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The Earth, on Android

In the previous month I worked on compiling Marble widget to Android. It was a long and hard road but it is here:


(I shot this screenshot on my phone)

The globe can be rotated, and the user can zoom with the usual zooming gesture. Here is a short video example:

The hardest part was to figure out, how to compile everything with cmake instead of qmake and Qt Creator. There are some very basic things what can sabotage your successfully packaged and deployed app. For example if you did not set a version number in cmake for your library...

As you maybe know Marble also uses some elements of QtWebKit, but this is not supported on Android. So I introduced some dummy classes to substitute these (of course, not in their useability) to be able to compile Marble for Android.

You can find here step-by-step instructions, how to compile Marble Maps for Android:
https://techbase.kde.org/Projects/Marble/AndroidCompiling

The next steps:
We have decided to separate Marble's functionality into two separate apps. I introduce you Marble Maps and Marble Globe. As their name suggests Marble Map will be essentially a map application with navigation, and Marble Globe will be an app where you can switch to other planets, view historical maps, etc. what also can be used for teaching purposes.

The main goal for the summer to give life for Marble Maps. But if everything goes fine, Marble Globe can be expected too.

To close this article, here are some screenshots:







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Marble Maps - Find your way and explore the world on Android!

Update 1: Google Play still not has the newest version, but it is incomming in the following days
Update 2: There is an open beta version now, you can get it from here from Google Play.

Marble Maps has the following features:
MapMarble Maps uses OpenStreetMap's mapWondering around on the mapYou can move the map with one finger by dragging the map with itIt will increase the zoom if you touch double times fast to the mapYou can also zoom with two fingers (only supported on multitouch devices)Handling your positionYou can check your position on the mapYou can check the distance and direction to your position when your position is not visible You can center the view to your positionRoutingYou can plan routes via interactive placemarks, you have to search for something and after that, you can use the result as a waypoint Also, you can modify the route instead of the interactive waypoints with the route editor which is available from the menu
To get the routing instructions, visit the …

SunPy - X-ray VIsibility Synthesis ImagiNg or Xray-VISION - SoCiS 2017

I am pleased to inform you  this summer I am going to work on to create a library for SunPy which enables to create interpretable maps in cases of when the base lines for synthesis images are not following a regular pattern. This library's focus will be to compensate the effect of such cases.

You can find more details about the topic in this article.

Also the upper link contains the reference for the first algorithm (CLEAN) what I am going to implement. My current status is that playing around with little aspects of this task and I try to come up with a good concept how to actually do it. So I spend most of my time reading about it. And thinking about how to do it in a good way. :)

My little bit "more technical" proposal for this summer can be found here at github.

And at the end, I would like to thank for the SunPy community and ESA that I can participate in this program this summer. I hope my work is going to reach the expectations :)

So keep tuned, my next post will c…