Fixed bug in getImageTime and getSensorPosition when checking if the image coordinate is in range.

src/objs/MdisNacSensorModel.cpp

@@ -320,7 +320,7 @@ double MdisNacSensorModel::getImageTime(const csm::ImageCoord &imagePt) const {
   // check if the image point is in range
   if (imagePt.samp >= m_startingDetectorSample && 
       imagePt.samp <= (m_startingDetectorSample + m_nSamples) &&
-      imagePt.line >= m_startingDetectorSample &&
+      imagePt.line >= m_startingDetectorLine &&
       imagePt.line <= (m_startingDetectorLine + m_nLines)) {
     return m_ephemerisTime;
   }
@@ -335,7 +335,7 @@ csm::EcefCoord MdisNacSensorModel::getSensorPosition(const csm::ImageCoord &imag
   // check if the image point is in range
   if (imagePt.samp >= m_startingDetectorSample && 
       imagePt.samp <= (m_startingDetectorSample + m_nSamples) &&
-      imagePt.line >= m_startingDetectorSample &&
+      imagePt.line >= m_startingDetectorLine &&
       imagePt.line <= (m_startingDetectorLine + m_nLines)) {
     csm::EcefCoord sensorPosition;
     sensorPosition.x = m_spacecraftPosition[0];