graphics with PSTric..

only at the second point.5454Curvy TricksOpen and closed curvesInvisible endsCurve tweakingA new curve3322110540 1 2 3 4 5curvature = 1 2 00540 1 2 3 4 5curvature = 1 1 0Online L A T E X TutorialPart II – GraphicsPSTricks33221100 1 2 3 4 5curvature = 1 0.1 0 (Default)00 1 2 3 4 5curvature = 1 –1 0E Krishnan, CV Radhakrishnan and AJ Alexconstitute the graphics tutorial team.Comments and suggestions may be mailed totutorialteam@tug.org.inNote how the curve becomes increasingly taut at the second point and increasinglyslack elsewhere as the second number decreases.The third value of curvature controls the “slope” of the curve at eachpoint—that is, the angle the tangent at each point makes with the horizontal.We had mentioned earlier that for the curve produced by \pscurve, ifA, B, C are three consecutive points, then the tangent at B is perpendicularto the bisector of angle ABC. Actually, this is true only for the defaultc○2002, 2003, The Indian T E X Users GroupThis document is generated by PDFT E X withhyperref, pstricks, pdftricks and pdfscreenpackages in an intel PC running GNU/LINUXand is released under LPPLThe Indian T E X Users GroupFloor iii, sjp Buildings, Cotton HillsTrivandrum 695014, indiahttp://www.tug.org.in 11/16