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netview.go
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netview.go
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// Copyright (c) 2019, The Emergent Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package netview provides the NetView interactive 3D network viewer,
// implemented in the Cogent Core 3D framework.
package netview
//go:generate core generate -add-types
import (
"image/color"
"log"
"log/slog"
"reflect"
"strings"
"sync"
"time"
"cogentcore.org/core/colors"
"cogentcore.org/core/colors/colormap"
"cogentcore.org/core/core"
"cogentcore.org/core/events"
"cogentcore.org/core/math32"
"cogentcore.org/core/math32/minmax"
"cogentcore.org/core/styles"
"cogentcore.org/core/system"
"cogentcore.org/core/texteditor"
"cogentcore.org/core/tree"
"cogentcore.org/core/types"
"cogentcore.org/core/xyz"
"github.com/emer/emergent/v2/emer"
)
// NetView is a Cogent Core Widget that provides a 3D network view using the Cogent Core gi3d
// 3D framework.
type NetView struct {
core.Frame
// the network that we're viewing
Net emer.Network `set:"-"`
// current variable that we're viewing
Var string `set:"-"`
// current data parallel index di, for networks capable of processing input patterns in parallel.
Di int
// the list of variables to view
Vars []string
// list of synaptic variables
SynVars []string
// map of synaptic variable names to index
SynVarsMap map[string]int
// parameters for the list of variables to view
VarOptions map[string]*VarOptions
// current var params -- only valid during Update of display
CurVarOptions *VarOptions `json:"-" xml:"-" display:"-"`
// parameters controlling how the view is rendered
Options Options
// color map for mapping values to colors -- set by name in Options
ColorMap *colormap.Map
// color map value representing ColorMap
ColorMapButton *core.ColorMapButton
// record number to display -- use -1 to always track latest, otherwise in range
RecNo int
// last non-empty counters string provided -- re-used if no new one
LastCtrs string
// current counters
CurCtrs string
// contains all the network data with history
Data NetData
// mutex on data access
DataMu sync.RWMutex `display:"-" copier:"-" json:"-" xml:"-"`
// these are used to detect need to update
layerNameSizeShown float32
hasPaths bool
pathTypeShown string
pathWidthShown float32
}
func (nv *NetView) Init() {
nv.Frame.Init()
nv.Options.Defaults()
nv.ColorMap = colormap.AvailableMaps[string(nv.Options.ColorMap)]
nv.RecNo = -1
nv.Styler(func(s *styles.Style) {
s.Direction = styles.Column
s.Grow.Set(1, 1)
})
tree.AddChildAt(nv, "tbar", func(w *core.Toolbar) {
w.FinalStyler(func(s *styles.Style) {
s.Wrap = true
})
w.Maker(nv.MakeToolbar)
})
tree.AddChildAt(nv, "netframe", func(w *core.Frame) {
w.Styler(func(s *styles.Style) {
s.Direction = styles.Row
s.Grow.Set(1, 1)
})
nv.makeVars(w)
tree.AddChildAt(w, "scene", func(w *Scene) {
w.NetView = nv
se := w.SceneXYZ()
nv.ViewDefaults(se)
pathsGp := xyz.NewGroup(se)
pathsGp.Name = "Paths"
laysGp := xyz.NewGroup(se)
laysGp.Name = "Layers"
})
})
tree.AddChildAt(nv, "counters", func(w *core.Text) {
w.SetText("Counters: " + strings.Repeat(" ", 200)).
