| IDL 5.0 observations [message #9206] |
Fri, 06 June 1997 00:00 |
smd
Messages: 4
Registered: April 1995
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Junior Member |
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I encountered the following annoyances in my use of IDL 5.0. I guess
these can be added to the IDL 5 anomaly database.
Sandeep Dalal
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IDL 5.0 bugs/annoyances checked on Windows NT 3.51 (SP5)
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1) Window Size reporting error
Open a window of size 600 by 400 using
window,xs=600,ys=400
then check the window size of the window just opened by executing
help,/device
you will get the following response; note the last line for the window
size
Available graphics_devices: CGM HP NULL PCL PRINTER PS WIN Z
Current graphics device: WIN
Screen Resolution: 1280x1024
Simultaneously displayable colors: 16777216
System colors reserved by Windows: 0
IDL Color Table Entries: 256
NOTE: this is a TrueColor device
NOT using Decomposed color
Graphics Function: 3 (copy)
Current Font: Arial
Default Backing Store: None.
Window Status: (ID: Type(x, y, backing store))
0: Window ( 600, 401, Pixmap)
which seems to indicate ysize of 401 and not 400. This happens
consistently with ysize reported as 1 more than the correct value.
----------------------------
2) Exit IDL keyboard command problem
The only way to get the cursor onto the command line using only the
keyboard and not the mouse is by using Ctrl-W. Unfortunately the key
which exits IDL is Ctrl-Q and since W and Q are right next to each other
on the keyboard, it is very easy to shut down IDL when the user actually
intended to put the focus on the command line. This is a pretty serious
consequence of a simple typing mistake. Nor does IDL give the user an
opportunity to confirm whether he/she wanted to actually exit IDL or
not.
-----------------------------
3) Command can be entered only after focus is moved to command line
IDL version 4.0.1 allowed the user to type in commands even when the
cursor was in the log window and not in the command line window. IDL 5.0
requires the user to use either the mouse or the keyboard (Ctrl-W) to
first place the cursor on the command line, before any text typed in
actually enters the command line.
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