Beispiel #1
0
void Galaxy::draw(StelCore* core, StelPainter& painter, float)
{
    StelSkyDrawer* sd = core->getSkyDrawer();

    Vec3f color = Vec3f(0.4f,0.5f,1.2f);
    if (StelApp::getInstance().getVisionModeNight())
        color = StelUtils::getNightColor(color);

    double mag = getVMagnitude(core, true);

    StelUtils::spheToRect(RA, DE, XYZ);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glEnable(GL_BLEND);
    glEnable(GL_TEXTURE_2D);
    painter.setColor(color[0], color[1], color[2], Galaxy::galaxyBrightness);
    glColor4f(color[0],color[1],color[2], Galaxy::galaxyBrightness);

    if (mag <= sd->getLimitMagnitude())
    {
        Galaxy::markerTexture->bind();

        float size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
        float shift = 5.f + size/1.6f;
            if (GETSTELMODULE(POGS)->getDisplayMode())
            {
                painter.drawSprite2dMode(XYZ, 6);
                painter.drawText(XYZ, " ", 0, shift, shift, false);
            }
            else
            {
                painter.drawSprite2dMode(XYZ, 6);
                painter.drawText(XYZ, designation, 0, shift, shift, false);
            }
    }
}
void Quasar::draw(StelCore* core, StelPainter& painter)
{
	StelSkyDrawer* sd = core->getSkyDrawer();

	Vec3f color = sd->indexToColor(BvToColorIndex(bV))*0.75f;
	Vec3f dcolor = Vec3f(1.2f,0.5f,0.4f);
	if (StelApp::getInstance().getVisionModeNight())
		dcolor = StelUtils::getNightColor(dcolor);

	float rcMag[2], size, shift;
	double mag;

	StelUtils::spheToRect(qRA, qDE, XYZ);
        mag = getVMagnitude(core, true);	

	if (GETSTELMODULE(Quasars)->getDisplayMode())
	{
		glEnable(GL_BLEND);
		glBlendFunc(GL_ONE, GL_ONE);
		painter.setColor(dcolor[0], dcolor[1], dcolor[2], 1);

		Quasar::markerTexture->bind();
		size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
		shift = 5.f + size/1.6f;
		if (labelsFader.getInterstate()<=0.f)
		{
			painter.drawSprite2dMode(XYZ, 4);
			painter.drawText(XYZ, " ", 0, shift, shift, false);
		}
	}
	else
	{
		sd->preDrawPointSource(&painter);
	
		if (mag <= sd->getLimitMagnitude())
		{
			sd->computeRCMag(mag, rcMag);
			//sd->drawPointSource(&painter, Vec3f(XYZ[0], XYZ[1], XYZ[2]), rcMag, sd->indexToColor(BvToColorIndex(bV)), false);
			sd->drawPointSource(&painter, XYZ, rcMag, sd->indexToColor(BvToColorIndex(bV)), false);
			painter.setColor(color[0], color[1], color[2], 1);
			size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
			shift = 6.f + size/1.8f;
			if (labelsFader.getInterstate()<=0.f)
			{
				painter.drawText(XYZ, designation, 0, shift, shift, false);
			}
		}

		sd->postDrawPointSource(&painter);
	}
}
void Supernova::draw(StelCore* core, StelPainter& painter)
{
	StelSkyDrawer* sd = core->getSkyDrawer();

	Vec3f color = Vec3f(1.f,1.f,1.f);
	if (StelApp::getInstance().getVisionModeNight())
		color = StelUtils::getNightColor(color);

	float rcMag[2], size, shift;
	double mag;