Styler(func(s *styles.Style) {
s.Grow.Set(1, 0)
})
w.Updater(func() {
if w.Text != nv.CurCtrs && nv.CurCtrs != "" {
w.SetText(nv.CurCtrs)
}
})
})
tree.AddChildAt(nv, "vbar", func(w *core.Toolbar) {
w.Maker(nv.MakeViewbar)
})
}
// SetNet sets the network to view and updates view
func (nv *NetView) SetNet(net emer.Network) {
nv.Net = net
nv.DataMu.Lock()
nv.Data.Init(nv.Net, nv.Options.MaxRecs, nv.Options.NoSynData, nv.Net.MaxParallelData())
nv.DataMu.Unlock()
nv.UpdateTree() // need children
nv.UpdateLayers()
nv.Current()
}
// SetVar sets the variable to view and updates the display
func (nv *NetView) SetVar(vr string) {
nv.DataMu.Lock()
nv.Var = vr
nv.VarsFrame().Update()
nv.DataMu.Unlock()
nv.Toolbar().Update()
nv.UpdateView()
}
// SetMaxRecs sets the maximum number of records that are maintained (default 210)
// resets the current data in the process
func (nv *NetView) SetMaxRecs(max int) {
nv.Options.MaxRecs = max
nv.Data.Init(nv.Net, nv.Options.MaxRecs, nv.Options.NoSynData, nv.Net.MaxParallelData())
}
// HasLayers returns true if network has any layers -- else no display
func (nv *NetView) HasLayers() bool {
if nv.Net == nil || nv.Net.NumLayers() == 0 {
return false
}
return true
}
// RecordCounters saves the counters, so they are available for a Current update
func (nv *NetView) RecordCounters(counters string) {
nv.DataMu.Lock()
defer nv.DataMu.Unlock()
if counters != "" {
nv.LastCtrs = counters
}
}
// Record records the current state of the network, along with provided counters
// string, which is displayed at the bottom of the view to show the current
// state of the counters. The rastCtr is the raster counter value used for
// the raster plot mode -- use -1 for a default incrementing counter.
// The NetView displays this recorded data when Update is next called.
func (nv *NetView) Record(counters string, rastCtr int) {
nv.DataMu.Lock()
defer nv.DataMu.Unlock()
if counters != "" {
nv.LastCtrs = counters
}
nv.Data.PathType = nv.Options.PathType
nv.Data.Record(nv.LastCtrs, rastCtr, nv.Options.Raster.Max)
nv.RecTrackLatest() // if we make a new record, then user expectation is to track latest..
}
// RecordSyns records synaptic data -- stored separate from unit data
// and only needs to be called when synaptic values are updated.
// Should be done when the DWt values have been computed, before
// updating Wts and zeroing.
// NetView displays this recorded data when Update is next called.
func (nv *NetView) RecordSyns() {
nv.DataMu.Lock()
defer nv.DataMu.Unlock()
nv.Data.RecordSyns()
}
// GoUpdateView is the update call to make from another go routine
// it does the proper blocking to coordinate with GUI updates
// generated on the main GUI thread.
func (nv *NetView) GoUpdateView() {
if !nv.IsVisible() || !nv.HasLayers() {
return
}
sw := nv.SceneWidget()
se := sw.SceneXYZ()
sw.Scene.AsyncLock()
nv.UpdateImpl()
se.SetNeedsRender()
sw.NeedsRender()
sw.Scene.AsyncUnlock()
if core.TheApp.Platform() == system.Web {
time.Sleep(time.Millisecond) // critical to prevent hanging!
}
}
// UpdateView updates the display based on last recorded state of network.
func (nv *NetView) UpdateView() {
if !nv.IsVisible() || !nv.HasLayers() {
return
}
sw := nv.SceneWidget()
nv.UpdateImpl()
sw.XYZ.SetNeedsRender()
sw.NeedsRender()
}
// Current records the current state of the network, including synaptic values,
// and updates the display. Use this when switching to NetView tab after network
// has been running while viewing another tab, because the network state
// is typically not recored then.
