add info for overview and motivation

tutorial/_toc.yml

@@ -42,6 +42,8 @@ parts:
 
 - caption: Part 3
   chapters:
+  - file: part3/intro
+    title: Unlocking the Power of Space Data with Pangeo & OpenEO
   - file: part3/data_discovery
     title: Data discoverability and searchability
   - file: part3/chunking_introduction

tutorial/part1/motivation.md

@@ -1 +1,34 @@
-# Introduction and Motivation
+# Introduction and Motivation
+
+
+[Pangeo](https://pangeo.io) is a global community initiative for Big Geoscience Data that promotes open, reproducible, and scalable science:
+
+- Open Community
+- Open Platform with deployments that can be customized for every needs and for everyone
+
+Since August 2023, Pangeo is a [Numfocus](https://numfocus.org) sponsored project.
+
+![Numfocus](../figures/Numfocus.png)
+
+## Important information about Pangeo
+
+- [Code of Conduct](https://github.com/pangeo-data/governance/blob/master/conduct/code_of_conduct.md 
+- [Governance](https://github.com/pangeo-data/governance/blob/master/governance.md) 
+- [Roadmap](https://pangeo.io/roadmap.html)
+
+
+## Key points
+
+- **No vendor lock-in, no credits needed**; 
+- Easy to start and deployment on laptops, cloud and HPC;
+- “Reference” deployments on different cloud infrastructures; 
+- Team up with other initiatives. It can help to increase DEI (Diversity, Equity and Inclusion):
+      * Educational material and deliver trainings (Pythia, Galaxy);
+      * Training infrastructure as a Service (Pythia, Galaxy, EOSC);
+      * Use Pangeo from GUI (no programming skills required) on Galaxy Europe.
+- Contribute to easy creation of data in analysis-ready, cloud optimized (ARCO) format;
+- Promote the work done by the Pangeo Community and other Geosciences initiatives (Pangeo Show & Tell/Showcase/Pangeo discourse);
+- Pangeo heavily used in industry;
+- **Spin-off** (often from Pangeo community members) and many startups & companies using Pangeo software stack and contributing to Pangeo ecosystem.
+
+

tutorial/part1/overview.md

@@ -1,9 +1,16 @@
 # Overview of the Pangeo ecosystem
 
-Please follow the explanation here [https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html](https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html) and register yourself to Pangeo-EOSC cluster, and connect to Pangeo-EOSC cluster.  
 
-Once you are connected, please open a terminal, and type
-```git clone https://github.com/pangeo-data/pangeo-openeo-BiDS-2023.git```
+- You can find a short introduction to Pangeo [here](https://doi.org/10.5281/zenodo.10070519)
+- Please follow the explanation at [https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html](https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html) and register yourself to Pangeo-EOSC cluster, and connect to Pangeo-EOSC cluster.  
+
+- Once you are connected, please open a terminal, and type:
+
+
+```
+git clone https://github.com/pangeo-data/pangeo-openeo-BiDS-2023.git
+```
+
 
 
 

tutorial/part3/intro.md

@@ -0,0 +1,16 @@
+# Unlocking the Power of Space Data with Pangeo & OpenEO
+
+In this tutorial, we assume you have some prior knowledge about [Pangeo](https://pangeo.io) and [OpenEO](https://openeo.org).
+
+- Please follow the explanation at [https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html](https://pangeo-data.github.io/pangeo-openeo-BiDS-2023/before/EOSC.html) and register yourself to Pangeo-EOSC cluster, and connect to Pangeo-EOSC cluster.  
+
+- Once you are connected, please open a terminal, and type:
+
+
+```
+git clone https://github.com/pangeo-data/pangeo-openeo-BiDS-2023.git
+```
+
+
+
+