From 3517b75b715fa62ae1e5e7b54cc0eb6b4397f8f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20Mei=C3=9Fl?= <stephan@meissl.name>
Date: Mon, 29 Mar 2021 18:00:10 +0200
Subject: [PATCH 1/3] Fix broken image

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a660cdba..d18c96ce 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Further documentation can be found [here](https://geotiffjs.github.io/geotiff.js
 
 * [Contour generation using d3-contour](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
 
-[![contour](https://pbs.twimg.com/card_img/850410549196271616/ZKcdfREH?format=jpg&name=600x314)](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
+<iframe width="100%" height="573" frameborder="0" src="https://observablehq.com/embed/@d3/geotiff-contours-ii?cells=chart"></iframe>
 
 ## Setup
 

From ac97e7eb3817b9033ebf34d8f0124d1e0bdf99e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20Mei=C3=9Fl?= <stephan@meissl.name>
Date: Mon, 29 Mar 2021 18:07:59 +0200
Subject: [PATCH 2/3] Use screenshot

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d18c96ce..8ce14b9c 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Further documentation can be found [here](https://geotiffjs.github.io/geotiff.js
 
 * [Contour generation using d3-contour](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
 
-<iframe width="100%" height="573" frameborder="0" src="https://observablehq.com/embed/@d3/geotiff-contours-ii?cells=chart"></iframe>
+[![contour](https://user-images.githubusercontent.com/482265/112865971-98182200-90b9-11eb-80e3-96e926c39f34.jpg)](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
 
 ## Setup
 

From dfa44b2e25ba019ad823b1bd0a53327beb62328c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20Mei=C3=9Fl?= <stephan@meissl.name>
Date: Mon, 29 Mar 2021 18:11:00 +0200
Subject: [PATCH 3/3] Smaller img

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8ce14b9c..f20f5a4b 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Further documentation can be found [here](https://geotiffjs.github.io/geotiff.js
 
 * [Contour generation using d3-contour](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
 
-[![contour](https://user-images.githubusercontent.com/482265/112865971-98182200-90b9-11eb-80e3-96e926c39f34.jpg)](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
+[![contour](https://user-images.githubusercontent.com/482265/112866402-0b219880-90ba-11eb-9dda-5f1d9ed9bafc.jpg)](https://bl.ocks.org/mbostock/83c0be21dba7602ee14982b020b12f51)
 
 ## Setup