comp.lang.idl-pvwave archive: archive » Re: Variable sized bins in histogram, or find a bounding lat/lon box

Home » Public Forums » archive » Re: Variable sized bins in histogram, or find a bounding lat/lon box

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Variable sized bins in histogram, or find a bounding lat/lon box [message #53451]

Thu, 12 April 2007 12:28

JD Smith
Messages: 850
Registered: December 1999

Senior Member

On Wed, 11 Apr 2007 09:49:52 -0700, Matt wrote:

> On Apr 11, 10:13 am, Paolo Grigis <pgri...@astro.phys.ethz.ch> wrote:
>> Because the grid is orthogonal and sorted, you could try
>>
>> res1=value_locate(lats,target_lats)
>> res2=value_locate(lons,target_lons)
>>
>> IDL> print,res1,res2
>> 0 3 2
>> 4 2 4
>>
>> Is that what you need?
>
> Wow, it's easy to find that solution now that I know the keyword
> "value_locate". That was incredibly helpful and exactly what I
> needed. I
> just grepped my entire library of idl programs and I've never once
> used that
> routine. Now that I've got a hammer, maybe everything will look like
> a nail?

Yep, value_locate is what you want. Histogram works only with fixed bin
sizes, so you'd have to resort to rescaling either the bins or the data
points non homogenously to make the match.

JD

Report message to a moderator

[Message index]

		Re: Variable sized bins in histogram, or find a bounding lat/lon box By: JD Smith on Thu, 12 April 2007 12:28
		Re: Variable sized bins in histogram, or find a bounding lat/lon box By: yp on Thu, 12 April 2007 06:59
		Re: Variable sized bins in histogram, or find a bounding lat/lon box By: Matt[2] on Wed, 11 April 2007 09:49
		Re: Variable sized bins in histogram, or find a bounding lat/lon box By: Paolo Grigis on Wed, 11 April 2007 09:13

Previous Topic:	May anyone share his IDLwave configuration file with me ?
Next Topic:	idl segfaults in FC5

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 15:36:26 PDT 2025

Total time taken to generate the page: 0.00377 seconds