GLScope: IQ linear and IQ polar displays

Readme.md

@@ -179,6 +179,7 @@ For Debian Jessie or Stretch:
   - Scope: trace history
   - Scope: trigger countdown
   - Scope: multiple trigger chaining
+  - Scope: new mode with linear IQ (two traces) on the primary display and polar IQ on the secondary display
   
 <h2>Major redesign</h2>
 

sdrbase/gui/glscope.cpp

@@ -670,6 +670,44 @@ void GLScope::paintGL()
 
 		// paint trace #2
 		if(m_displayTrace->size() > 0) {
+			if (m_mode == ModeIQPolar)
+			{
+				glPushMatrix();
+				glTranslatef(m_glScopeRect2.x() + m_glScopeRect2.width() / 2.0, m_glScopeRect2.y() + m_glScopeRect2.height() / 2.0, 0);
+				glScalef(m_glScopeRect2.width() / 2, -(m_glScopeRect2.height() / 2), 1);
+
+				glEnable(GL_BLEND);
+				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+				glLineWidth(1.0f);
+				glColor4f(1, 1, 0.25f, m_displayTraceIntensity / 100.0);
+
+				int start = (m_timeOfsProMill/1000.0) * m_displayTrace->size();
+				int end = std::min(start + m_displayTrace->size()/m_timeBase, m_displayTrace->size());
+				if(end - start < 2)
+					start--;
+
+				glBegin(GL_LINE_STRIP);
+
+				for(int i = start; i < end; i++)
+				{
+					float x = (*m_displayTrace)[i].real() * m_amp1;
+					float y = (*m_displayTrace)[i].imag() * m_amp2;
+					if(x > 1.0f)
+						x = 1.0f;
+					else if(x < -1.0f)
+						x = -1.0f;
+					if(y > 1.0f)
+						y = 1.0f;
+					else if(y < -1.0f)
+						y = -1.0f;
+					glVertex2f(x, y);
+				}
+
+				glEnd();
+				glPopMatrix();
+			}
+			else
+			{
 				glPushMatrix();
 				glTranslatef(m_glScopeRect2.x(), m_glScopeRect2.y() + m_glScopeRect2.height() / 2.0, 0);
 				glScalef(m_glScopeRect2.width() * (float)m_timeBase / (float)(m_displayTrace->size() - 1), -(m_glScopeRect2.height() / 2) * m_amp2, 1);
@@ -697,6 +735,7 @@ void GLScope::paintGL()
 				//glDisable(GL_LINE_SMOOTH);
 				glPopMatrix();
 			}
+		}
 	} // Both displays or secondary display only
 
 	glPopMatrix();

