Re: [idvusers] IDV Font Quality

I should reiterate what Bill stated.  It would be nice if this could be made 
easier for everyone.  Many people to whom I have suggested this option have 
decided against it.  They only want to use the UI.

Joleen

On Feb 11, 2014, at 12:53 PM, Joleen Feltz wrote:

> Hi,
> 
> I don't often use ISL scripts, but I do use writeImage from the jython shell 
> in McIDAS-V, I believe this would work in IDV as well.  Since it is a 
> challenge to remember everything, I have saved some of my favorite 
> annotations help documentation so that I can copy, paste and adjust as needed:
> 
> fileName = "Something.jpg"
> 
> writeImage(fileName,"matte background=white top=100;matte background=white 
> bottom=150;\
>   colorbar width=500 height=20 anchor=UM place=UM,0,20 showlines=true 
> interval=5 showunit=true display=IASI;\
>   overlay text=IASI Dual Regression Surface Skin Temperature 16:55 UTC 
> place=UM,0,60 anchor=UM color=black fontsize=20 fontface=Arial;\
>   overlay text=2013-05-20 anchor=LM place=LM,0,-90 color=black fontsize=32 
> fontface=Arial;\
>   overlay text=GOES-13 Visible Albedo 16:55 UTC anchor=LM place=LM,0,-60 
> color=black fontsize=24 fontface=Arial;\
>   overlay text=RAP 850-500hPa Wind Shear Vectors 17:00 UTC place=LM,0,-30 
> anchor=LM color=black fontsize=24 fontface=Arial")
> 
> Joleen
> 
> On Feb 11, 2014, at 12:28 PM, the Fingerhuts wrote:
> 
>> All,
>> 
>> To obtain better quality text I often use the drawing control or use an isl 
>> script.
>> 
>> Bill
>> 
>> P.S. Please make this easy for everyone to use.
>> 
>> On 2/11/2014 10:01 AM, Don Murray wrote:
>>> Hi Paul-
>>> 
>>> On 2/10/14 3:41 PM, Paul Graham wrote:
>>>> Is it possible to improve the font quality in IDV, or are there any plans
>>>> afoot by the development team to do so?
>>> 
>>> The font quality varies from platform to platform.  I find that I get 
>>> better quality on Windows than I do with Mac.  But both suffer from the 
>>> effects you see.  Text using fonts gets turned into a series of triangles, 
>>> filling the outline of the letter edges.  I find Century Gothic works 
>>> pretty well, but still not great.  The Hershey fonts use lines only, but 
>>> you see the lines when the text gets big.
>>> 
>>>> It appears IDV does not handle scalable fonts, so often text appears
>>>> pixelated, jagged or with artefacts, especially when rescaled.
>>> 
>>> A possible solution would be to use the Java 3D Text3D objects. That would 
>>> require some significant development to add it to VisAD first, and then 
>>> access that in the IDV.  I'm not aware of anybody who is interested in 
>>> doing that, although it would go a ways towards Unidata's goal of 
>>> "publication quality graphics" for the IDV.
>>> 
>>> Don
>> 
>> 
>> -- 
>> The Fingerhuts
>> Saint Johnsbury, Vt, 05819
>> 
>> email: fingerhuts3@xxxxxxxxx
>> 
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> 
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