Re: reading in binary data

From: Joe Grim <grim_at_nyahnyahspammersnyahnyah>
Date: Thu Oct 27 2011 - 12:13:16 MDT

Hi Dennis,

2908872, so it is barely over 1200x1200x2=2880000.

Thanks for your help.

Joe

On 10/27/2011 12:08 PM, Dennis Shea wrote:
> What is the size of the file in bytes?
>
> %> ls -l file_name
>
> Is it 1200*1200*2 or 1200*1200*4 ?
>
> Or are there 'extra' bytes?
>
> ===
> The defuult in fortran is to write 'sequentail' mode
> which *silently* prepend and postpends extra bytes.
>
>
> On 10/27/11 12:00 PM, Joe Grim wrote:
>> Hi,
>>
>> I've been trying to read in some FORTRAN-formatted binary data using
>> fbindirread, but have been unsuccessful thus far. The data is described
>> by the following:
>>
>> type = continuous
>> signed = yes
>> projection = regular_ll
>> dx = 0.00833333
>> dy = 0.00833333
>> known_x = 1.0
>> known_y = 1.0
>> known_lat = -89.99583
>> known_lon = -179.99583
>> wordsize = 2
>> tile_x = 1200
>> tile_y = 1200
>> tile_z = 1
>> tile_bdr=3
>> units="meters MSL"
>> description="Topography height"
>>
>> I understand most of this (e.g., the data is 1200x1200, each data point
>> requires 2 bytes, the value can be positive or negative), but when I try
>> to read in the data using fbindirread, I can't find a single way that
>> works:
>> e.g., HGT_M = fbindirread(geog_data_path+filename,0,-1,"short")
>>
>> If someone knows how this works, would you please help me out? I really
>> appreciate it!
>>
>> Joe Grim
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Received on Thu Oct 27 12:13:23 2011

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