// @(#)root/g3d:$Name: $:$Id: TTRD1.cxx,v 1.3 2004/08/09 15:22:28 brun Exp $ // Author: Nenad Buncic 17/09/95 /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #include "TTRD1.h" #include "TNode.h" ClassImp(TTRD1) //______________________________________________________________________________ //
// TRD1 is a trapezoid with the x dimension varying along z. // It has 7 parameters: // // - name name of the shape // - title shape's title // - material (see TMaterial) // - dx1 half-length along x at the z surface positioned at -DZ // - dx2 half-length along x at the z surface positioned at +DZ // - dy half-length along the y-axis // - dz half-length along the z-axis //______________________________________________________________________________ TTRD1::TTRD1() { // TRD1 shape default constructor } //______________________________________________________________________________ TTRD1::TTRD1(const char *name, const char *title, const char *material, Float_t dx1, Float_t dx2, Float_t dy, Float_t dz) : TBRIK(name, title,material,dx1,dy,dz) { // TRD1 shape normal constructor fDx2 = dx2; } //______________________________________________________________________________ TTRD1::~TTRD1() { // TRD1 shape default destructor } //______________________________________________________________________________ void TTRD1::SetPoints(Double_t *buff) { // Create TRD1 points Float_t dx1, dx2, dy, dz; dx1 = TBRIK::fDx; dx2 = fDx2; dy = TBRIK::fDy; dz = TBRIK::fDz; if (buff) { buff[ 0] = -dx1 ; buff[ 1] = -dy ; buff[ 2] = -dz; buff[ 3] = -dx1 ; buff[ 4] = dy ; buff[ 5] = -dz; buff[ 6] = dx1 ; buff[ 7] = dy ; buff[ 8] = -dz; buff[ 9] = dx1 ; buff[10] = -dy ; buff[11] = -dz; buff[12] = -dx2 ; buff[13] = -dy ; buff[14] = dz; buff[15] = -dx2 ; buff[16] = dy ; buff[17] = dz; buff[18] = dx2 ; buff[19] = dy ; buff[20] = dz; buff[21] = dx2 ; buff[22] = -dy ; buff[23] = dz; } }