diff --git a/demo/plate1n/data/sample-x264-y179-signal-Txx.csv b/demo/plate1n/data/sample-x264-y179-signal-Txx.csv
new file mode 100644
index 0000000..539e812
--- /dev/null
+++ b/demo/plate1n/data/sample-x264-y179-signal-Txx.csv
@@ -0,0 +1,99 @@
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+0.000000000000000000e+00
+-1.703326067664448626e-38
+-1.472068476086755314e-34
+-3.390646216670021282e-31
+-4.706076745175778263e-28
+-4.021251990952579571e-25
+-2.152666357361167380e-22
+-7.320415942949315727e-20
+-1.598014178087310636e-17
+-2.255146871516953630e-15
+-2.064651075973922278e-13
+-1.225904013718581709e-11
+-4.698621491883159251e-10
+-1.151133321997122039e-08
+-1.774199489545935648e-07
+-1.681488924987206701e-06
+-9.527500878903083503e-06
+-3.159943662467412651e-05
+-6.344026041915640235e-05
+-9.029801003634929657e-05
+-1.002956923912279308e-04
+-6.547473458340391517e-05
+2.715533628361299634e-05
+1.829533430282026529e-04
+3.833424416370689869e-04
+5.728750838898122311e-04
+6.582661881111562252e-04
+5.649944650940597057e-04
+2.383043174631893635e-04
+-2.838089421857148409e-04
+-8.920651744119822979e-04
+-1.412904588505625725e-03
+-1.676156534813344479e-03
+-1.558349002152681351e-03
+-1.061049173586070538e-03
+-3.044088662136346102e-04
+5.033055203966796398e-04
+1.151955686509609222e-03
+1.496179262176156044e-03
+1.515918993391096592e-03
+1.301949494518339634e-03
+1.000394928269088268e-03
+7.395729771815240383e-04
+5.689885001629590988e-04
+4.412724229041486979e-04
+2.558351261541247368e-04
+-7.193145575001835823e-05
+-5.496905650943517685e-04
+-1.085659372620284557e-03
+-1.514893840067088604e-03
+-1.671656733378767967e-03
+-1.473238924518227577e-03
+-9.567832457832992077e-04
+-2.637192665133625269e-04
+4.080723156221210957e-04
+8.863494149409234524e-04
+1.086008735001087189e-03
+1.013301080092787743e-03
+7.445754017680883408e-04
+3.951662511099129915e-04
+6.095965727581642568e-05
+-2.119145792676135898e-04
+-3.974559367634356022e-04
+-4.973005270585417747e-04
+-5.063059506937861443e-04
+-4.135187191423028708e-04
+-2.298110339324921370e-04
+1.555431481392588466e-05
+2.808148565236479044e-04