Tropical cyclone names and Maldives: Hibaru, Gonu, Aila, Keila, Madi, Roanu, Mekunu, Hikaa

Tropical cyclones are given names based on a small list containing a set of names for every year by the World Meteorological Organization. Names are given because it is easier to refer to and remember. The list is rotated every few years and names are reused. "Katrina" and "Sandy", became widely known because these tropical storms went onto develop into hurricanes and cause devastating damage in the US. There are different lists for different areas (ocean basins) of the world.

But what I didn't know before was that there is a list of names contributed by Maldives as well, for naming tropical cyclones in the Northern Indian Ocean. The names contributed by Maldives are all local Dhivehi names for different fish: Hibaru, Gonu, Aila, Keila, Madi, Roanu, Mekunu and Hikaa.

I am not sure if there's been any actual tropical cyclone that has been given a Maldives contributed name though...

Ludge pointed me to a note "Cyclones Named by Maldives" that he had posted on Facebook in 2009 that had a lot more information on this:
Maldives has provided names to cyclones before, such as Cyclone Hibaru (January 2005), Cyclone Gonu (June 2007) and now Cyclone Aila (May 2009).

Cyclone Gonu is the "strongest tropical cyclone on record in the Arabian Sea, and is also the strongest named cyclone in the northern Indian Ocean".

Thaana on Android: Font installation

I have owned a Google Nexus One device since it came out early this year and I love it for the great hardware specifications of the phone and the customizability of Android. As usual, one of the first things I did when I got it was to explore Thaana usage on the Android OS. I have been meaning to do a write up since, so after almost a year here it is finally! This post addresses getting Thaana to display by installing a Thaana font.


With a healthy ecosystem of phones and tablets running Android now available, the free and open-source Android mobile operating system seem to be getting more and more popular across the world and in Maldives. Its official app-store hosts a large number of applications, a lot of which are free, and there are a number of third-party app-stores with more relaxed rules around as well. There is a healthy and growing developer community that's taking advantage of the open code to add new features and hack in interesting modifications - like the Nexus One does not officially have a FM radio or support HD video but developers have added code hacks for both into a custom ROM!

As awesome as Android is, unfortunately, all versions of the official Android OS (including the latest version 2.2 (Froyo) release) has limited support for international scripts, which is bad news for Thaana. Android can display Thaana characters as it supports Unicode fonts but it looks all jumbled up when diplayed as Android lacks support for bi-directional text rendering, both in the OS and the included web browser. The lack of BiDi support means Thaana input is also impossible as Thaana is a right-to-left script.

The next version of Android, version 2.3 (Gingerbread), is scheduled to have BiDi support and better support for international scripts, so hopefully that fixes things although it still wouldn't officially support Thaana.

The only easy way currently, as far as I am aware of, of viewing Thaana on Android correctly is by using Opera Mobile browser with Thaana fonts installed in Android. Now, none of the Android-based devices on the market seem to ship with a Thaana-supporting Unicode font preinstalled and Android does not currently provide a mechanism for user installation of fonts which means the process of installing a Thaana font is a little bit convoluted.

Installing Thaana fonts

Next, you need to install the Thaana font. Chopey has already posted a guide on how to do it manually and Gaanagaa has posted a Windows-based software to do automatically for you. I favour a different approach which relies on using a special Zip file to update your Android with the Thaana fonts in a manner similar to how Android devices update themselves with new releases. This method is, in my opinion, a lot easier and you do not need anything other than a rooted phone and the zip file I have prepared to do it. I have packaged the free FreeSerif font which includes beautiful Thaana glyphs as well as a large number of other characters from other writing systems.

Using my Thaana fonts update for Android
1. Make sure your device is rooted. You will need a rooted device to install any font via any method, including this one. There are a number of guides and free software available on the web for various Android phones (try or or to help you do just that.

2. Put update_thaanafonts(jaa) to the root of the SD card in your device. You can do this by downloading the file straight from the web on to the SD card of your device OR download the file to your computer first and copy it to your device using a cable or Bluetooth.

3. Power off your phone and boot into recovery mode. The specifics of how you do this depends on which recovery tool was installed during rooting of your phone but involves pressing some combination of keys at the same time to start your device in recovery mode. Try the methods listed here if you aren't sure.

4. Select the update from Zip option in your recovery tool and select the update_thaanafonts(jaa) file from the list and OK it.

5. The update should progress and will ask you to reboot once completed.

6. Congratulations you now have a Thaana font installed! To make any practical use of it, you will need to install the Opera Mobile browser application available for free on the Android Market.

