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Hi Bill -- The scope of your question is a bit large :-) for this list. ASCOM's fundamental technology is (at least right now) the built in Windows object ...
350
Bob Denny
rdenny@...
Oct 1, 2001 5:00 pm
This is the Internet Transfer Control. I was under the impression that it is part of Internet Explorer, however a look at the DLL Help Database proves I am...
351
Dustin Moore
dustin.moore@...
Oct 2, 2001 2:02 am
... an ... Bartels drive? The LXP driver works fine but you should disconnect the driver during imaging. Each time the driver polls scope.exe the delicate PWM...
352
Douglas B. George
dgeorge@...
Oct 2, 2001 4:20 pm
It seems to be a good idea to add a Stop method. However, not all focusers support a Stop command (e.g. Optec TCF-S does not). Therefore I propose the ...
353
Bob Denny
rdenny@...
Oct 2, 2001 6:10 pm
... If you want the Stop method to be part of the stnadard ASCOM Focuser interface, then the convention (as adopted on the on the Telescope interface) is to...
354
Larry Weber
larryweber@...
Oct 3, 2001 1:38 am
... We definitely need a Stop method for focusers! I like the CanStop property concept because it appears to be easier for the neophyte programmer to grasp. I...
If Stop doesn't work it should raise an error. A client should not think it has stopped the focuser when it has not. -- Bob...
357
Jeff Medkeff
medkeff@...
Oct 3, 2001 6:19 am
... Bob is 110% RIGHT on this issue. Raise an error! If the client doesn't want to see it, On Error Resume Next will help. -- Jeff Medkeff Sierra Vista,...
358
Jean-Claude PELLE
jcpelle@...
Oct 3, 2001 7:21 am
... I agree also, better, if the client uses the "Stop" method, he must check the "CanStop" property before using it. "On Error Resume Next" must be used with...
359
Douglas B. George
dgeorge@...
Oct 3, 2001 1:53 pm
... Pratically speaking, the client can tell if the focuser stopped by checking if it is still moving. There seems to be quite a variety of opinion on this...
360
Bob Denny
rdenny@...
Oct 3, 2001 2:43 pm
... This means that every call of Stop must include a check to see if it is still moving, because you never know if you stopped it or not unless you look to...
361
Douglas B. George
dgeorge@...
Oct 3, 2001 2:56 pm
... Well, that's a bit extreme. Generally speaking this would be used in response to the user clicking a button rather than anything automated. If it was ...
362
Bob Denny
rdenny@...
Oct 3, 2001 3:10 pm
... Oops, I guess re-reading that I see I was up on my high horse a bit. Sorry!!!!!!! -- Bob...
363
Bob Denny
rdenny@...
Oct 3, 2001 3:19 pm
... FYI, the reasoning bvehind the CanXXX properties in the Telescope interface is: If a method actually "does" something (e.g., SlewAsync()) there's no way to...
364
Douglas B. George
dgeorge@...
Oct 3, 2001 3:22 pm
... In fact, we have implemented exactly that in MaxIm DL. During initialization it tries a Stop, and if that fails it disables the button. Doug ... Doug...
365
Larry Weber
larryweber@...
Oct 3, 2001 10:41 pm
... I agree that a Stop method with a raised error for unstoppable focusers does the job without CanStop. Larry...
366
Larry Weber
larryweber@...
Oct 4, 2001 9:43 am
... I just realized that the new Stop method (without the CanStop) only needs to be added to server interfaces for focusers that are stoppable. A server...
367
Bob Denny
rdenny@...
Oct 4, 2001 11:07 am
Leaving a required method out of an interface is _not_ an acceptable way to indicate that the method is not implemented or not available. The error message is...
368
Bob Denny
rdenny@...
Oct 5, 2001 5:17 pm
The Remote Telescope Markup Language, Version 2, is now online at the LBL Hands On Universe site at: http://hou.lbl.gov/rtml2/ The document at ...
369
Larry Weber
larryweber@...
Oct 6, 2001 2:18 am
I just tried to add the newly defined Stop() method for focusers to my server class written in VB. Unfortunately VB will not accept: Sub Stop() in my focuser ...
370
Bob Denny
rdenny@...
Oct 6, 2001 2:26 am
OH!!!!!!! Good Heavens!!!!!!!!!!!!!! This is a good one. You are absolutely correct. Doug, we need to rename it something besides Stop(). I know, it's stupid, ...
371
Douglas B. George
dgeorge@...
Oct 6, 2001 5:40 am
Geesh! Glad that came up now!!! Is it safe to call it Halt? Doug ... From: Bob Denny [mailto:rdenny@...] Sent: Friday, October 05, 2001 10:26 PM To:...
372
Bob Denny
rdenny@...
Oct 6, 2001 6:10 am
Yeah, Halt would be fine. Larry, THANKS!!!!! I should have known... the ActiveServer Pages implementation in ACP2 is written in VB. There is a Request.End...
373
astrouk@...
Oct 6, 2001 8:18 am
In a message dated 06/10/01 02:27:52 Greenwich Standard Time, rdenny@... ... ASCOM-Talk@yahoogroups.com</A> ... Hi ALTO 8>)) Best regards ...
374
Larry Weber
larryweber@...
Oct 6, 2001 1:21 pm
Halt works for me. Larry...
375
Arto Oksanen
Arto.Oksanen@...
Oct 6, 2001 8:21 pm
Does someone have a solution for the short slew problem occuring with 16-inch Meade LX200s? The scope sometimes fails to go back to tracking after it has...
376
Jeff Medkeff
medkeff@...
Oct 8, 2001 2:35 pm
... Here's how we handle it: If tools.AngSep(scope.RightAscension, scope.Declination, _ ovec.RightAscension, ovec.Declination) _ ... ' this is the second,...
377
Jeff Medkeff
medkeff@...
Oct 8, 2001 2:53 pm
... I should mention for the edification of future archives-searchers that the bug is a bit more complicated than this. What happens on short slews is that the...
378
Bob Denny
rdenny@...
Oct 9, 2001 2:57 am
Arto & Jeff -- This needs to be part of the Meade LX200 and Autostar ASCOM driver, as it is a 16" idiosyncrasy and should not have to be handled in scripts. I...