| Floating overflow error in FG [message #89635] |
Mon, 03 November 2014 12:23  |
Helder Marchetto
Messages: 520
Registered: November 2011
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Senior Member |
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Hi,
sorry, but I can't reproduce the problem in a functional manner. I've a widget_window with an image(), polyline() and polygon() inside. I'm declared the window using the command:
drawWin = widget_window(col1Timer, xsize=drawSize[0], ysize=drawSize[1], mouse_motion_handler ='eav_MouseMotion', mouse_down_handler ='eav_MouseDown', mouse_up_handler ='eav_MouseUp', mouse_wheel_handler ='eav_MouseWheel', keyboard_handler ='eav_Keyboard')
the image is loaded with a command looking like this:
img = image(display, current=oWin, margin=0, image_dimensions=sRaw, axis_style = my_axis_style, xcolor='y', ycolor='y')
the other objects like this:
objpl = polyline([0.25,0.75],[0.25,0.75], thick = thick_active, color = color_active, lineStyle = linestyle_active, transparency = line_transparency_active, /norm, target=img)
objpg = polygon([0.25,0.75,0.75,0.25],[0.25,0.25,0.75,0.75], thick = thick_active, color = color_active, lineStyle = lineAreaStyle_active, fill_background = fill_background_active, fill_color = fill_color_active, transparency = fill_transparency_active, /norm, target=img)
The print of the window() is:
GRAPHICSWIN <5568>
BACKGROUND_COLOR = 0 0 255
DIMENSIONS = 600.000 600.000
EVENT_HANDLER = <NullObject>
KEYBOARD_HANDLER = 'EAV_KEYBOARD'
MOUSE_DOWN_HANDLER = 'EAV_MOUSEDOWN'
MOUSE_MOTION_HANDLER = 'EAV_MOUSEMOTION'
MOUSE_UP_HANDLER = 'EAV_MOUSEUP'
MOUSE_WHEEL_HANDLER = 'EAV_MOUSEWHEEL'
NAME = 'IDL'
RESOLUTION = 0.035277778 0.035277778
SELECTION_CHANGE_HANDLER = ''
TITLE = <NullObject>
WINDOW_TITLE = ''
The error I get are:
% Program caused arithmetic error: Floating overflow
% Detected at IDLITSYMBOL::DRAW 1 C:\Program Files\Exelis\IDL84\IDL84\lib\itools\components\idlitsymbol__ define.pro
and:
% Program caused arithmetic error: Floating overflow
% Detected at IDLITVISDATASPACE::DRAW 2385 C:\Program Files\Exelis\IDL84\IDL84\lib\itools\framework\idlitvisdatasp ace__define.pro
I cannot say when exactly and how. Moving the mouse and moving objects seems to generate this. Strangely, this *also* happens about a second after I have move the mouse away from the window and already had another window active.
To get the error lines I set !EXCEPT = 2
Can anybody guess what is causing the error (apart from a floating overflow) and what I can try to do to get rid of it?
I have non NaN in my image data.
Sorry for the sloppy description.
Helder
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