func (nv *NetView) Current() { //types:add
nv.Record("", -1)
nv.RecordSyns()
nv.UpdateView()
}
// UpdateImpl does the guts of updating -- backend for Update or GoUpdate
func (nv *NetView) UpdateImpl() {
nv.DataMu.Lock()
vp, ok := nv.VarOptions[nv.Var]
if !ok {
nv.DataMu.Unlock()
log.Printf("NetView: %v variable: %v not found\n", nv.Name, nv.Var)
return
}
nv.CurVarOptions = vp
if !vp.Range.FixMin || !vp.Range.FixMax {
needUpdate := false
// need to autoscale
min, max, ok := nv.Data.VarRange(nv.Var)
if ok {
vp.MinMax.Set(min, max)
if !vp.Range.FixMin {
nmin := float32(minmax.NiceRoundNumber(float64(min), true)) // true = below
if vp.Range.Min != nmin {
vp.Range.Min = nmin
needUpdate = true
}
}
if !vp.Range.FixMax {
nmax := float32(minmax.NiceRoundNumber(float64(max), false)) // false = above
if vp.Range.Max != nmax {
vp.Range.Max = nmax
needUpdate = true
}
}
if vp.ZeroCtr && !vp.Range.FixMin && !vp.Range.FixMax {
bmax := math32.Max(math32.Abs(vp.Range.Max), math32.Abs(vp.Range.Min))
if !needUpdate {
if vp.Range.Max != bmax || vp.Range.Min != -bmax {
needUpdate = true
}
}
vp.Range.Max = bmax
vp.Range.Min = -bmax
}
if needUpdate {
tb := nv.Toolbar()
tb.UpdateTree()
tb.NeedsRender()
}
}
}
nv.SetCounters(nv.Data.CounterRec(nv.RecNo))
nv.UpdateRecNo()
nv.DataMu.Unlock()
nv.UpdateLayers()
}
// // ReconfigMeshes reconfigures the layer meshes
// func (nv *NetView) ReconfigMeshes() {
// se := nv.SceneXYZ()
// se.ReconfigMeshes()
// }
func (nv *NetView) Toolbar() *core.Toolbar {
return nv.ChildByName("tbar", 0).(*core.Toolbar)
}
func (nv *NetView) NetFrame() *core.Frame {
return nv.ChildByName("netframe", 1).(*core.Frame)
}
func (nv *NetView) Counters() *core.Text {
return nv.ChildByName("counters", 2).(*core.Text)
}
func (nv *NetView) Viewbar() *core.Toolbar {
return nv.ChildByName("vbar", 3).(*core.Toolbar)
}
func (nv *NetView) SceneWidget() *Scene {
return nv.NetFrame().ChildByName("scene", 1).(*Scene)
}
func (nv *NetView) SceneXYZ() *xyz.Scene {
return nv.SceneWidget().SceneXYZ()
}
func (nv *NetView) VarsFrame() *core.Tabs {
return nv.NetFrame().ChildByName("vars", 0).(*core.Tabs)
}
// SetCounters sets the counters widget view display at bottom of netview
func (nv *NetView) SetCounters(ctrs string) {
if ctrs == "" {
return
}
nv.CurCtrs = ctrs
ct := nv.Counters()
ct.UpdateWidget().NeedsRender()
}
// UpdateRecNo updates the record number viewing
func (nv *NetView) UpdateRecNo() {
vbar := nv.Viewbar()
rlbl := vbar.ChildByName("rec", 10)
if rlbl != nil {
rlbl.(*core.Text).UpdateWidget().NeedsRender()
}
}
// RecFullBkwd move view record to start of history.
func (nv *NetView) RecFullBkwd() bool {
if nv.RecNo == 0 {
return false
}
nv.RecNo = 0
return true
}
// RecFastBkwd move view record N (default 10) steps backward. Returns true if updated.
func (nv *NetView) RecFastBkwd() bool {
if nv.RecNo == 0 {
return false
}
if nv.RecNo < 0 {
nv.RecNo = nv.Data.Ring.Len - nv.Options.NFastSteps
} else {
nv.RecNo -= nv.Options.NFastSteps
}
if nv.RecNo < 0 {
nv.RecNo = 0
}
return true
}
// RecBkwd move view record 1 steps backward. Returns true if updated.
func (nv *NetView) RecBkwd() bool {
if nv.RecNo == 0 {
return false
}
if nv.RecNo < 0 {
nv.RecNo = nv.Data.Ring.Len - 1
} else {
nv.RecNo -= 1
}
if nv.RecNo < 0 {
nv.RecNo = 0
}
return true
}
// RecFwd move view record 1 step forward. Returns true if updated.
func (nv *NetView) RecFwd() bool {
if nv.RecNo >= nv.Data.Ring.Len-1 {
nv.RecNo = nv.Data.Ring.Len - 1
return false
}
if nv.RecNo < 0 {
return false
}
nv.RecNo += 1
if nv.RecNo >= nv.Data.Ring.Len-1 {
nv.RecNo = nv.Data.Ring.Len - 1
}
return true
}
// RecFastFwd move view record N (default 10) steps forward. Returns true if updated.
func (nv *NetView) RecFastFwd() bool {
if nv.RecNo >= nv.Data.Ring.Len-1 {
nv.RecNo = nv.Data.Ring.Len - 1
return false
}
if nv.RecNo < 0 {
return false
}
nv.RecNo += nv.Options.NFastSteps
if nv.RecNo >= nv.Data.Ring.Len-1 {
nv.RecNo = nv.Data.Ring.Len - 1
}
return true
}
// RecTrackLatest sets view to track latest record (-1). Returns true if updated.
func (nv *NetView) RecTrackLatest() bool {
if nv.RecNo == -1 {
return false
}
nv.RecNo = -1
return true
}
// NetVarsList returns the list of layer and path variables for given network.
