Sheesh! I didn't know there was a "grab" command. I'll try it. I'm new to LC, 
so ... 
Thanks!
Bill

William Prothero
http://es.earthednet.org

On Oct 8, 2013, at 10:42 PM, "Brahmanathaswami, Sannyasin" <[email protected]> 
wrote:

> Why doesn't 
> 
> Grab me
> 
> Work for u?
> 
> On Oct 8, 2013, at 7:36 PM, Earthednet-wp <[email protected]> wrote:
> 
>> Folks,
>> Thanks for the comments. What I'm doing is dragging an image that is larger 
>> than the viewing area. I set the loc of the image (according to the 
>> mouseloc) inside a repeat loop. The general idea is below.
>> 
>> On drag
>> repeat while the mouseStillDown
>>      --set the loc of the image according to the mouseloc
>> end repeat
>> end drag
>> 
>> The motion of the image is pretty jerky. It's a pretty large image. The 
>> reason I wanted to add and subtract points is to calculate the new loc for 
>> the image. I do this now by separating out x and y and operating on them 
>> individually. I suspect that most of the time is spent moving that large 
>> image, though, instead of doing the calculations.
>> 
>> The image is a map, and I intend on plotting symbols on it. To speed this 
>> up, I'm plotting on a snapshot of the visible part of the image (which sits 
>> on top of the visible part). The plot will need to be updated each time the 
>> map is dragged or is magnification changed.
>> 
>> If there is a faster way to move a large image around, I'd like to hear of 
>> it.
>> 
>> Thanks again,
>> Bill
>> 
>> William Prothero
>> http://es.earthednet.org
>> 
>> On Oct 8, 2013, at 7:33 PM, "J. Landman Gay" <[email protected]> 
>> wrote:
>> 
>>> On 10/8/13 9:29 PM, Monte Goulding wrote:
>>>> 
>>>> On 09/10/2013, at 1:25 PM, J. Landman Gay wrote:
>>>> 
>>>>> I think my answer was condescending, I apologize.
>>>> 
>>>> Maybe I read a different answer ;-)
>>>>> 
>>>>> The dictionary in 6.1.1 doesn't have an example of addition in the points 
>>>>> entry. Is that in a different version's dictionary?
>>>> 
>>>> It's the point entry not the points entry.
>>> 
>>> Aha. Thanks, found it.
>>> 
>>> -- 
>>> Jacqueline Landman Gay         |     [email protected]
>>> HyperActive Software           |     http://www.hyperactivesw.com
>>> 
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