diff --git a/demo/plate1n/data/sample-x287-y318-signal-Txx.csv b/demo/plate1n/data/sample-x287-y318-signal-Txx.csv
new file mode 100644
index 0000000..e7a22f5
--- /dev/null
+++ b/demo/plate1n/data/sample-x287-y318-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
+-9.368293442219390659e-38
+-4.215781919529512960e-34
+-9.466600191917802067e-31
+-1.281608059266044492e-27
+-1.068292792790209049e-24
+-5.577387963786769070e-22
+-1.848570695977347241e-19
+-3.928668180413248266e-17
+-5.388473785824642731e-15
+-4.782817479738465938e-13
+-2.743357971346505053e-11
+-1.010487915564795003e-09
+-2.361039364018324704e-08
+-3.430704111906379694e-07
+-3.010673481185222045e-06
+-1.535232513560913503e-05
+-4.397452721605077386e-05
+-7.414926221827045083e-05
+-9.457881969865411520e-05
+-9.480338485445827246e-05
+-4.049579001730307937e-05
+6.900328298797830939e-05
+2.380837395321577787e-04
+4.388013621792197227e-04
+5.964331794530153275e-04
+6.282280664891004562e-04
+4.779490700457245111e-04
+1.045198296196758747e-04
+-4.141694516874849796e-04
+-9.695180342532694340e-04
+-1.397810876369476318e-03
+-1.555723254568874836e-03
+-1.371911377646028996e-03
+-8.841257658787071705e-04
+-2.194105763919651508e-04
+4.349425144027918577e-04
+9.385053999722003937e-04
+1.211438444443047047e-03
+1.273385249078273773e-03
+1.209783134981989861e-03
+1.108192373067140579e-03
+1.015364192426204681e-03
+9.073676192201673985e-04
+7.032821304164826870e-04
+3.326009900774806738e-04
+-2.083317958749830723e-04
+-8.346893009729683399e-04
+-1.388396369293332100e-03
+-1.689699129201471806e-03
+-1.618023263290524483e-03
+-1.175859710201621056e-03
+-4.898282350040972233e-04
+2.348219422856345773e-04
+7.815076387487351894e-04
+1.008756924420595169e-03
+8.933059289120137691e-04
+5.143447779119014740e-04
+2.091642636514734477e-05
+-4.087976994924247265e-04
+-6.571047124452888966e-04
+-6.749767926521599293e-04
+-4.722017620224505663e-04
+-1.282900630030781031e-04
+2.628104120958596468e-04
+6.172310677357017994e-04
+8.338228217326104641e-04
+8.723834180273115635e-04
+7.358325528912246227e-04