Enjoy :-)

Thaana on Amazon Kindle

I tinkered with the Amazon Kindle ebook reader device a few nights back and explored the use of Thaana on it. Here are my findings.


The Kindle is an amazing product - the screen is extremely easy on the eyes, the device is light and comfortable to handle and the battery lasts for a few weeks without a charge. The software supports MOBI, PRC, TXT, TPZ, AAX and PDF format books and documents and also includes a web browser.

Kindle 2 devices do not come with any Thaana Unicode fonts bundled in, hence making it impossible to view Thaana documents on a vanilla device. Kindle 3 does come with the impressive Code2000 Unicode font bundled in. This is good news for Thaana support as Code2000 currently contains over 61,000 glyphs from a huge range of writing systems and has supported Thaana for what must be close to a decade. However, the use of Code2000 seems to be limited to the web browser and is not involved in rendering ebooks.

It is possible to use either of the Kindle font hacks (see "Adding a Thaana font" below) to replace the system's ebook reader font to get Thaana to display within the reader component for all of the supported ebook formats. But this turns out to be pointless as neither device has proper support for handling right-to-left scripts like Thaana and hence words and paragraphs are all jumbled up in reverse.

Kindle screenshot: No Thaana characters in a vanilla device
Kindle screenshot: No Thaana characters in a vanilla device

Kindle screenshot: Thaana characters display after hack
Kindle screenshot: Thaana characters display after hack

PDF with font-embedding: The only thing that works!

The only ebook format that worked for Thaana was PDF with font-embedding (PDFs without the fonts embedded fails to render Thaana correctly even when the device was loaded with a Thaana Unicode font). Many of the existing Thaana PDF documents work just fine (see the screenshots below) as most of them have the required Thaana fonts embedded.

Kindle screenshot: PDF with Thaana fonts embedded
Kindle screenshot: PDF with Thaana fonts embedded

Kindle screenshot: Thaana Quran translation PDF
Kindle screenshot: Thaana Quran translation PDF.

Thaana in the browser

Thaana viewing via the WebKit-based web browser in Kindle was flawless in websites using Unicode Thaana (hence Haveeru Daily website is excluded). Code2000 has decent Thaana glyphs and looks very much readable on the device.

Kindle screenshot: on Kindle
Kindle screenshot: on Kindle

Unlike desktop systems, there is no native option to switch to a Thaana keyboard but because Javascript works, Thaana entry on websites using my Javascript Thaana Keyboard handler works just fine.

Kindle screenshot: Thaana entry using JTK
Kindle screenshot: Thaana entry using JTK

Adding a Thaana font

There are two ways of loading a Kindle with a Thaana font, though it is quite pointless for ebook reading purposes due to the reasons above. The rooted device method can be used to replace Code2000 with a font of your liking within the browser but keep in mind that Kindle will use the same font for the glyphs for English, numbers and puncuation and hence the font should be easy on the eye. In my opinion, this rules out most of the existing Thaana fonts, especially the common ones such as Faruma and the MV series of Thaana Unicode fonts. The best font I could find was the opensourced GNU Freefont which has very nice English glyphs and also includes the Thaana glyphs from Mohamed Ishan's Thaana Unicode Akeh font.

Rooted device + font replacement method
This method makes permanent changes to the Kindle and requires that you root your Kindle through a very simple procedure and install an associated custom fonts hack. The details are available here.

User fonts method
This method only works for Kindle 3 devices and does not require rooting the device and makes temporary changes to the Kindle by enabling a hidden user font mode in the device. The changes persist as long as you do not alter the font-face settings on the Kindle. Details on how to do this are available here.

Creating Thaana ebooks

For now, the only method for getting Thaana to work on Kindle devices seem to be via font-embedding in PDF documents. The easiest, and perhaps the most cost effective, method of producing such documents would be to prepare the document using your choice of document editor (like MS Word or OpenOffice) and printing out the document to the virtual printer provided by print-to-PDF software such as the free PDFCreator applications.

How-to for Windows:
1. Download and install the PDFCreator application.
2. Go to the print function in whichever software you are using and select the PDFCreator virual printer.

3. When the PDFCreator print window comes up, click the "Options" button.

4. On the PDFCreator print options window that comes up. Select "PDF" under "Formats" from the left, switch the "Fonts" tab and make sure "Embed all fonts" is ticked. Customise the "Subset font..." option if you would like and click "Save".

5. You only need to set font embedding as above once and the program will use it in future prints. When you are back at the print screen, set the Document title and other details as you please and click "Save".

