From 02740218c227717421873b1d6e765df2312cbb56 Mon Sep 17 00:00:00 2001
From: Jan <jan.mandel@gmail.com>
Date: Sun, 9 Oct 2022 12:32:28 -0600
Subject: [PATCH] ros2tigng ignores constant tign (> time now), taken as =
 tign_g(1,1)

---
 vis3d/grad.m      | 2 +-
 vis3d/tign2rosg.m | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/vis3d/grad.m b/vis3d/grad.m
index fa5a96f..cba0936 100644
--- a/vis3d/grad.m
+++ b/vis3d/grad.m
@@ -16,4 +16,4 @@ dyy=  y(2:end-1, 3:end)-y(2:end-1, 1:end-2);
 dyn=  sqrt(dxy.^2+dyy.^2);
 dfdy=(f(2:end-1, 3:end)-f(2:end-1, 1:end-2))./dyn;
 
-bend
\ No newline at end of file
+end
\ No newline at end of file
diff --git a/vis3d/tign2rosg.m b/vis3d/tign2rosg.m
index 4cee9ea..677fc46 100644
--- a/vis3d/tign2rosg.m
+++ b/vis3d/tign2rosg.m
@@ -1,5 +1,7 @@
-function r=tign2ros(p,i)
-[gx,gy]=grad(p.fxlong(:,:,i),p.fxlat(:,:,i),p.tign_g(:,:,i));
+function r=tign2rosg(p,i)
+t=p.tign_g(:,:,i);
+t(t==t(1,1))=nan;
+[gx,gy]=grad(p.fxlong(:,:,i),p.fxlat(:,:,i),t);
 gn=sqrt(gx.^2+gy.^2);
 r = 1./gn;
 end
\ No newline at end of file
-- 
2.11.4.GIT