	StelUtils::spheToRect(snra, snde, XYZ);
	mag = getVMagnitude(core, true);
	sd->preDrawPointSource(&painter);
	
	if (mag <= sd->getLimitMagnitude())
	{
		sd->computeRCMag(mag, rcMag);		
//		sd->drawPointSource(&painter, Vec3f(XYZ[0], XYZ[1], XYZ[2]), rcMag, color, false);
		sd->drawPointSource(&painter, XYZ, rcMag, color, false);
		painter.setColor(color[0], color[1], color[2], 1);
		size = getAngularSize(NULL)*M_PI/180.*painter.getProjector()->getPixelPerRadAtCenter();
		shift = 6.f + size/1.8f;
		if (labelsFader.getInterstate()<=0.f)
		{
			painter.drawText(XYZ, designation, 0, shift, shift, false);
		}
	}

	sd->postDrawPointSource(&painter);
}
Beispiel #4
0
void Constellation::drawName(StelPainter& sPainter, ConstellationMgr::ConstellationDisplayStyle style) const
{
	if (!nameFader.getInterstate())
		return;

	if (checkVisibility())
	{
		QString name;
		switch (style)
		{
			case ConstellationMgr::constellationsTranslated:
				name=nameI18;
				break;
			case ConstellationMgr::constellationsNative:
				name=nativeName;
				break;
			case ConstellationMgr::constellationsEnglish:
				name=englishName;
				break;
			case ConstellationMgr::constellationsAbbreviated:
				name=(abbreviation.startsWith('.') ? "" : abbreviation);
				break;
			Q_ASSERT(0);
		}

		sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], nameFader.getInterstate());
		sPainter.drawText(XYname[0], XYname[1], name, 0., -sPainter.getFontMetrics().width(name)/2, 0, false);
	}
}
Beispiel #5
0
void Nebula::drawLabel(StelPainter& sPainter, float maxMagLabel)
{
	float lim = mag;
	if (lim > 50) lim = 15.f;

	// temporary workaround of this bug: https://bugs.launchpad.net/stellarium/+bug/1115035 --AW
	if (getEnglishName().contains("Pleiades"))
		lim = 5.f;

	if (lim>maxMagLabel)
		return;

	Vec3f col(labelColor[0], labelColor[1], labelColor[2]);

	sPainter.setColor(col[0], col[1], col[2], hintsBrightness);
	float size = getAngularSize(NULL)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter();
	float shift = 4.f + size/1.8f;
	QString str;
	if (!nameI18.isEmpty())
		str = getNameI18n();
	else
	{
		if (M_nb > 0)
			str = QString("M %1").arg(M_nb);
		else if (C_nb > 0)
			str = QString("C %1").arg(C_nb);
		else if (NGC_nb > 0)
			str = QString("NGC %1").arg(NGC_nb);
		else if (IC_nb > 0)
			str = QString("IC %1").arg(IC_nb);		
	}

	sPainter.drawText(XY[0]+shift, XY[1]+shift, str, 0, 0, 0, false);
}
bool ScreenLabel::draw(StelCore*, StelPainter& sPainter)
{
	if (labelFader.getInterstate() <= 0.0)
		return false;

	sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
	sPainter.setFont(labelFont);
	sPainter.drawText(screenX, screenY, labelText, 0, 0, 0, false);
	return true;
}
bool SkyLabel::draw(StelCore* core, StelPainter& sPainter)
{
	if(labelFader.getInterstate() <= 0.0)
		return false;

	Vec3d objectPos = labelObject->getJ2000EquatorialPos(core);
	Vec3d labelXY;
	sPainter.getProjector()->project(objectPos,labelXY);

	sPainter.setFont(labelFont);
			
	double xOffset(0.);
	double yOffset(0.);
	char hJustify = 'c';
	char vJustify = 'c';

	if (labelSide.toUpper().contains("N"))
	{
		yOffset = 1.0;
		vJustify = 'b'; // bottom justify text
	}
	else if (labelSide.toUpper().contains("S"))
	{
		yOffset = -1.0;
		vJustify = 't'; // top justufy text
	}

	if (labelSide.toUpper().contains("E"))
	{
		xOffset = 1.0;
		hJustify = 'l'; // right justify text
	}
	else if (labelSide.toUpper().contains("W"))
	{
		xOffset = -1.0;
		hJustify = 'r'; // left justify text
	}

	if (labelDistance >= 0.0)
	{
		xOffset *= labelDistance;
		yOffset *= labelDistance;
	}
	else
	{
		float shift = 4.f + labelObject->getAngularSize(core)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter()/1.8f;
		// use the object size
		xOffset *= shift;
		yOffset *= shift;
	}

