init method
Future<void>
init(
- bool strict,
- GeometryFactory gf
)
Implementation
Future<void> init(bool strict, GeometryFactory gf) async {
geometryFactory = gf;
// start small
buffer = LByteBuffer(1024, doSigned: true);
await fill(buffer, channel);
buffer.flip();
currentOffset = 0;
header = ShapefileHeader();
header.read(buffer, strict);
fileShapeType = header.shapeType;
handler = fileShapeType.getShapeHandler(gf);
if (handler == null) {
throw IOException("Unsuported shape type: $fileShapeType");
}
headerTransfer = LByteBuffer(8);
headerTransfer.endian = Endian.big;
// make sure the record end is set now...
recordEnd = toFileOffset(buffer.position);
}