 | Unknown 32-bit value |
| 0x0407 | 05 | 00 | Unknown text field |
| 0x0507 | 04 | 01 | Dashed Line Pattern Cut Segment Length |
| 0x0607 | 04 | 01 | Dashed Line Pattern Spacing Length |
| 0x0206 | 00 | 00 | |
| 0x000A | 00 | 1D - Number of 0x??08 elements | |
| 0x0108 | 05 | 13 | "Graphtec Craft ROBO" - Optional |
| 0x0208 | 05 | 13 | "Graphtec Craft ROBO" - Optional |
| 0x0408 | 05 | 06 | "Letter" - Text Paper Size |
| 0x0508 | 03 | 02 | 56 54 00 00 24 6D 00 00 - Paper size in 1/2540" (ie:0.01mm) units (Little Endian). This seems to have been chosen to allow precise storing of both fractional imperial and metric units. 4-byte width, 4-byte height |
| 0x1B08 | 01 | 01 | 00 |
| 0x2708 | 01 | 01 | 00 |
| 0x1A08 | 02 | 01 | 64 00 - Scaling |
| 0x0908 | 01 | 01 | 00 - Offset Toggle |
| 0x0A08 | 03 | 01 | 00 00 00 00 - Offset X |
| 0x0B08 | 03 | 01 | 00 00 00 00 - Offset Y |
| 0x0C08 | 01 | 01 | 00 - Weed Border Toggle |
| 0x0D08 | 03 | 01 | 00 00 00 00 - Weed Border Distance |
| 0x2208 | 01 | 01 | 00 - Print Cut Lines |
| 0x2008 | 01 | 01 | 00 |
| 0x2108 | 02 | 01 | 00 00 - Print Rotation Angle (typically 0 or 180) |
| 0x2308 | 02 | 01 | 01 00 - ID for print paper size? |
| 0x2408 | 03 | 01 | 6F 08 00 00 - Paper Width (1/254" or 0.1mm units) |
| 0x2508 | 03 | 01 | EA 0A 00 00 - Paper Height (1/254" or 0.1mm units) |
| 0x2608 | 02 | 01 | 01 00 - Portrait(01) or Landscape(02) |
| 0x0808 | 02 | 01 | 00 00 - Cutting Rotation Angle (typically a multiple of 90) |
| 0x0E08 | 01 | 01 | 00 |
| 0x0F08 | 01 | 01 | 01 |
| 0x1008 | 03 | 01 | 00 00 00 00 |
| 0x1E08 | 01 | 01 | 01 |
| 0x1F08 | 01 | 01 | 01 |
| 0x1108 | 01 | 01 | 00 - Toggle Tiling |
| 0x1C08 | 03 | 01 | 00 00 00 00 - Tiling Media Width |
| 0x1D08 | 03 | 01 | 00 00 00 00 - Tiling Media Height |
| 0x1408 | 03 | 01 | 00 00 00 00 - Tiling Overlap |
| 0x0306 | 00 | 00 | |
| 0x0009 | 00 | 09 | |
| 0x0109 | 01 | 01 | 00 |
| 0x0209 | 01 | 01 | 05 |
| 0x0309 | 01 | 01 | 05 |
| 0x0409 | 01 | 01 | 00 |
| 0x0406 | 00 | 00 | |
| 0x000A | 00 | 0A | |
| 0x010A | 03 | 01 | 00 00 00 00 |
| 0x020A | 00 | 00 | |
| 0x000C | 00 | 01 | |
| 0x010C | 03 | 01 | 00 00 00 00 |
| 0x0506 | 00 | 00 | |
| 0x000E | 00 | 0A | |
| 0x010E | 01 | 01 | 01 - Show Registration Marks |
| 0x020E | 02 | 01 | 01 00 |
| 0x030E | 02 | 01 | 01 00 |
| 0x0A0E | 04 | 01 | CD CC CC CC CC 0C 33 40 - Registration Mark Size |
| 0x0B0E | 02 | 01 | A8 C6 4B 37 89 41 E0 3F - Registration Mark Thickness |
| 0x0C0E | 03 | 01 | 66 66 66 66 66 66 29 40 - Origin X |
| 0x0D0E | 03 | 01 | 52 B8 1E 85 EB 51 24 40 - Origin Y |
| 0x0E0E | 03 | 01 | 01 00 00 00 00 D0 67 40 - Distance 1-2 |
| 0x0F0E | 03 | 01 | 48 E1 7A 14 AE 87 6E 40 - Distance 1-3 |
| 0x110E | 01 | 01 | 00 |
| 0x0606 | 00 | 00 | |
| 0x000F | 00 | 04 | |
| 0x010F | 01 | 01 | 00 |
| 0x020F | 02 | 01 | 00 00 |
| 0x030F | 04 | 01 | 66 66 66 66 66 66 29 40 - Grid Spacing |
| 0x040F | 01 | 01 | 01 |
| 0x0010 | 03 | 01 | 00 00 00 00 - End of file? |