From 2e5f8e5b645a8ea1f3c90fb4b519e460fd109ecd Mon Sep 17 00:00:00 2001
From: "Jordan K. Wilson" <j.wilson@gns.cri.nz>
Date: Tue, 22 Oct 2024 21:37:08 +1300
Subject: [PATCH 1/2] feat: add GNSS as a domain

---
 cmd/tilde-config/gnss.go | 34 ++++++++++++++++++++++++++++++++++
 cmd/tilde-config/main.go |  5 +++++
 2 files changed, 39 insertions(+)
 create mode 100644 cmd/tilde-config/gnss.go

diff --git a/cmd/tilde-config/gnss.go b/cmd/tilde-config/gnss.go
new file mode 100644
index 000000000..9c0c2813b
--- /dev/null
+++ b/cmd/tilde-config/gnss.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"math"
+
+	"github.com/GeoNet/delta/meta"
+)
+
+func (t *Tilde) Gnss(set *meta.Set) error {
+	var stns []Station
+
+	// all marks are GNSS stations
+	for _, m := range set.Marks() {
+		stns = append(stns, Station{
+			Code:        m.Code,
+			Description: m.Name,
+			Start:       toTimePtr(m.Start),
+			End:         toTimePtr(m.End),
+			Latitude:    toFloat(fmt.Sprintf("%0.4f", m.Latitude)),
+			Longitude:   toFloat(fmt.Sprintf("%0.4f", m.Longitude)),
+			Elevation:   toFloat(fmt.Sprintf("%0.0f", math.Round(m.Elevation))),
+		})
+	}
+
+	// update domains
+	t.Domains = append(t.Domains, Domain{
+		Name:        "gnss",
+		Description: "Global Navigation Satellite System Sensors",
+		Stations:    stns,
+	})
+
+	return nil
+}
diff --git a/cmd/tilde-config/main.go b/cmd/tilde-config/main.go
index b8416c10d..d91662341 100644
--- a/cmd/tilde-config/main.go
+++ b/cmd/tilde-config/main.go
@@ -100,6 +100,11 @@ func main() {
 		log.Fatalf("unable to build scandoas configuration: %v", err)
 	}
 
+	// update gnss gomain
+	if err := tilde.Gnss(set); err != nil {
+		log.Fatalf("unable to build gnss configuration: %v", err)
+	}
+
 	switch {
 	case settings.output != "":
 		// output file has been given

From 121fc30498df4b5f6c132aea63e539f880195a2d Mon Sep 17 00:00:00 2001
From: "Jordan K. Wilson" <j.wilson@gns.cri.nz>
Date: Wed, 23 Oct 2024 11:44:39 +1300
Subject: [PATCH 2/2] nfc: update help description

---
 cmd/tilde-config/main.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/tilde-config/main.go b/cmd/tilde-config/main.go
index d91662341..812635639 100644
--- a/cmd/tilde-config/main.go
+++ b/cmd/tilde-config/main.go
@@ -48,7 +48,7 @@ func main() {
 	flag.StringVar(&settings.geomag, "geomag", "GM", "geomagnetic network code")
 	flag.StringVar(&settings.scandoas, "scandoas", "EN", "scandoas network code")
 	flag.StringVar(&settings.extra, "extra", "GM=SM_SMHS_50", "attach extra stations and locations to a network, e.g. GM=SM_SMHS_50")
-	flag.StringVar(&settings.output, "output", "", "output dart configuration file")
+	flag.StringVar(&settings.output, "output", "", "output tilde configuration file")
 
 	flag.Parse()