X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=libctsim%2Fphantom.cpp;h=a0ddc408937b8f8f382c36ae95bbc320a522ace0;hb=ca7c001fce978b680543f8338a404b8c0701a935;hp=d8fa862f625724968e328fc86be4eabdb03deaea;hpb=9f7d379c2b03f3c09907cfd885072433e0428042;p=ctsim.git diff --git a/libctsim/phantom.cpp b/libctsim/phantom.cpp index d8fa862..a0ddc40 100644 --- a/libctsim/phantom.cpp +++ b/libctsim/phantom.cpp @@ -7,9 +7,9 @@ ** Date Started: Aug 1984 ** ** This is part of the CTSim program -** Copyright (C) 1983-2000 Kevin Rosenberg +** Copyright (c) 1983-2001 Kevin Rosenberg ** -** $Id: phantom.cpp,v 1.24 2001/01/02 05:33:37 kevin Exp $ +** $Id: phantom.cpp,v 1.29 2001/02/09 14:34:16 kevin Exp $ ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License (version 2) as @@ -27,31 +27,25 @@ #include "ct.h" -const int PhantomElement::POINTS_PER_CIRCLE = 360; -const double PhantomElement::SCALE_PELEM_EXTENT=0.005; // increase pelem limits by 0.5% +const int PhantomElement::POINTS_PER_CIRCLE = 360; +const double PhantomElement::SCALE_PELEM_EXTENT=0.005; // increase pelem limits by 0.5% const int Phantom::PHM_INVALID = -1; const int Phantom::PHM_HERMAN = 0; -const int Phantom::PHM_B_HERMAN = 1; -const int Phantom::PHM_SHEPP_LOGAN = 2; -const int Phantom::PHM_B_SHEPP_LOGAN = 3; -const int Phantom::PHM_UNITPULSE = 4; +const int Phantom::PHM_SHEPP_LOGAN = 1; +const int Phantom::PHM_UNITPULSE = 2; const char* Phantom::s_aszPhantomName[] = { {"herman"}, - {"herman-b"}, {"shepp-logan"}, - {"shepp-logan-b"}, - {"unitpulse"}, + {"unit-pulse"}, }; const char* Phantom::s_aszPhantomTitle[] = { {"Herman Head"}, - {"Herman Head (Bordered)"}, {"Shepp-Logan"}, - {"Shepp-Logan (Bordered)"}, {"Unit Pulse"}, }; @@ -82,7 +76,6 @@ Phantom::init () m_xmax = -1E30; m_ymin = 1E30; m_ymax = -1E30; - m_diameter = 0; m_composition = P_PELEMS; m_fail = false; m_id = PHM_INVALID; @@ -157,15 +150,9 @@ Phantom::createFromPhantom (const int phmid) case PHM_HERMAN: addStdHerman(); break; - case PHM_B_HERMAN: - addStdHermanBordered(); - break; case PHM_SHEPP_LOGAN: addStdSheppLogan(); break; - case PHM_B_SHEPP_LOGAN: - addStdSheppLoganBordered(); - break; case PHM_UNITPULSE: m_composition = P_UNIT_PULSE; addPElem ("rectangle", 0., 0., 100., 100., 0., 0.); // outline @@ -226,15 +213,15 @@ Phantom::createFromFile (const char* const fname) return (bGoodFile); } -bool -Phantom::fileWrite (const char* const fname) -{ - fstream file (fname, ios::out); - - if (! file.fail()) - printDefinitions (file); - return ! file.fail(); -} +bool +Phantom::fileWrite (const char* const fname) +{ + fstream file (fname, ios::out); + + if (! file.fail()) + printDefinitions (file); + return ! file.fail(); +} /* NAME * addPElem Add pelem @@ -261,11 +248,6 @@ Phantom::addPElem (const char *type, const double cx, const double cy, const dou if (m_ymin > pelem->ymin()) m_ymin = pelem->ymin(); if (m_ymax < pelem->ymax()) m_ymax = pelem->ymax(); - if (m_diameter < pelem->diameter()) - m_diameter = pelem->diameter(); - - // m_diameter = lineLength(m_xmin, m_ymin, m_xmax, m_ymax); - m_nPElem++; } @@ -288,27 +270,53 @@ Phantom::print (std::ostream& os) const os << "Number of PElements: " << m_nPElem << "\n"; os << "Limits: xmin=" << m_xmin << ", ymin=" << m_ymin << ", xmax=" << m_xmax << ", ymax=" << m_ymax << "\n"; - for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { + for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { + const PhantomElement& rPE = **i; + os << "PhantomElement: nPoints=" << rPE.nOutlinePoints(); + os << ", atten=" << rPE.atten() << " rot=" << convertRadiansToDegrees (rPE.rot()) << "\n"; + os << "xmin=" << rPE.xmin() << ", ymin=" << rPE.ymin() << ", xmax=" << rPE.xmax() << ", ymax=" << rPE.ymax() << "\n"; + + if (false) + for (int i = 0; i < rPE.nOutlinePoints(); i++) + os << rPE.xOutline()[i] << "," << rPE.yOutline()[i] << "\n"; + } +} +void +Phantom::print (std::ostringstream& os) const +{ + os << "Number of PElements: " << m_nPElem << "\n"; + os << "Limits: xmin=" << m_xmin << ", ymin=" << m_ymin << ", xmax=" << m_xmax << ", ymax=" << m_ymax << "\n"; + + for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { const PhantomElement& rPE = **i; - os << "PhantomElement: nPoints=" << rPE.nOutlinePoints(); + os << "PhantomElement: nPoints=" << rPE.nOutlinePoints(); os << ", atten=" << rPE.atten() << " rot=" << convertRadiansToDegrees (rPE.rot()) << "\n"; os << "xmin=" << rPE.xmin() << ", ymin=" << rPE.ymin() << ", xmax=" << rPE.xmax() << ", ymax=" << rPE.ymax() << "\n"; - + if (false) for (int i = 0; i < rPE.nOutlinePoints(); i++) os << rPE.xOutline()[i] << "," << rPE.yOutline()[i] << "\n"; } } - -void -Phantom::printDefinitions (std::ostream& os) const -{ - for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { - const PhantomElement& rPE = **i; - rPE.printDefinition (os); - } + +void +Phantom::printDefinitions (std::ostream& os) const +{ + for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { + const PhantomElement& rPE = **i; + rPE.printDefinition (os); + } +} + +void +Phantom::printDefinitions (std::ostringstream& os) const +{ + for (PElemConstIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { + const PhantomElement& rPE = **i; + rPE.printDefinition (os); + } } - + /* NAME * show Show vector outline of Phantom to user @@ -391,12 +399,6 @@ Phantom::addStdSheppLogan () addPElem ("ellipse", 0.5538, -0.3858, 0.0330, 0.2060, -18.0, 0.03); } -void -Phantom::addStdSheppLoganBordered () -{ - addStdSheppLogan (); - addPElem ("rectangle", 0.000, 0.0000, 0.8600, 1.150, 0.0, 0.00); -} /* NAME * addStdHerman Standard head phantom of G. T. Herman @@ -426,12 +428,6 @@ Phantom::addStdHerman () addPElem ("ellipse", 0.000, 0.00, 7.875, 5.7187, 90.00, -0.206); } -void -Phantom::addStdHermanBordered () -{ - addStdHerman(); - addPElem ("rectangle", 0.000, 0.00, 10.780, 8.110, 90.00, 0.000); -} /* NAME @@ -446,13 +442,13 @@ Phantom::addStdHermanBordered () */ void -Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trace) const +Phantom::convertToImagefile (ImageFile& im, double dViewRatio, const int in_nsample, const int trace) const { - convertToImagefile (im, in_nsample, trace, 0, im.nx(), true); + convertToImagefile (im, dViewRatio, in_nsample, trace, 0, im.nx(), true); } void -Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trace, const int colStart, const int colCount, bool bStoreAtColumnPos) const +Phantom::convertToImagefile (ImageFile& im, const double dViewRatio, const int in_nsample, const int trace, const int colStart, const int colCount, bool bStoreAtColumnPos) const { int nx = im.nx(); int ny = im.ny(); @@ -467,14 +463,12 @@ Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trac double dy = m_ymax - m_ymin; double xcent = m_xmin + dx / 2; double ycent = m_ymin + dy / 2; - double phmlen = (dx > dy ? dx : dy); - - double phmradius = phmlen / 2; + double dHalflen = dViewRatio * (getDiameterBoundaryCircle() / SQRT2 / 2); - double xmin = xcent - phmradius; - double xmax = xcent + phmradius; - double ymin = ycent - phmradius; - double ymax = ycent + phmradius; + double xmin = xcent - dHalflen; + double xmax = xcent + dHalflen; + double ymin = ycent - dHalflen; + double ymax = ycent + dHalflen; // Each pixel holds the average of the intensity of the cell with (ix,iy) at the center of the pixel // Set major increments so that the last cell v[nx-1][ny-1] will start at xmax - xinc, ymax - yinc). @@ -524,13 +518,13 @@ Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trac if (nsample > 1) { double factor = 1.0 / static_cast(nsample * nsample); - + for (int ix = 0; ix < colCount; ix++) { - int iColStore = ix; - if (bStoreAtColumnPos) - iColStore += colStart; + int iColStore = ix; + if (bStoreAtColumnPos) + iColStore += colStart; for (int iy = 0; iy < ny; iy++) - v[iColStore][iy] *= factor; + v[iColStore][iy] *= factor; } } } @@ -555,33 +549,31 @@ PhantomElement::PhantomElement (const char *type, const double cx, const double makeTransformMatrices (); // calc transform matrices between phantom and normalized phantomelement makeVectorOutline (); // calculate vector outline of pelem - // Find maximum diameter of Object - double r2Max = 0; - for (int i = 0; i < m_nPoints; i++) { - double r2 = (m_xOutline[i] * m_xOutline[i]) + (m_yOutline[i] * m_yOutline[i]); - if (r2 > r2Max) - r2Max = r2; - } - m_diameter = 2 * sqrt( r2Max ); - m_rectLimits[0] = m_xmin; m_rectLimits[1] = m_ymin; m_rectLimits[2] = m_xmax; m_rectLimits[3] = m_ymax; } - + PhantomElement::~PhantomElement () { delete m_xOutline; delete m_yOutline; } - -void -PhantomElement::printDefinition (std::ostream& os) const -{ - os << convertTypeToName (m_type) << " " << m_cx << " " << m_cy << " " << m_u << " " - << m_v << " " << convertRadiansToDegrees (m_rot) << " " << m_atten << "\n"; -} + +void +PhantomElement::printDefinition (std::ostream& os) const +{ + os << convertTypeToName (m_type) << " " << m_cx << " " << m_cy << " " << m_u << " " + << m_v << " " << convertRadiansToDegrees (m_rot) << " " << m_atten << "\n"; +} + +void +PhantomElement::printDefinition (std::ostringstream& os) const +{ + os << convertTypeToName (m_type) << " " << m_cx << " " << m_cy << " " << m_u << " " + << m_v << " " << convertRadiansToDegrees (m_rot) << " " << m_atten << "\n"; +} PhmElemType PhantomElement::convertNameToType (const char* const typeName) @@ -603,26 +595,26 @@ PhantomElement::convertNameToType (const char* const typeName) return (type); } - -const char* const -PhantomElement::convertTypeToName (PhmElemType iType) -{ - static char* pszType = "Unknown"; - - if (iType == PELEM_RECTANGLE) - pszType = "rectangle"; - else if (iType == PELEM_TRIANGLE) - pszType = "triangle"; - else if (iType == PELEM_ELLIPSE) - pszType = "ellipse"; - else if (iType == PELEM_SECTOR) - pszType = "sector"; - else if (iType == PELEM_SEGMENT) - pszType = "segment"; - - return pszType; -} - + +const char* const +PhantomElement::convertTypeToName (PhmElemType iType) +{ + static char* pszType = "Unknown"; + + if (iType == PELEM_RECTANGLE) + pszType = "rectangle"; + else if (iType == PELEM_TRIANGLE) + pszType = "triangle"; + else if (iType == PELEM_ELLIPSE) + pszType = "ellipse"; + else if (iType == PELEM_SECTOR) + pszType = "sector"; + else if (iType == PELEM_SEGMENT) + pszType = "segment"; + + return pszType; +} + void PhantomElement::makeTransformMatrices ()