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The Geospatial Data Abstraction Library (GDAL) is a computer software library for reading and writing raster and vector geospatial data formats (e.g. shapefile), and is released under the permissive X/MIT style free software license by the Open Source Geospatial Foundation.
There are two main approaches to document layout analysis. Firstly, there are bottom-up approaches which iteratively parse a document based on the raw pixel data. These approaches typically first parse a document into connected regions of black and white, then these regions are grouped into words, then into text lines, and finally into text blocks.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Computer graphics images defined by points, lines and curves This article is about computer illustration. For other uses, see Vector graphics (disambiguation). Example showing comparison of vector graphics and raster graphics upon magnification Vector graphics are a form of computer ...
To facilitate automated format conversion and other repetitive tasks, FontForge implements two scripting languages: its own language and Python. [5] FontForge can run scripts from its GUI, from the command line, and also offers its features as a Python module, so it can be integrated into any Python program. [6]
pdffonts – lists the fonts used in a PDF; pdfimages – extract all embedded images at native resolution from a PDF; pdfinfo – list all information of a PDF; pdfseparate – extract single pages from a PDF; pdftocairo – convert single pages from a PDF to vector or bitmap formats using cairo; pdftohtml – convert PDF to HTML format ...
Serial Vector Format (SVF) is a file format that contains boundary scan vectors to be sent to an electronic circuit using a JTAG interface. Boundary scan vectors consist of the following data: Stimulus data: This is data to be sent to a device or electronic circuit
A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]
Bob knows that the form of f(k) is () = + (), where a and b are the two parts of the telephone number. Now suppose Bob receives "D=777" and "E=851". Now suppose Bob receives "D=777" and "E=851". Bob can reconstruct Alice's phone number by computing the values of a and b from the values ( f (4) and f (5)) he has received.