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<div>Hi Rick</div>
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<div>Thanks for your response. I am not especially familiar with using lists so I wasn't sure if the behaviour I expected was wrong.</div>
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<div> Just as an addendum to my earlier example, I get the same result whether I use the ListAppend() or ListPush() procedures.</div>
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<div>Will</div>
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<span style="font-weight:bold">From: </span>Rick Brownrigg <<a href="mailto:brownrig@ucar.edu">brownrig@ucar.edu</a>><br>
<span style="font-weight:bold">Date: </span>Thursday, 3 March 2016 4:24 PM<br>
<span style="font-weight:bold">To: </span>Will Hobbs <<a href="mailto:will.hobbs@utas.edu.au">will.hobbs@utas.edu.au</a>><br>
<span style="font-weight:bold">Cc: </span>"<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>" <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a>><br>
<span style="font-weight:bold">Subject: </span>Re: [ncl-talk] populating lists with multidimensional arrays<br>
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<div>Hi Will,<br>
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It looks like you've uncovered a bug, and it seems to relate to the array-slicing in combination with the list. If I manually create a list comprised of different sized arrays, it works:<br>
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l = [/ (/ 1, 2, 3 /), (/ 4, 5, 6, 7, 8 /) /]<br>
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print(l)<br>
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But if we take a condensed version of your example:<br>
We get:<br>
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ListAppend(Q,x(:,:2))<br>
print(Q)<br>
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Variable: Q<br>
Type: list<br>
Total Size: 4 bytes<br>
1 values<br>
Number of Dimensions: 1<br>
Dimensions and sizes: [1]<br>
Coordinates:<br>
Type: list <fifo><br>
Total items: 0<br>
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<div>which is clearly not right. I tried assigning the slice of the x-array to a temporary variable and then appending the temp-var to the list, but that does not work either.<br>
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I will file a bug-report ticket in the morning and take a look at what is going on. I'm sorry that I don't have a good work-around offhand.<br>
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<div>Rick<br>
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<div class="gmail_quote">On Wed, Mar 2, 2016 at 7:56 PM, Will Hobbs <span dir="ltr">
<<a href="mailto:will.hobbs@utas.edu.au" target="_blank">will.hobbs@utas.edu.au</a>></span> wrote:<br>
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<div>Hi all</div>
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<div>My understanding from the documentation is that elements of an NCL list do not need to be the same size, but I am having trouble populating a list with arrays that are not the same size.</div>
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<div>Consider the following test case:</div>
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<div>P = NewList("fifo") ;create new list</div>
<div>Q = NewList("fifo") ;another new list</div>
<div>x = (/(/1,2,3/),(/4,5,6/)/) ;a test array</div>
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<div>do i = 0, 2</div>
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<div>ListAppend(P,x) ;keep adding array 'x'</div>
<div>ListAppend(Q,x(:,:i)) ;add a different sized subset of 'x'</div>
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<div>end do</div>
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<div>print(P)</div>
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<div>;returns the following (expected)</div>
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<div>;Variable: P</div>
<div>;Type: list</div>
<div>;Total Size: 4 bytes</div>
<div>; 1 values;</div>
<div>;Number of Dimensions: 1</div>
<div>;Dimensions and sizes: [1]</div>
<div>;Coordinates: </div>
<div>;Type: list <fifo></div>
<div>;Total items: 3</div>
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<div>print(Q)</div>
<div>;returns the following (an empty list)Variable: P</div>
<div>Type: list</div>
<div>Total Size: 4 bytes</div>
<div> 1 values</div>
<div>Number of Dimensions: 1</div>
<div>Dimensions and sizes: [1]</div>
<div>Coordinates: </div>
<div>Type: list <fifo></div>
<div>Total items: 0</div>
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<div>What am I missing here?</div>
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<div>Many thanks</div>
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<div>Will</div>
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