diff --git a/demo/plate1n/data/sample-x190-y285-signal-Txx.csv b/demo/plate1n/data/sample-x190-y285-signal-Txx.csv
new file mode 100644
index 0000000..7f1ba31
--- /dev/null
+++ b/demo/plate1n/data/sample-x190-y285-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
+-1.021995668624638462e-37
+-4.275182955154424835e-34
+-9.646399105842175876e-31
+-1.313568096321172916e-27
+-1.102446229858913297e-24
+-5.801509784065045127e-22
+-1.940418763243704051e-19
+-4.166760870080306561e-17
+-5.782324624540105540e-15
+-5.200536724349336115e-13
+-3.027499778651687734e-11
+-1.133850680012926659e-09
+-2.699071366407679307e-08
+-4.003873641522659454e-07
+-3.593153223846456967e-06
+-1.872481698228511959e-05
+-5.424134724307805300e-05
+-8.872251055436208844e-05
+-1.032025975291617215e-04
+-9.363394201500341296e-05
+-1.955865627678576857e-05
+1.119859152822755277e-04
+3.001889563165605068e-04
+5.093246581964194775e-04
+6.508974474854767323e-04
+6.257925415411591530e-04
+3.993814461864531040e-04
+-5.516303281183354557e-05
+-6.193300941959023476e-04
+-1.160056563094258308e-03
+-1.503570820204913616e-03
+-1.525985193438827991e-03
+-1.188746537081897259e-03
+-5.895568174310028553e-04
+1.044289965648204088e-04
+6.879573338665068150e-04
+1.042462768964469433e-03
+1.130751217715442181e-03
+1.029225764796137810e-03
+8.669601520523428917e-04
+7.542726816609501839e-04
+7.374580018222332001e-04
+7.710052304901182652e-04
+7.434222497977316380e-04
+5.502526764757931232e-04
+1.500197977293282747e-04
+-4.083874227944761515e-04
+-9.941349271684885025e-04
+-1.436372753232717514e-03
+-1.591115491464734077e-03
+-1.406110473908483982e-03
+-9.321438265033066273e-04
+-3.024998004548251629e-04
+3.085912612732499838e-04
+7.503148517571389675e-04
+9.363417630083858967e-04
+8.511375053785741329e-04
+5.472079501487314701e-04
+1.518263161415234208e-04
+-2.119097771355882287e-04
+-4.597251245286315680e-04
+-5.270423716865479946e-04
+-4.228012694511562586e-04
+-1.916262990562245250e-04
+1.094743347493931651e-04
+3.747547743842005730e-04
+5.316573660820722580e-04
+5.777730257250368595e-04