sdrbase/gui/glscopegui.cpp

@@ -110,15 +110,9 @@ QByteArray GLScopeGUI::serialize() const
 	s.writeS32(6, m_displayGridIntensity);
 	s.writeS32(7, m_amp1OffsetCoarse);
 	s.writeS32(8, m_displays);
-	//s.writeS32(9, m_triggerChannel);
-	//s.writeS32(10, m_triggerLevelCoarse);
-	//s.writeBool(11, m_triggerPositiveEdge);
 	s.writeS32(12, m_displayTraceIntensity);
 	s.writeS32(13, m_triggerPre);
 	s.writeS32(14, m_traceLenMult);
-	//s.writeS32(15, m_triggerDelay);
-	//s.writeBool(16, m_triggerBothEdges);
-	//s.writeS32(17, m_triggerLevelFine);
 	s.writeS32(18, m_amp1OffsetFine);
 	s.writeS32(19, m_amplification2);
 	s.writeS32(20, m_amp2OffsetCoarse);
@@ -158,11 +152,6 @@ bool GLScopeGUI::deserialize(const QByteArray& data)
 			m_timeBase = 1;
 		d.readS32(7, &m_amp1OffsetCoarse, 0);
 		d.readS32(8, &m_displays, GLScope::DisplayBoth);
-		//d.readS32(9, &m_triggerChannel, ScopeVis::TriggerFreeRun);
-		//ui->trigMode->setCurrentIndex(m_triggerChannel);
-		//d.readS32(10, &m_triggerLevelCoarse, 0);
-		//ui->trigLevelCoarse->setValue(m_triggerLevelCoarse);
-		//d.readBool(11, &m_triggerPositiveEdge, true);
 		d.readS32(12, &m_displayTraceIntensity, 50);
 		d.readS32(13, &m_triggerPre, 0);
 		ui->trigPre->setValue(m_triggerPre);
@@ -170,24 +159,7 @@ bool GLScopeGUI::deserialize(const QByteArray& data)
 		d.readS32(14, &m_traceLenMult, 20);
 		ui->traceLen->setValue(m_traceLenMult);
 		setTraceLenDisplay();
-		//d.readS32(15, &m_triggerDelay, 0);
-		//ui->trigDelay->setValue(m_triggerDelay);
 		setTrigDelayDisplay();
-		//d.readBool(16, &m_triggerBothEdges, false);
-
-		/*
-		if (m_triggerBothEdges) {
-			ui->slopePos->setChecked(false);
-			ui->slopeNeg->setChecked(false);
-			ui->slopeBoth->setChecked(true);
-		} else {
-			ui->slopeBoth->setChecked(false);
-			ui->slopePos->setChecked(m_triggerPositiveEdge);
-			ui->slopeNeg->setChecked(!m_triggerPositiveEdge);
-		}*/
-
-		//d.readS32(17, &m_triggerLevelFine, 0);
-		//ui->trigLevelFine->setValue(m_triggerLevelFine);
 		d.readS32(18, &m_amp1OffsetFine, 0);
 		d.readS32(19, &m_amplification2, 0);
 		d.readS32(20, &m_amp2OffsetCoarse, 0);
@@ -673,26 +645,26 @@ void GLScopeGUI::on_dataMode_currentIndexChanged(int index)
 		case 0: // i+q
 			m_glScope->setMode(GLScope::ModeIQ);
 			break;
-		case 1: // mag(lin)+pha
+		case 1: // clostationary
+			m_glScope->setMode(GLScope::ModeIQPolar);
+			break;
+		case 2: // mag(lin)+pha
 			m_glScope->setMode(GLScope::ModeMagLinPha);
 			break;
-		case 2: // mag(dB)+pha
+		case 3: // mag(dB)+pha
 			m_glScope->setMode(GLScope::ModeMagdBPha);
 			break;
-		case 3: // mag(lin)+dPha
+		case 4: // mag(lin)+dPha
 			m_glScope->setMode(GLScope::ModeMagLinDPha);
 			break;
-		case 4: // mag(dB)+dPha
+		case 5: // mag(dB)+dPha
 			m_glScope->setMode(GLScope::ModeMagdBDPha);
 			break;
-		case 5: // derived1+derived2
+		case 6: // derived1+derived2
 			m_glScope->setMode(GLScope::ModeDerived12);
 			break;
-		case 6: // clostationary
-			m_glScope->setMode(GLScope::ModeCyclostationary);
-			break;
 		case 7: // clostationary
-			m_glScope->setMode(GLScope::ModeIQPolar);
+			m_glScope->setMode(GLScope::ModeCyclostationary);
 			break;
 
 		default:

sdrbase/gui/glscopegui.ui

@@ -82,6 +82,11 @@
          <string>1:I 2:Q (lin)</string>
         </property>
        </item>
+       <item>
+        <property name="text">
+         <string>1:IQ (lin) 2:IQ (pol)</string>
+        </property>
+       </item>
        <item>
         <property name="text">
          <string>1:Mag (lin) 2:Phi</string>
@@ -112,11 +117,6 @@
          <string>1,2:Cyclostationary</string>
         </property>
        </item>
-       <item>
-        <property name="text">
-         <string>1:IQ (lin) 2:IQ (pol)</string>
-        </property>
-       </item>
       </widget>
      </item>
      <item>