// layEven ensures that the number of layer variables is an even number if true
// (used for display but not storage).
func (nv *NetView) NetVarsList(net emer.Network, layEven bool) (nvars, synvars []string) {
if net == nil || net.NumLayers() == 0 {
return nil, nil
}
unvars := net.UnitVarNames()
synvars = net.SynVarNames()
ulen := len(unvars)
tlen := ulen + 2*len(synvars)
nvars = make([]string, tlen)
copy(nvars, unvars)
st := ulen
for pi := 0; pi < len(synvars); pi++ {
nvars[st+2*pi] = "r." + synvars[pi]
nvars[st+2*pi+1] = "s." + synvars[pi]
}
return
}
// VarsListUpdate updates the list of network variables
func (nv *NetView) VarsListUpdate() {
nvars, synvars := nv.NetVarsList(nv.Net, true) // true = layEven
if len(nvars) == len(nv.Vars) {
return
}
nv.Vars = nvars
nv.VarOptions = make(map[string]*VarOptions, len(nv.Vars))
nv.SynVars = synvars
nv.SynVarsMap = make(map[string]int, len(synvars))
for i, vn := range nv.SynVars {
nv.SynVarsMap[vn] = i
}
unprops := nv.Net.UnitVarProps()
pathprops := nv.Net.SynVarProps()
for _, nm := range nv.Vars {
vp := &VarOptions{Var: nm}
vp.Defaults()
var vtag string
if strings.HasPrefix(nm, "r.") || strings.HasPrefix(nm, "s.") {
vtag = pathprops[nm[2:]]
} else {
vtag = unprops[nm]
}
if vtag != "" {
vp.SetProps(vtag)
}
nv.VarOptions[nm] = vp
}
}
// makeVars configures the variables
func (nv *NetView) makeVars(netframe *core.Frame) {
nv.VarsListUpdate()
if nv.Net == nil {
return
}
unprops := nv.Net.UnitVarProps()
pathprops := nv.Net.SynVarProps()
cats := nv.Net.VarCategories()
if len(cats) == 0 {
cats = []emer.VarCategory{
{"Unit", "unit variables"},
{"Wt", "connection weight variables"},
}
}
tree.AddChildAt(netframe, "vars", func(w *core.Tabs) {
w.Styler(func(s *styles.Style) {
s.Grow.Set(0, 1)
s.Overflow.Y = styles.OverflowAuto
})
tabs := make(map[string]*core.Frame)
for _, ct := range cats {
tf, tb := w.NewTab(ct.Cat)
tb.Tooltip = ct.Doc
tabs[ct.Cat] = tf
tf.Styler(func(s *styles.Style) {
s.Display = styles.Grid
s.Columns = nv.Options.NVarCols
s.Grow.Set(1, 1)
s.Overflow.Y = styles.OverflowAuto
s.Background = colors.Scheme.SurfaceContainerLow
})
}
for _, vn := range nv.Vars {
cat := ""
pstr := ""
doc := ""
if strings.HasPrefix(vn, "r.") || strings.HasPrefix(vn, "s.") {
pstr = pathprops[vn[2:]]
cat = "Wt" // default
} else {
pstr = unprops[vn]
cat = "Unit"
}
if pstr != "" {
rstr := reflect.StructTag(pstr)
doc = rstr.Get("doc")
cat = rstr.Get("cat")
if rstr.Get("display") == "-" {
continue
}
}
tf, ok := tabs[cat]
if !ok {
slog.Error("emergent.NetView UnitVarProps 'cat' name not found in VarCategories list", "cat", cat, "variable", vn)
cat = cats[0].Cat
tf = tabs[cat]
}
w := core.NewButton(tf).SetText(vn)
if doc != "" {
w.Tooltip = vn + ": " + doc
}
w.SetText(vn).SetType(core.ButtonAction)
w.OnClick(func(e events.Event) {
nv.SetVar(vn)
})
w.Updater(func() {
w.SetSelected(w.Text == nv.Var)
})
}
})
}
// ViewDefaults are the default 3D view params
func (nv *NetView) ViewDefaults(se *xyz.Scene) {
se.Camera.Pose.Pos.Set(0, 1.5, 2.5) // more "top down" view shows more of layers
// vs.Camera.Pose.Pos.Set(0, 1, 2.75) // more "head on" for larger / deeper networks
se.Camera.Near = 0.1
se.Camera.LookAt(math32.Vec3(0, 0, 0), math32.Vec3(0, 1, 0))
nv.Styler(func(s *styles.Style) {
se.Background = colors.Scheme.Background
})
xyz.NewAmbient(se, "ambient", 0.1, xyz.DirectSun)
xyz.NewDirectional(se, "directional", 0.5, xyz.DirectSun).Pos.Set(0, 2, 5)
xyz.NewPoint(se, "point", .2, xyz.DirectSun).Pos.Set(0, 2, -5)
}
// ReadLock locks data for reading -- call ReadUnlock when done.
