Re: 256 color mode and ximtool
Re: 256 color mode and ximtool
- Subject: Re: 256 color mode and ximtool
- From: Bruce Truax <email@hidden>
- Date: Wed, 17 Sep 2008 13:57:02 -0400
- Thread-topic: 256 color mode and ximtool
Sorry I did not answer that question. The answer is yes, I set the output
in preferences to 256 color mode and when I type " defaults read org.x.x11
depth" I get '8'.
Bruce
On 9/17/08 12:32 PM, "Jeremy Huddleston" <email@hidden> wrote:
> Please answer my other question as well.
>
> Are you *REALLY* using 256 color mode in X11? What is the output if
> you run 'defaults read org.x.x11 depth'? Check X11->Preferences-
>> Output->Colors.
>
> --Jeremy
>
> On Sep 17, 2008, at 09:24, Bruce Truax wrote:
>
>> This did work on Tiger, I just tested it again today on a Tiger
>> system. The
>> ximtool program does use 8-bit pseudocolor.
>>
>> The switch will happen on mouse over if you set focus-follows-mouse,
>> otherwise you do have to click in the window.
>>
>> Bruce
>>
>>
>>
>> On 9/17/08 12:16 PM, "Jeremy Huddleston" <email@hidden> wrote:
>>
>>> First, are you using 256 color mode option? Check X11->Preferences-
>>>> Output? 8bit visuals in TrueColor mode don't work right yet (there
>>> are some problems with the color maps that I haven't traced down yet,
>>> so the colors will be off).
>>>
>>> Did this "color to grey" work in X11 on Tiger? I don't think we
>>> supported an 8bit grayscale visual. Or is it actually using
>>> PseudoColor 8bit grey colormap?
>>>
>>> Is your problem that the switch is happening "on click" rather than
>>> "on mouse over"? If so, I come back to wondering if this worked on
>>> Tiger or not. The window should be getting notifications of mouse
>>> entering or leaving just like any other X11 application does.
>>>
>>> On Sep 17, 2008, at 05:18, Bruce Truax wrote:
>>>
>>>> I just tried ximtool with the new 256 color mode and it does not
>>>> work
>>>> properly. Ximtool is a display tool for astronomy which operates
>>>> only in
>>>> 256 color mode. Normally when you put your mouse within the window
>>>> the
>>>> color map gets switched to 256 greys, when you go out of the window
>>>> the
>>>> colors get remapped to the color mode used by the active window.
>>>> With the
>>>> latest release of X11 the color map will not switch when you
>>>> activate the
>>>> ximtool window. It will switch if you use the mouse to draw a
>>>> cursor on the
>>>> image, then the redrawn area within the cursor will have the correct
>>>> color
>>>> map. But it will not automatically switch when the mouse enters the
>>>> window.
>>>>
>>>> There is another feature of ximtool which also does not work and is
>>>> probably
>>>> related. When the cursor is within the image area and you press on
>>>> the
>>>> right mouse button and move the mouse the color map is supposed to
>>>> update in
>>>> real time changing the greyscale mapping (it adjusts the contrast
>>>> and
>>>> display range). The right mouse button does get sent to the program
>>>> because
>>>> other right mouse button functions work as expected but the
>>>> remapping of the
>>>> colors does not function.
>>>>
>>>> Jeremy, I apologize for not testing this during the rc phase but I
>>>> was using
>>>> X11 for some critical work and I did not want to take the chance of
>>>> breaking
>>>> anything. This is not a critical issue for me because I have
>>>> migrated to
>>>> ds9 for most display tasks but I would like to see ximtool work once
>>>> again
>>>> if possible (it has not worked since the old tiger 256 color mode
>>>> was
>>>> nixed).
>>>>
>>>>
>>>>
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>>
>>
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