| Re: Editing data in an existing HDF5 file and rewriting the fixed file, in IDL [message #65015] |
Thu, 05 February 2009 08:53 |
Andy Sayer
Messages: 127
Registered: February 2009
|
Senior Member |
|
|
On 5 Feb, 16:37, sav...@nsidc.org wrote:
> Andy Sayer <iamandysa...@gmail.com> writes:
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>> ; Load relevant bits of file ;
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
>> id = h5f_open(l2file)
>> id_g1=h5g_open(id,"ORACoutput")
>
> Andy,
>
> I'm not an expert, but are you using an IDL version < 6.2? (that's when the
> keyword /WRITE was added to the h5f_open call)
>
> id = h5f_open(l2file, /write)
>
> WRITE
> If set the file is open for both reading and writing. The default is to open
> the file in read_only mode.
>
> Matt
>
> --
> Matthew Savoie - Scientific Programmer
> National Snow and Ice Data Center
> (303) 735-0785 http://nsidc.org
Hi,
Thanks very much both--you were indeed correct! Due to a local problem
our IDL help has been unavailable recently--we're using IDL 7.0 but
the help files I could access were for 6.0, before this keyword was
presumably added. As they say the stupid questions are easiest to
answer. All appears to be working now.
(In case anyone stumbles upon this later, I found a couple more bugs I
needed to fix: my final calls should be h5g_close and h5f_close, as
opposed to more h5d_close).
Andy
|
|
|
|
| Re: Editing data in an existing HDF5 file and rewriting the fixed file, in IDL [message #65018 is a reply to message #65015] |
Thu, 05 February 2009 08:34  |
Maarten[1]
Messages: 176
Registered: November 2005
|
Senior Member |
|
|
On Feb 5, 4:46 pm, Andy Sayer <iamandysa...@gmail.com> wrote:
> Unfortunately this is not working properly--when I try to write back
> out to the dataset (using the same id I used to read it in) I get an
> error message like this:
>
> H5D_WRITE: can't write data: Object ID:402653184
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> ; Load relevant bits of file ;
> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>
> id = h5f_open(l2file)
Open the file with write permission:
id = h5f_open(l2file,/write)
Start from here, I haven't checked the rest of your code.
Maarten
|
|
|
|
comp.lang.idl-pvwave archive
Members
Search
Help
Login
Home