	double jxOffset(0.);
	double jyOffset(0.); 
	if (hJustify == 'r')
		jxOffset = sPainter.getFontMetrics().width(labelText);
	else if (hJustify == 'c')
		jxOffset = sPainter.getFontMetrics().width(labelText) / 2.;

	if (vJustify == 't')
		jyOffset = sPainter.getFontMetrics().height();
	else if (vJustify == 'c')
		jyOffset = sPainter.getFontMetrics().height() / 2.;

	sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
	sPainter.drawText(labelXY[0]+xOffset-jxOffset, labelXY[1]+yOffset-jyOffset, labelText, 0, 0, 0, false);

	if (labelStyle == SkyLabel::Line)
	{
		sPainter.enableTexture2d(false);
		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

		// screen coordinates of object
		Vec3d objXY;
		sPainter.getProjector()->project(objectPos,objXY);

		double lineEndX = labelXY[0]+xOffset;
		double lineEndY = labelXY[1]+yOffset;

		if (vJustify == 'b')
			lineEndY -= 5;
		else if (vJustify == 't')
			lineEndY += 5;
				
		if (hJustify == 'l')
			lineEndX -= 5;
		else if (hJustify == 'r')
			lineEndX += 5;
				
		sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
		
		sPainter.drawLine2d(lineEndX,lineEndY,objXY[0], objXY[1]);
	}

	return true;
}
Beispiel #8
0
void Nebula::drawLabel(StelPainter& sPainter, float maxMagLabel)
{
	float lim = mag;
	if (lim > 50) lim = 15.f;

	// temporary workaround of this bug: https://bugs.launchpad.net/stellarium/+bug/1115035 --AW
	if (getEnglishName().contains("Pleiades"))
		lim = 5.f;
	// Dark nebulae. Not sure how to assess visibility from opacity? --GZ
	if (nType==NebDn)
	{
		// GZ: ad-hoc visibility formula: assuming good visibility if objects of mag9 are visible, "usual" opacity 5 and size 30', better visibility (discernability) comes with higher opacity and larger size,
		// 9-(opac-5)-2*(angularSize-0.5)
		if (angularSize>0 && mag<50)
			lim = 15.0f - mag - 2.0f*angularSize;
		else
			lim = 9.0f;
	}
	else if (nType==NebHII || nType==NebHa)
		lim=9.0f;
	if (lim>maxMagLabel)
		return;

	Vec3d win;
	// Check visibility of DSO labels
	if (!(sPainter.getProjector()->projectCheck(XYZ, win)))
		return;

	Vec3f col(labelColor[0], labelColor[1], labelColor[2]);

	sPainter.setColor(col[0], col[1], col[2], hintsBrightness);
	float size = getAngularSize(NULL)*M_PI/180.*sPainter.getProjector()->getPixelPerRadAtCenter();
	float shift = 4.f + (drawHintProportional ? size : size/1.8f);
	QString str;
	if (!nameI18.isEmpty())
		str = getNameI18n();
	else
	{
		// On screen label: one only, priority as given here. NGC should win over Sharpless. (GZ)
		if (M_nb > 0)
			str = QString("M %1").arg(M_nb);
		else if (C_nb > 0)
			str = QString("C %1").arg(C_nb);
		else if (NGC_nb > 0)
			str = QString("NGC %1").arg(NGC_nb);
		else if (IC_nb > 0)
			str = QString("IC %1").arg(IC_nb);
		else if (B_nb > 0)
			str = QString("B %1").arg(B_nb);		
		else if (Sh2_nb > 0)
			str = QString("Sh 2-%1").arg(Sh2_nb);
		else if (VdB_nb > 0)
			str = QString("VdB %1").arg(VdB_nb);
		else if (RCW_nb > 0)
			str = QString("RCW %1").arg(RCW_nb);
		else if (LDN_nb > 0)
			str = QString("LDN %1").arg(LDN_nb);
		else if (LBN_nb > 0)
			str = QString("LBN %1").arg(LBN_nb);
		else if (Cr_nb > 0)
			str = QString("Cr %1").arg(Cr_nb);
		else if (Mel_nb > 0)
			str = QString("Mel %1").arg(Mel_nb);
	}

	sPainter.drawText(XY[0]+shift, XY[1]+shift, str, 0, 0, 0, false);
}