// Call this surrounding calls to UnitVal.
func (nv *NetView) ReadLock() {
nv.DataMu.RLock()
}
// ReadUnlock unlocks data for reading.
func (nv *NetView) ReadUnlock() {
nv.DataMu.RUnlock()
}
// UnitVal returns the raw value, scaled value, and color representation
// for given unit of given layer. scaled is in range -1..1
func (nv *NetView) UnitValue(lay emer.Layer, idx []int) (raw, scaled float32, clr color.RGBA, hasval bool) {
lb := lay.AsEmer()
idx1d := lb.Shape.Offset(idx)
if idx1d >= lb.Shape.Len() {
raw, hasval = 0, false
} else {
raw, hasval = nv.Data.UnitValue(lb.Name, nv.Var, idx1d, nv.RecNo, nv.Di)
}
scaled, clr = nv.UnitValColor(lay, idx1d, raw, hasval)
return
}
// UnitValRaster returns the raw value, scaled value, and color representation
// for given unit of given layer, and given raster counter index value (0..RasterMax)
// scaled is in range -1..1
func (nv *NetView) UnitValRaster(lay emer.Layer, idx []int, rCtr int) (raw, scaled float32, clr color.RGBA, hasval bool) {
lb := lay.AsEmer()
idx1d := lb.GetSampleShape().Offset(idx)
ridx := lb.SampleIndexes
if len(ridx) == 0 { // no rep
if idx1d >= lb.Shape.Len() {
raw, hasval = 0, false
} else {
raw, hasval = nv.Data.UnitValRaster(lb.Name, nv.Var, idx1d, rCtr, nv.Di)
}
} else {
if idx1d >= len(ridx) {
raw, hasval = 0, false
} else {
idx1d = ridx[idx1d]
raw, hasval = nv.Data.UnitValRaster(lb.Name, nv.Var, idx1d, rCtr, nv.Di)
}
}
scaled, clr = nv.UnitValColor(lay, idx1d, raw, hasval)
return
}
var NilColor = color.RGBA{0x20, 0x20, 0x20, 0x40}
// UnitValColor returns the raw value, scaled value, and color representation
// for given unit of given layer. scaled is in range -1..1
func (nv *NetView) UnitValColor(lay emer.Layer, idx1d int, raw float32, hasval bool) (scaled float32, clr color.RGBA) {
if nv.CurVarOptions == nil || nv.CurVarOptions.Var != nv.Var {
ok := false
nv.CurVarOptions, ok = nv.VarOptions[nv.Var]
if !ok {
return
}
}
if !hasval {
scaled = 0
if lay.StyleName() == nv.Data.PathLay && idx1d == nv.Data.PathUnIndex {
clr = color.RGBA{0x20, 0x80, 0x20, 0x80}
} else {
clr = NilColor
}
} else {
clp := nv.CurVarOptions.Range.ClipValue(raw)
norm := nv.CurVarOptions.Range.NormValue(clp)
var op float32
if nv.CurVarOptions.ZeroCtr {
scaled = float32(2*norm - 1)
op = (nv.Options.ZeroAlpha + (1-nv.Options.ZeroAlpha)*math32.Abs(scaled))
} else {
scaled = float32(norm)
op = (nv.Options.ZeroAlpha + (1-nv.Options.ZeroAlpha)*0.8) // no meaningful alpha -- just set at 80\%
}
clr = colors.WithAF32(nv.ColorMap.Map(norm), op)
}
return
}
func (nv *NetView) Labels() *xyz.Group {
se := nv.SceneXYZ()
lgpi := se.ChildByName("Labels", 1)
if lgpi == nil {
return nil
}
return lgpi.(*xyz.Group)
}
func (nv *NetView) Layers() *xyz.Group {
se := nv.SceneXYZ()
lgpi := se.ChildByName("Layers", 0)
if lgpi == nil {
return nil
}
return lgpi.(*xyz.Group)
}
// ConfigLabels ensures that given label xyz.Text2D objects are created and initialized
// in a top-level group called Labels. Use LabelByName() to get a given label, and
// LayerByName() to get a Layer group, whose Pose can be copied to put a label in
// position relative to a layer. Default alignment is Left, Top.
