1)Create curved surface and curved line in OpenGL compile to dll and show GUI interface in Qt 5.9.9 in visual studio 2019
2)Move the Curved Surface and on Curved Line.
3)On click Gui must return selected Curved Surface or Curved Line then show Qmessagebox in Qt.
NOTE: the window should be created at runtime not designer!!
Disregard the colors. Just a shape.
for the curved surface's points Z(x,y) find the attached Excel file.