IntPic A GAP package for drawing sets of integers Version 0.2.3 Manuel Delgado Manuel Delgado Email: mailto:mdelgado@fc.up.pt Homepage: http://cmup.fc.up.pt/cmup/mdelgado/ ------------------------------------------------------- Copyright © 2013--2015 Manuel Delgado IntPic package is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (http://www.fsf.org/licenses/gpl.html) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. For details, see the file 'GPL' included in the package or see the FSF's own site. ------------------------------------------------------- Acknowledgements The author was partially funded by the European Regional Development Fund through the program COMPETE and by the Portuguese Government through the FCT - Fundação para a Ciência e a Tecnologia under the projects PEst-C/MAT/UI0144/2011 and PEst-C/MAT/UI0144/2013. I want to express my gratitude to my colleagues of the Mathematics Department of the Faculty of Sciences of the University of Porto for the opportunity of taking a sabbatical year during the 2011/2012 school year. I benefited also of the sabbatical grant SFRH/BSAB/1156/2011. For one reason or another that ranges from suggestions to encouragement, I want express my gratitude to Pedro A. García Sánchez, David Llena and James Mitchell. Concerning the mantainment: I want to acknowledge partial support by CMUP (UID/MAT/00144/2013), which is funded by FCT (Portugal) with national (MEC) and European structural funds through the programs FEDER, under the partnership agreement PT2020. I acknowledge also partial supported by the project MTM2014-55367-P, which is funded by Ministerio de Economía y Competitividad (Spain) and Fondo Europeo de Desarrollo Regional FEDER. ------------------------------------------------------- Colophon This manual describes the GAP package IntPic , Version 0.2.3, for visualizing and creating publication quality pictures of sets of integers. ------------------------------------------------------- Contents (IntPic) 1 The IntPic package 1.1 Overview and Introduction 1.2 Installing IntPic 1.3 Loading IntPic 2 The IntPic package main function 2.1 The main function 2.1-1 Tikz code for arrays of integers 2.1-2 Tikz code for arrays, in a simplified way 2.2 Producing tables 2.2-1 IP_TableWithModularOrder 3 The colors in the IntPic package 3.1 Colors by tones 3.2 Lists of colors 3.3 The IntPic default list of colors 3.4 Functions to deal with colors 3.4-1 Shuffle colors from lists of colors 4 Visualization of the pictures created 4.1 Viewing using Viz 4.2 Viewing without using Viz 4.2-1 A complete example 4.3 Other examples of use of the IntPic package 4.3-1 Varia 4.3-2 The banner 5 The IntPic package options. 5.1 Available options 5.2 Default options 6 Usage of IntPic in connection with the numericalsgps package 6.1 Tikz code for drawing numerical semigroups 6.1-1 Tikz code for drawing numerical semigroups 6.2 Drawing sets of numerical semigroups 6.2-1 Set of numerical semigroups 6.2-2 Draw a set of numerical semigroups