From c80de8211fbffbd4e406a8ee646f9f75cd386c15 Mon Sep 17 00:00:00 2001
From: dennischan <48424802+dennischancs@users.noreply.github.com>
Date: Tue, 8 Mar 2022 12:21:29 +0800
Subject: [PATCH] fix  `nargin < 4` : figure without an extension

add the line code `filename=[filename,'.',char(imageFormat)];`
---
 plotly/export_fig2/write_image.m | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plotly/export_fig2/write_image.m b/plotly/export_fig2/write_image.m
index bf84f72e..9e88dad7 100644
--- a/plotly/export_fig2/write_image.m
+++ b/plotly/export_fig2/write_image.m
@@ -15,6 +15,7 @@
     width=pfObj.layout.width;
     scale=1;
 elseif nargin < 4
+    filename=[filename,'.',char(imageFormat)];
     height=pfObj.layout.height;
     width=pfObj.layout.width;
     scale=1;