[mapserver-users] UTF-8 right to left text

[Ian Walberg]

Jukka,

I had seen that and we are hoping to test it this week.

Regards

Ian

-----Original Message-----
From: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Rahkonen
Jukka
Sent: Sunday, February 26, 2012 9:12 PM
To: mapserver-users at lists.osgeo.org
Subject: Re: [mapserver-users] UTF-8 right to left text

Hi,

Did you know that the fresh Spatialite-gui (v. 3.0.1) can import data
directly from Excel?

-Jukka Rahkonen-
________________________________________
 Ian Walberg wrote:

> Steve,

> Many thanks for getting back to me.

> We have built with that version of fridibi and do get some text labels
displaying correctly.

> The source data is from an excel spread sheet which we export to CSV 
> and
import into the SQLite DB.

> The plan tomorrow is to find a couple of good and bad labels and 
> follow
these through to see if we can find where there are differences, I
looked last week at the hex codes for a good and bad name but did not
come to any clear confusion.

> Does fribidi need  RTL code to display the text correctly? Do you know
how to decode that from the hex?

> Regards

Ian

-----Original Message-----
From: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Stephen
Woodbridge
Sent: Sunday, February 26, 2012 8:52 PM
To: mapserver-users at lists.osgeo.org
Subject: Re: [mapserver-users] UTF-8 right to left text

On 2/26/2012 10:39 PM, Ian Walberg wrote:
> Hello lists,
>
> We cannot get all our Arabic text labels to display correctly, it 
> appears that the incorrectly rendered text is not being drawn right to

> left. Some work and others do not.
>
> Our assumption is that there are some non displaying codes we are 
> missing but we do not know enough yet to work out if this is the case.
>
> The data is in an sqlite database using an OGR connection.
>
> Any ideas or experience that you can share would be fabulous.

Ian,

You need the follow pieces to get this to work:

1. make sure you have built mapserver with fribidi-0.19.2 2. you need a
ttf that supports the character set you are using
    - I always make sure my data is in UTF8
    - and I have a unicode arial.ttf font from Windows 3. make sure your
LABEL block has ENCODING "UTF8" in it
    - assuming your data is in UTF8

On Linux you can do:
$ dbfdump myshapefile.dbf > aaa
$ file aaa

and it will tell you what the encoding is.

Issues that I have run into are:

1. data with mixed utf8 and other encodings like Window-1256 or
ISO-8859-6 2. In UTF8 data there are a lot of glyphs that are connecting
characters or non printing characters and many fonts do not have glyphs
defined for these characters which typically causes a square box to be
displayed.

-Steve W
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