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When plotting arrays of curves, plot lines only in the direction

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of (in absolute terms) growing x values.
Example: MOS output characteristics.
In the rare case of plotting versus varying x directions
(e.g. example memristor.sp), one has to add the flag
'retraceplot' to the plot command.
This commit is contained in:
Holger Vogt
2020-02-23 14:27:14 +01:00
parent 00ebe289dd
commit b7b77a9561
6 changed files with 14 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/memristor/memristor.sp
+2 -2
View File
@@ -57,9 +57,9 @@ plot tran1.alli tran2.alli alli title 'Memristor with threshold: Internal Progra
settype impedance xmem.x1 tran1.xmem.x1 tran2.xmem.x1
plot xmem.x1 tran1.xmem.x1 tran2.xmem.x1 title 'Memristor with threshold: resistance'
* resistance versus voltage (change occurs only above threshold!)
plot xmem.x1 vs v(1) tran1.xmem.x1 vs tran1.v(1) tran2.xmem.x1 vs tran2.v(1) title 'Memristor with threshold: resistance'
plot xmem.x1 vs v(1) tran1.xmem.x1 vs tran1.v(1) tran2.xmem.x1 vs tran2.v(1) retraceplot title 'Memristor with threshold: resistance'
* current through resistor for all plots versus voltage
plot i(v1) vs v(1) tran1.i(v1) vs tran1.v(1) tran2.i(v1) vs tran2.v(1) title 'Memristor with threshold: external current loops'
plot i(v1) vs v(1) tran1.i(v1) vs tran1.v(1) tran2.i(v1) vs tran2.v(1) retraceplot title 'Memristor with threshold: external current loops'
.endc
.end
examples/memristor/memristor_x.sp
+4 -4
View File
@@ -47,11 +47,11 @@ Rmem plus minus r={V(x)}
op
print all
ac lin 101 1 100k
plot v(11)
*plot v(11)
* approx. 100 simulation points
let deltime = stime/100
tran $&deltime $&stime uic
* plot i(v1) vs v(1)
*plot i(v1) vs v(1) retrace
*** you may just stop here ***
* raise the frequency
let newfreq = 1.2/stime
@@ -75,9 +75,9 @@ let res2 = tran2.v(1)/(tran2.I(v1) + 1e-16)
settype impedance res res1 res2
plot res vs time res1 vs tran1.time res2 vs tran2.time title 'Memristor with threshold: resistance'
* resistance versus voltage (change occurs only above threshold!)
plot res vs v(1) res1 vs tran1.v(1) res2 vs tran2.v(1) title 'Memristor with threshold: resistance'
plot res vs v(1) res1 vs tran1.v(1) res2 vs tran2.v(1) retraceplot title 'Memristor with threshold: resistance'
* current through resistor for all plots versus voltage
plot i(v1) vs v(1) tran1.i(v1) vs tran1.v(1) tran2.i(v1) vs tran2.v(1) title 'Memristor with threshold: external current loops'
plot i(v1) vs v(1) tran1.i(v1) vs tran1.v(1) tran2.i(v1) vs tran2.v(1) retraceplot title 'Memristor with threshold: external current loops'
.endc
.end