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We have developed many solutions for technical problems of programming for different kinds of applications. Here is a sample of problems with short descriptions of our solutions. See also the page about some computational problems.
The Graphs library, which is based upon the Page framework for printing and print preview with WYSIWYG quality. It provides different node shapes, arrow styles, and some algorithm to layout the graph.
The Map library, it creates a view of a map and draws the polygons of the continents or regions. It imports files of ESRI ShapeFile format. It provides zoom, centering, coordinate calculations.
The Page library, which provides an abstraction layer upon the Windows GDI, to compose pages with text, lists, tables, pictures and boxes, with very good printed quality and WYSIWYG display.
The PML library uses a simple HTML-like format and produces a set of printable pages, with text, tables, lists and pictures. It manages the chapters, paragraphs and subparagraphs headings and table of contents. It automatically splits content into pages. It supports standard page sizes and custom sizes.
The DataTree library provides classes for creating a tree of simple data in memory, and to read and write it from a binary file. Data items can be of some basic types or custom types. It is extensible with derived data types.
The File package contains classes to make searches of the file system, search by file name, extension, file times, search in subfolders.
The File package provides functions and classes to make some common tasks in file systems, like copy a set of files, move a set of files, create child directories, verify that a directory exists and so forth.
The FileStat library provides classes to collect simple file statistics, like number of files, file lengths, file times, number of lines in text files. It provides also classes to calculate the distributions of this parameters.
The HDF5View application provides many examples of use of the NCSA HDF5 C++ library, and some additional C++ classes that wrap some parts of the file structure. It is useful to collect data from HDF5 files, compare file structures, check structures.
The HtmlSpider library parses HTML files and extracts links and references to images and frames. It is based upon our custom XML parser.
Updator is an application that scans a local folder and compares it with a previously created index, then updates a remote folder through FTP by uploading the new or modified files and creating the needed subfolders.
The CodeInfo library and application defines a model for the documentation of a C/C++ source code set. It loads and saves data from an XML like file, it provides a user interface to edit the documentation. It can generate HTML files and complied HTML (CHM) files.
DBSchema library and application provides easy classes for creating the diagram of a relational database, with boxes with multiple rows for tables and connectors for database constraints.
EmailCopier library imports email messages from Microsoft Outlook Express files (dbx) and exports them in text format, or in mime format, or in the format used by Mozilla Thunderbird and other email clients.
LIS library and applications are a complete example of a communication protocol that uses the serial port.
Fitt library contains many non linear models and the procdures to calculate the parameters to fit the model to a series of data. It provides LogLogit 3, 4 and 5, Exponential, Polynomial, and other models. It is completely object oriented.
The Time package provides classes and algorithms to calculate time intervals, series of time slots, time histograms, and calendars. It can create the time slots for days, weeks, months, years and so on.