use GetSampleShape() method and go mod update

go.mod

@@ -3,8 +3,8 @@ module github.com/emer/leabra/v2
 go 1.22
 
 require (
-	cogentcore.org/core v0.3.3-0.20240821175244-e58d15222272
-	github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240821185300-2fdedc8771da
+	cogentcore.org/core v0.3.3-0.20240823053213-f975eb9c487c
+	github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240823054321-fa1ced2f310e
 )
 
 require (

go.sum

@@ -1,5 +1,5 @@
-cogentcore.org/core v0.3.3-0.20240821175244-e58d15222272 h1:Rg4+pPgZmyuwdVIPlvInNnub4eF4CN0e6n4vRepfj3M=
-cogentcore.org/core v0.3.3-0.20240821175244-e58d15222272/go.mod h1:dg3uRsPcd8S1ZYvRD2TztCtjopRkrB5V/lbl54xsQd4=
+cogentcore.org/core v0.3.3-0.20240823053213-f975eb9c487c h1:fPTsOnzaFa9WVzplGW7JtTAnQ845uc5c3t/kcklASHQ=
+cogentcore.org/core v0.3.3-0.20240823053213-f975eb9c487c/go.mod h1:dg3uRsPcd8S1ZYvRD2TztCtjopRkrB5V/lbl54xsQd4=
 github.com/Bios-Marcel/wastebasket v0.0.4-0.20240213135800-f26f1ae0a7c4 h1:6lx9xzJAhdjq0LvVfbITeC3IH9Fzvo1aBahyPu2FuG8=
 github.com/Bios-Marcel/wastebasket v0.0.4-0.20240213135800-f26f1ae0a7c4/go.mod h1:FChzXi1izqzdPb6BiNZmcZLGyTYiT61iGx9Rxx9GNeI=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
@@ -34,8 +34,8 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlclark/regexp2 v1.11.0 h1:G/nrcoOa7ZXlpoa/91N3X7mM3r8eIlMBBJZvsz/mxKI=
 github.com/dlclark/regexp2 v1.11.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
-github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240821185300-2fdedc8771da h1:w8nmwNT7/RdTCHBW1XXBDLLz5hPCcSXMvC79nOHBqcI=
-github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240821185300-2fdedc8771da/go.mod h1:RXZ29Mze6HXSxFQ3nFZa1HJy2FgVP2oiUG4s6/l3UUo=
+github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240823054321-fa1ced2f310e h1:Gq3gh91l0/Vryi9XvHj+YcI/aiRXHb99VD2TwKLJwJw=
+github.com/emer/emergent/v2 v2.0.0-dev0.1.0.0.20240823054321-fa1ced2f310e/go.mod h1:2yo06CIEywfYDU5T+gFc151JSAnxq/JEfWxLzOoA/sE=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=

leabra/logging.go

@@ -118,7 +118,7 @@ func LogAddPCAItems(lg *elog.Logs, net *Network, mode etime.Modes, times ...etim
 		lg.AddItem(&elog.Item{
 			Name:      clnm + "_ActM",
 			Type:      reflect.Float64,
-			CellShape: cly.SampleShape.Sizes,
+			CellShape: cly.GetSampleShape().Sizes,
 			FixMax:    true,
 			Range:     minmax.F32{Max: 1},
 			Write: elog.WriteMap{