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Help needed in using object graphics [message #93314]

Mon, 13 June 2016 22:53

huangsu
Messages: 10
Registered: November 2014

Junior Member

I encountered a problem using IDL object graphics. The source code is listed below. The program drawing a plot using IDLgrPlot using an object window IDLgrWindow. The plot displayed then disappeared immediately. I have to put a WAIT statement to confirm the plot is painted. Once the WAIT is finished, the plot disappeared. Can some one help me identify the problem?

PRO PLOTTEST
x = FINDGEN(20)-10
y = SIN(x)*10

base = WIDGET_BASE(/ROW, TITLE= 'TEST', XSIZE=800, YSIZE=600)
draw1 = WIDGET_WINDOW(base, XSIZE=800, YSIZE=600, GRAPHICS_LEVEL=2)
WIDGET_CONTROL, base, /REALIZE
WIDGET_CONTROL, draw1, GET_VALUE=owindow1
view1 = OBJ_NEW('IDLgrView', VIEWPLANE_RECT=[-15,-15,30,30])
model1 = OBJ_NEW('IDLgrModel')
plot1 = OBJ_NEW('IDLgrPlot', x, y, COLOR=[255, 0, 0])
model1->ADD, plot1
view1->ADD, model1
owindow1->DRAW, view1
WAIT, 3
END

Platform: IDL 8.4.1, Linux Debian

Thanks for any reply.

Regards,

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[Message index]

		Help needed in using object graphics By: huangsu on Mon, 13 June 2016 22:53
		Re: Help needed in using object graphics By: markb77 on Tue, 14 June 2016 11:24
		Re: Help needed in using object graphics By: Dick Jackson on Wed, 15 June 2016 14:47

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