A C# library to extract tabular data from PDFs (port of camelot Python version using PdfPig).
Original Python source code available here: camelot-dev/camelot.
NuGet packages available on the releases page and on www.nuget.org:
using (PdfDocument doc = PdfDocument.Open(@"Files\foo.pdf", new ParsingOptions() { ClipPaths = true }))
{
Stream stream = new Stream();
var tables = stream.ExtractTables(doc.GetPage(1));
Assert.Single(tables);
Assert.Equal((612, 792), stream.Dimensions);
Assert.Equal(612, stream.PdfWidth);
Assert.Equal(792, stream.PdfHeight);
//Assert.Equal(84, stream.HorizontalText.Count);
var parsingReport = tables[0].ParsingReport();
// parsing_report = {"accuracy": 99.02, "whitespace": 12.24, "order": 1, "page": 1}
parsingReport["order"] = 1;
parsingReport["page"] = 1;
}
using (var doc = PdfDocument.Open(@"Files\column_span_2.pdf", new ParsingOptions() { ClipPaths = true }))
{
var page = doc.GetPage(1);
Lattice lattice = new Lattice(new OpenCvImageProcesser(), new BasicSystemDrawingProcessor(), line_scale: 40);
var tables = lattice.ExtractTables(page,
layout_kwargs: new DlaOptions[]
{
new DocstrumBoundingBoxes.DocstrumBoundingBoxesOptions()
{
WithinLineMultiplier = 2
}
});
Assert.Single(tables);
Assert.Equal(DataLatticeShiftTextLeftTop.Length, tables[0].Cells.Count);
Assert.Equal(DataLatticeShiftTextLeftTop, tables[0].Data().Select(r => r.Select(c => c).ToArray()).ToArray());
}
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