void Plotter2::resetAttributes(const Plotter2ViewportInfo& vi) {
cpgstbg(0); // reset background colour to the initial one (white)
cpgsci(1); // reset foreground colour to the initial one (black)
cpgsls(1); // reset line style to solid
cpgslw(1); // reset line width to 1
cpgscf(1); // reset font style to normal
cpgsch(vi.fontSizeDef);// reset font size
cpgsfs(1); // reset fill style (solid)
}
void Plotter2::plot() {
open();
if ((width > 0.0) && (aspect > 0.0)) {
cpgpap(width, aspect);
}
cpgscr(0, 1.0, 1.0, 1.0); // set background color white
cpgscr(1, 0.0, 0.0, 0.0); // set foreground color black
for (unsigned int i = 0; i < vInfo.size(); ++i) {
Plotter2ViewportInfo vi = vInfo[i];
if (vi.showViewport) {
resetAttributes(vi);
// setup viewport
cpgsvp(vi.vpPosXMin, vi.vpPosXMax, vi.vpPosYMin, vi.vpPosYMax);
cpgswin(vi.vpRangeXMin, vi.vpRangeXMax, vi.vpRangeYMin, vi.vpRangeYMax);
// background color (default is transparent)
if (vi.vpBColor >= 0) {
cpgsci(vi.vpBColor);
cpgrect(vi.vpRangeXMin, vi.vpRangeXMax, vi.vpRangeYMin, vi.vpRangeYMax);
cpgsci(1); // reset foreground colour to the initial one (black)
}
// data
for (unsigned int j = 0; j < vi.vData.size(); ++j) {
resetAttributes(vi);
Plotter2DataInfo di = vi.vData[j];
std::vector<float> vxdata = di.xData;
int ndata = vxdata.size();
float* pxdata = new float[ndata];
float* pydata = new float[ndata];
for (int k = 0; k < ndata; ++k) {
pxdata[k] = di.xData[k];
pydata[k] = di.yData[k];
}
if (di.drawLine) {
cpgsls(di.lineStyle);
cpgslw(di.lineWidth);
int colorIdx = di.lineColor;
if (colorIdx < 0) {
colorIdx = (j + 1) % 15 + 1;
}
cpgsci(colorIdx);
cpgline(ndata, pxdata, pydata);
}
if (di.drawMarker) {
cpgsch(di.markerSize);
cpgsci(di.markerColor);
cpgpt(ndata, pxdata, pydata, di.markerType);
}
delete [] pxdata;
delete [] pydata;
}
//calculate y-range of xmasks
std::vector<float> yrange = vi.getRangeY();
float yexcess = 0.1*(yrange[1] - yrange[0]);
float xmaskymin = yrange[0] - yexcess;
float xmaskymax = yrange[1] + yexcess;
// masks
for (unsigned int j = 0; j < vi.vRect.size(); ++j) {
resetAttributes(vi);
Plotter2RectInfo ri = vi.vRect[j];
cpgsci(ri.color);
cpgsfs(ri.fill);
cpgslw(ri.width);
cpgshs(45.0, ri.hsep, 0.0);
float* mxdata = new float[4];
float* mydata = new float[4];
mxdata[0] = ri.xmin;
mxdata[1] = ri.xmax;
mxdata[2] = ri.xmax;
mxdata[3] = ri.xmin;
mydata[0] = xmaskymin;
mydata[1] = xmaskymin;
mydata[2] = xmaskymax;
mydata[3] = xmaskymax;
cpgpoly(4, mxdata, mydata);
}
// arrows
for (unsigned int j = 0; j < vi.vArro.size(); ++j) {
resetAttributes(vi);
Plotter2ArrowInfo ai = vi.vArro[j];
cpgsci(ai.color);
cpgslw(ai.width);
cpgsls(ai.lineStyle);
cpgsch(ai.headSize);
cpgsah(ai.headFillStyle, ai.headAngle, ai.headVent);
cpgarro(ai.xtail, ai.ytail, ai.xhead, ai.yhead);
}
// arbitrary texts
for (unsigned int j = 0; j < vi.vText.size(); ++j) {
resetAttributes(vi);
Plotter2TextInfo ti = vi.vText[j];
cpgsch(ti.size);
cpgsci(ti.color);
cpgstbg(ti.bgcolor);
cpgptxt(ti.posx, ti.posy, ti.angle, ti.fjust, ti.text.c_str());
}
// viewport outline and ticks
resetAttributes(vi);
cpgbox("BCTS", vi.majorTickIntervalX, vi.nMinorTickWithinMajorTicksX,
"BCTSV", vi.majorTickIntervalY, vi.nMinorTickWithinMajorTicksY);
// viewport numberings
std::string numformatx, numformaty;
if (vi.numLocationX == "b") {
numformatx = "N";
} else if (vi.numLocationX == "t") {
numformatx = "M";
} else if (vi.numLocationX == "") {
numformatx = "";
}
if (vi.numLocationY == "l") {
numformaty = "NV";
} else if (vi.numLocationY == "r") {
numformaty = "MV";
} else if (vi.numLocationY == "") {
numformaty = "";
}
cpgbox(numformatx.c_str(), vi.majorTickIntervalX * vi.nMajorTickWithinTickNumsX, 0,
numformaty.c_str(), vi.majorTickIntervalY * vi.nMajorTickWithinTickNumsY, 0);
float xpos, ypos;
// x-label
vi.getWorldCoordByWindowCoord(vi.labelXPosX, vi.labelXPosY, &xpos, &ypos);
cpgsch(vi.labelXSize);
cpgsci(vi.labelXColor);
cpgstbg(vi.labelXBColor); //outside viewports, works ONLY with /xwindow
cpgptxt(xpos, ypos, vi.labelXAngle, vi.labelXFJust, vi.labelXString.c_str());
// y-label
vi.getWorldCoordByWindowCoord(vi.labelYPosX, vi.labelYPosY, &xpos, &ypos);
cpgsch(vi.labelYSize);
cpgsci(vi.labelYColor);
cpgstbg(vi.labelYBColor); //outside viewports, works ONLY with /xwindow
cpgptxt(xpos, ypos, vi.labelYAngle, vi.labelYFJust, vi.labelYString.c_str());
// title
vi.getWorldCoordByWindowCoord(vi.titlePosX, vi.titlePosY, &xpos, &ypos);
cpgsch(vi.titleSize);
cpgsci(vi.titleColor);
cpgstbg(vi.titleBColor); //outside viewports, works ONLY with /xwindow
cpgptxt(xpos, ypos, vi.titleAngle, vi.titleFJust, vi.titleString.c_str());
}
}
close();
}
/* set text background color index */
static void _pgstbg (int *i)
{
cpgstbg (*i);
}