To ensure that the PDF you saved (or any other PDF that you may have) has the Thaana fonts embedded, load it up your favourite PDF viewer software and check the document properties.


Thaana on Kindle is very limited for now. The only option to produce and read Thaana ebooks is using the PDF ebook format with the Thaana fonts embedded in the PDF. This does mean that Kindle devices can be used to read Thaana without rooting or any hacks. Thaana usage on the web browser in Kindle matches that of a mobile device or even a desktop or laptop computer.


Dhivehi article on the lunar eclipse of 31st December

I published a Dhivehi article over at Muraasil on the lunar eclipse to occur on the 31st of this month.

Thaana text rendering: A solution for devices without the required fonts

A few years ago I wrote a PHP-based Thaana text rendering class while investigating solutions to the problem of displaying Thaana text in web browsers on various devices. The class dynamically converts any given Thaana text into a formatted image of given dimensions and type. The use of images to display Thaana means that the information can be viewed on a large variety of devices and does away with the demand for the device to support Thaana fonts. On the flip side, the use of images does mean that this approach has higher bandwidth and data transfer requirements than text.


The class makes use of the powerful image manipulation services provided by the GD library to create images from text and hence inherits the wide of features it offers. However, since the GD library does not (or atleast did not, back then) support right-to-left scripts and does not offer line wrapping to fit text within a bounding box, custom code had to be written to handle the unsupported text direction and formatting. The class also supports use of any Thaana font, made possible by GD support for loading TrueType fonts.


This piece of code was briefly put to live use around 2004 on the (now defunct)'s Radheef service. More recently, it has been put to great use by to display Thaana on their mobile service so that user's can read news in Thaana on mobile devices, including Windows Mobile-based phones and the iPhone.


Give it a go and play around: Thaana text rendering demo.

I am not releasing the code publicly just yet...

Thaana Common Fonts Research

Thaana Common Fonts Research (CFR) is a Thaana related research project I launched late last month and has been running since. Today, I finally got around to writing down some introductory information on the project, so here it is.


This project will conduct some basic research into the prevalence and distribution of Thaana fonts.


The investigation is aimed at obtaining:
- An understanding of the prevalence of individual Thaana fonts
- An understanding of the co-occurrence dynamics of Thaana fonts
- The distribution of Thaana Unicode and non-Unicode Thaana fonts
- The OS dependence of the fonts


This study will help us to:
- Get a first look into the distribution of Thaana fonts
- Develop recommendations for the use of fonts on the web
- Develop recommendations for the use of fonts in software and in documents
- Formulate plans for improving the reach of Thaana (and hence, Dhivehi)


The research is conducted via the World Wide Web by sampling the fonts installed on the devices used by Maldivian web users.

The process goes like as follows:
1) A small, invisible Flash-based data collector is embedded into websites.
2) When a user visits a participating website, the data collector automatically compiles a list of the fonts installed on the system. This is done once per user device.
3) The font names and the operating system of the user is sent to my server where the data is logged for later analysis.

It is intended that data sample collection will be carried out until the end of this month (June 2009).


Webmasters and website owners can participate and contribute to this research by embedding the Flash-based data collector using the HTML code shown below into their website. Please change the DOMAINHERE bit to the domain name of your site so that I know who to chase if there are issues. The field is also used to note your contribution and participation in the project.
<object data="" height="1" width="1" type="application/x-shockwave-flash">
	<param name="flashvars" value="site=DOMAINHERE" />
	<param name="movie" value="" />

If you operate a high traffic Thaana-based website, I urge you to consider participating and help make this project a success. My thanks in advance!


As of writing this post, 2293 data samples has been collected and 269 Thaana fonts have been identified and is being tracked.

You can see LIVE stats on the CFR project home.

Javascript Thaana Keyboard version 4.2.1

Here's an update to my Javascript Thaana Keyboard library which provides easy entry of Thaana on web pages without the involvement of OS-based keyboard switching. Hit the demo page to see it in action.

This release is solely a bugfix release addressing an issue with the display of newly entered text in multiline fields where text exceeds the size of the visible area. I originally cut this release in February but decided to hold back on a public release till I had further issues to fix or had new features added, neither of which has come since...

Thanks goes to Ahmed Ali for bringing the bug to my attention.


+ Fixed issue with the display of newly entered text in multiline fields where text exceeds the size of the visible area.


Usage remains same as before. Please refer to my detailed post on the 4.0 release.


As usual, a demonstration and testing page is available.


- full source version (5.66 KB)
- packed version (2.47 KB) [recommended]