// Returns true set of labels was changed (mods).
func (nv *NetView) ConfigLabels(labs []string) bool {
se := nv.SceneXYZ()
lgp := nv.Labels()
if lgp == nil {
lgp = xyz.NewGroup(se)
lgp.Name = "Labels"
}
lbConfig := tree.TypePlan{}
for _, ls := range labs {
lbConfig.Add(types.For[xyz.Text2D](), ls)
}
if tree.Update(lgp, lbConfig) {
for i, ls := range labs {
lb := lgp.ChildByName(ls, i).(*xyz.Text2D)
lb.SetText(ls)
// todo:
// lb.SetProperty("text-align", styles.Start)
// lb.SetProperty("vertical-align", styles.Start)
// lb.SetProperty("white-space", styles.WhiteSpacePre)
}
return true
}
return false
}
// LabelByName returns given Text2D label (see ConfigLabels).
// nil if not found.
func (nv *NetView) LabelByName(lab string) *xyz.Text2D {
lgp := nv.Labels()
txt := lgp.ChildByName(lab, 0)
if txt == nil {
return nil
}
return txt.(*xyz.Text2D)
}
// LayerByName returns the xyz.Group that represents layer of given name.
// nil if not found.
func (nv *NetView) LayerByName(lay string) *xyz.Group {
lgp := nv.Layers()
ly := lgp.ChildByName(lay, 0)
if ly == nil {
return nil
}
return ly.(*xyz.Group)
}
// SaveWeights saves the network weights.
func (nv *NetView) SaveWeights(filename core.Filename) { //types:add
nv.Net.AsEmer().SaveWeightsJSON(filename)
}
// OpenWeights opens the network weights.
func (nv *NetView) OpenWeights(filename core.Filename) { //types:add
nv.Net.AsEmer().OpenWeightsJSON(filename)
}
// ShowNonDefaultParams shows a dialog of all the parameters that
// are not at their default values in the network. Useful for setting params.
func (nv *NetView) ShowNonDefaultParams() string { //types:add
nds := nv.Net.AsEmer().NonDefaultParams()
texteditor.TextDialog(nv, "Non Default Params: "+nv.Name, nds)
return nds
}
// ShowAllParams shows a dialog of all the parameters in the network.
func (nv *NetView) ShowAllParams() string { //types:add
nds := nv.Net.AsEmer().AllParams()
texteditor.TextDialog(nv, "All Params: "+nv.Name, nds)
return nds
}
// ShowKeyLayerParams shows a dialog with a listing for all layers in the network,
// of the most important layer-level params (specific to each algorithm)
func (nv *NetView) ShowKeyLayerParams() string { //types:add
nds := nv.Net.KeyLayerParams()
texteditor.TextDialog(nv, "Key Layer Params: "+nv.Name, nds)
return nds
}
// ShowKeyPathParams shows a dialog with a listing for all Recv pathways in the network,
// of the most important pathway-level params (specific to each algorithm)
func (nv *NetView) ShowKeyPathParams() string { //types:add
nds := nv.Net.KeyPathParams()
texteditor.TextDialog(nv, "Key Path Params: "+nv.Name, nds)
return nds
}