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NORMALIZE.pro strange behavior ? [message #69383]

Thu, 14 January 2010 14:00

natha
Messages: 482
Registered: October 2007

Senior Member

Hi guys,

I want to plot, using object graphics, the following data:
xr=[0,10]
yr=[5,-5]
datax=findgen(10)
datay=reverse(findgen(10)-5)

Using direct graphics I don't have any problem: PLOT, datax, datay,
xr=xr, yr=yr
Normally, when I use object graphics I use the normalize.pro function
from coyote's library. So, the same code to plot the data using object
graphics should be this:

aa=OBJ_NEW('IDLgrPlot')
aa->Setproperty, datax=datax, datay=datay, xr=xr, yr=yr, THICK=20
position=[10,90]
xs=NORMALIZE(xr, POSITION=position)
ys=NORMALIZE(yr, POSITION=position)
aa->SetProperty, xcoord_conv=xs, ycoord_conv=ys
XOBJVIEW, aa

Oups ! what's happening here. There is no result... ?? I think that
the problem is because my yrange is from a positive value to a
negative value.
Do you know what's happening here and how can I obtain the same result
as direct graphics ?
thanks

nata

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NORMALIZE.pro strange behavior ?

By: natha on Thu, 14 January 2010 14:00

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