{
  "fileFormatID": 1911,
  "formatName": "AutoCAD Hatch Pattern",
  "version": null,
  "formatDescription": "A hatch pattern consists of a repeating pattern of lines, dashes, and dots, and is used within AutoCAD to represent materials to be used within the manufacture of the object defined in the CAD drawing",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "27 Sep 2017",
  "formatProvenance": null,
  "formatSourceDate": "27 Sep 2017",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Image (Raster)",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/1103",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1485,
      "name": "AutoCAD Hatch Pattern",
      "note": "Top line: asterisk, then a filename (up to 31 characters) that will start with a minimum of one letter or number, followed by an optional description then a line-ending. Second line: A minimum of 5 numeric (integer or floating point) values, representing Angle, X-origin, Y-origin, Delta-x, Delta-y (further values may represent optional dashes). Origins and Deltas may be negative or positive. A comma will follow each numeric value and each line will be terminated with a line ending.",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "2A([30:39]|[41:5A]|[61:7A]){0-80}0D0A{0-10}[30:39]2C20{0-10}[30:39]2C([30:39]|2D[30:39]|2E[30:39]){0-10}2C20{0-10}[30:39]2C([30:39]|2D[30:39]|2E[30:39]){0-128}0D0A",
          "endianness": null,
          "byteSequenceID": 1747
        }
      ],
      "provenance": "https://knowledge.autodesk.com/search-result/caas/CloudHelp/cloudhelp/2016/ENU/AutoCAD-Customization/files/GUID-A6F2E6FF-1717-44B6-A476-0CA817ADD77E-htm.html"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "pat",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "supportedBy": [
    18
  ],
  "developedBy": [
    18
  ],
  "submittedBy": [
    1
  ]
}
