anchor.diff:                                            min="#{minTheta}", max="#{maxTheta}",
                                             step="#{stepTheta}")
           i.icon-fast-forward.c-pipeline-next.c-pipeline-animation-button
  -        i.icon-to-end-3.c-pipeline-end.c-pipeline-animation-button
  +        i.icon-to-end-1.c-pipeline-end.c-pipeline-animation-button
  
positive.code:                                           min="#{minPhi}", max="#{maxPhi}",
                                            step="#{stepPhi}")
          i.icon-fast-forward.c-pipeline-next.c-pipeline-animation-button
          i.icon-to-end-3.c-pipeline-end.c-pipeline-animation-button
    if maxTheta > 0
      .c-pipeline-animation-theta
        i.icon-resize-vertical.c-pipeline-animation-icon &Theta;
  
negative.code:                                           min="#{minTime}", max="#{maxTime}",
                                            step="#{stepTime}")
          i.icon-fast-forward.c-pipeline-next.c-pipeline-animation-button
          i.icon-to-end-1.c-pipeline-end.c-pipeline-animation-button
    if maxPhi > 0
      .c-pipeline-animation-phi
        i.icon-resize-horizontal.c-pipeline-animation-icon &Phi;
  