X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=libctsim%2Fphantom.cpp;h=d8fa862f625724968e328fc86be4eabdb03deaea;hp=c74c37a19252a0406df097b5f969d632a1e41ac0;hb=9f7d379c2b03f3c09907cfd885072433e0428042;hpb=1e88cf0f7fa4f690ea9f110e8ed3f2b5338d0a10 diff --git a/libctsim/phantom.cpp b/libctsim/phantom.cpp index c74c37a..d8fa862 100644 --- a/libctsim/phantom.cpp +++ b/libctsim/phantom.cpp @@ -9,7 +9,7 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: phantom.cpp,v 1.16 2000/08/25 15:59:13 kevin Exp $ +** $Id: phantom.cpp,v 1.24 2001/01/02 05:33:37 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 @@ -27,6 +27,8 @@ #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 Phantom::PHM_INVALID = -1; const int Phantom::PHM_HERMAN = 0; @@ -196,42 +198,43 @@ Phantom::createFromPhantom (const int phmid) bool Phantom::createFromFile (const char* const fname) { - bool stoploop = false; - bool retval = false; + bool bGoodFile = true; FILE *fp; if ((fp = fopen (fname, "r")) == NULL) return (false); - do { - if (! feof(fp)) { - double cx, cy, u, v, rot, dens; - char pelemtype[80]; - char str[1024]; - fgets (str, sizeof(str), fp); - int n = sscanf (str, "%79s %lf %lf %lf %lf %lf %lf", pelemtype, &cx, &cy, &u, &v, &rot, &dens); + m_name = fname; + + while (1) { + double cx, cy, u, v, rot, dens; + char pelemtype[80]; + + int status = fscanf (fp, "%79s %lf %lf %lf %lf %lf %lf", pelemtype, &cx, &cy, &u, &v, &rot, &dens); - if (n == EOF || n == 0) { /* end of file */ - stoploop = true; - retval = false; - } else if (n != 7) { - stoploop = true; - retval = false; - } else { - addPElem (pelemtype, cx, cy, u, v, rot, dens); - retval = true; - } - } else { - stoploop = true; - retval = true; + if (status == static_cast(EOF)) + break; + else if (status != 7) { + sys_error (ERR_WARNING, "Insufficient fields reading phantom file %s [Phantom::createFromFile]", fname); + bGoodFile = false; } - } while (stoploop == false); + addPElem (pelemtype, cx, cy, u, v, rot, dens); + } fclose (fp); - return (retval); + return (bGoodFile); } +bool +Phantom::fileWrite (const char* const fname) +{ + fstream file (fname, ios::out); + + if (! file.fail()) + printDefinitions (file); + return ! file.fail(); +} /* NAME * addPElem Add pelem @@ -280,26 +283,32 @@ Phantom::addPElem (const char *type, const double cx, const double cy, const dou */ void -Phantom::print () const +Phantom::print (std::ostream& os) const { - printf("PRINTING Phantom\n\n"); - printf("number of pelems in Phantom = %d\n", m_nPElem); - printf("limits: xmin=%8.2g ymin=%8.2g xmax=%8.2g ymax=%8.2g\n", - m_xmin, m_ymin, m_xmax, m_ymax); + os << "Number of PElements: " << m_nPElem << "\n"; + os << "Limits: xmin=" << m_xmin << ", ymin=" << m_ymin << ", xmax=" << m_xmax << ", ymax=" << m_ymax << "\n"; - for (PElemIterator i = m_listPElem.begin(); i != m_listPElem.end(); i++) { - printf("PELEM:\n"); - printf("# pts=%3d atten = %7.4f rot = %7.2f (deg)\n", - (*i)->nOutlinePoints(), (*i)->atten(), convertRadiansToDegrees ((*i)->rot())); - - printf("xmin=%7.3g ymin=%7.3g xmax=%7.3g ymax=%7.3g\n", - (*i)->xmin(), (*i)->ymin(), (*i)->xmax(), (*i)->ymax()); - - // for (int i = 0; i < m_nPoints; i++) - // printf("\t%8.3g %8.3g\n", i->xOutline()[i], i->yOutline()[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::printDefinitions (std::ostream& 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 @@ -317,7 +326,7 @@ Phantom::show () const show (sgp); - cout << "Press return to continue"; + std::cout << "Press return to continue"; cio_kb_getc(); } @@ -386,7 +395,7 @@ void Phantom::addStdSheppLoganBordered () { addStdSheppLogan (); - addPElem ("rectangle", 0.000, 0.0000, 0.7500, 1.000, 0.0, 0.00); + addPElem ("rectangle", 0.000, 0.0000, 0.8600, 1.150, 0.0, 0.00); } /* NAME @@ -421,7 +430,7 @@ void Phantom::addStdHermanBordered () { addStdHerman(); - addPElem ("rectangle", 0.000, 0.00, 9.000, 6.800, 0.00, 0.000); + addPElem ("rectangle", 0.000, 0.00, 10.780, 8.110, 90.00, 0.000); } @@ -439,11 +448,11 @@ Phantom::addStdHermanBordered () void Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trace) const { - convertToImagefile (im, in_nsample, trace, 0, im.nx()); + convertToImagefile (im, 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) const +Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trace, const int colStart, const int colCount, bool bStoreAtColumnPos) const { int nx = im.nx(); int ny = im.ny(); @@ -485,8 +494,12 @@ Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trac ImageFileArray v = im.getArray(); for (int ix = 0; ix < colCount; ix++) - for (int iy = 0; iy < ny; iy++) - v[ix][iy] = 0; + for (int iy = 0; iy < ny; iy++) { + int iColStore = ix; + if (bStoreAtColumnPos) + iColStore += colStart; + v[iColStore][iy] = 0; + } double x_start = xmin + (colStart * xinc); for (PElemConstIterator pelem = m_listPElem.begin(); pelem != m_listPElem.end(); pelem++) { @@ -494,11 +507,14 @@ Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trac double x, y, xi, yi; int ix, iy, kx, ky; for (ix = 0, x = x_start; ix < colCount; ix++, x += xinc) { - for (iy = 0, y = ymin; iy < ny; iy++, y += yinc) { - for (kx = 0, xi = x + kxofs; kx < nsample; kx++, xi += kxinc) { - for (ky = 0, yi = y + kyofs; ky < nsample; ky++, yi += kyinc) - if (rPElem.isPointInside (xi, yi, PHM_COORD) == TRUE) - v[ix][iy] += rPElem.atten(); + int iColStore = ix; + if (bStoreAtColumnPos) + iColStore += colStart; + for (iy = 0, y = ymin; iy < ny; iy++, y += yinc) { + for (kx = 0, xi = x + kxofs; kx < nsample; kx++, xi += kxinc) { + for (ky = 0, yi = y + kyofs; ky < nsample; ky++, yi += kyinc) + if (rPElem.isPointInside (xi, yi, PHM_COORD) == TRUE) + v[iColStore][iy] += rPElem.atten(); } // for kx } /* for iy */ } /* for ix */ @@ -506,11 +522,16 @@ Phantom::convertToImagefile (ImageFile& im, const int in_nsample, const int trac if (nsample > 1) { - double factor = 1.0 / (nsample * nsample); - - for (int ix = 0; ix < colCount; ix++) - for (int iy = 0; iy < ny; iy++) - v[ix][iy] *= factor; + double factor = 1.0 / static_cast(nsample * nsample); + + + for (int ix = 0; ix < colCount; ix++) { + int iColStore = ix; + if (bStoreAtColumnPos) + iColStore += colStart; + for (int iy = 0; iy < ny; iy++) + v[iColStore][iy] *= factor; + } } } @@ -547,12 +568,20 @@ PhantomElement::PhantomElement (const char *type, const double cx, const double 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"; +} PhmElemType PhantomElement::convertNameToType (const char* const typeName) @@ -574,6 +603,26 @@ 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; +} + void PhantomElement::makeTransformMatrices ()