forums.silverfrost.com Forum Index forums.silverfrost.com
Welcome to the Silverfrost forums
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Search found 79 matches
forums.silverfrost.com Forum Index
Author Message
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Sat May 01, 2021 11:48 am   Subject:
Hi John,

The data were flipped, so I had to apply a fix, think it was largely because the data started at top left, not sure if this is the best method:

sz=size(zdata,1)
zdata = zdata&# ...
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Fri Apr 30, 2021 11:25 am   Subject:
Thanks for the update Paul. I was using ftn95 v8.70.
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Fri Apr 30, 2021 7:32 am   Subject:
Hello all,

Finally sorted out the binary read; it is a fiddly job!

The binary file does not have any obvious header within it, but must have some reference to record length. The solution that wo ...
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Thu Apr 29, 2021 5:36 pm   Subject:
Hi

Added the correction to allocate the dimensions.

The run-time error is:

Silverfrost 64-bit exception report on D:\Geoscience\Fortran\Test\Binary2.exe Thu Apr 29 17:32:57 2021


Unforma ...
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Thu Apr 29, 2021 3:05 pm   Subject:
Hi Bill,

Thanks for the link, that helped to understand the structure of the ESRI BIL format. I tried the following just to attempt to read the data from the file 'faa.bil' into the allocatable var ...
  Topic: Reading ESRI bil format binary file
arctica

Replies: 13
Views: 3734

PostForum: General   Posted: Sat Apr 24, 2021 5:16 pm   Subject: Reading ESRI bil format binary file
Hello,

I am interested to know how a binary file can be read to store x, y, z values.

The ESRI BIL format has a separate header with the following:

BYTEORDER I
LAYOUT BIL
NROWS 120
NCOLS 1 ...
  Topic: Reading header
arctica

Replies: 2
Views: 1653

PostForum: General   Posted: Sat Apr 24, 2021 2:24 pm   Subject: Re:
Many thanks

Modify to suit:

program readzvals
implicit none
integer :: ncols,nrows,i
real :: xllc,yllc,cellsize,nodata_value
real, allocatable, dimension(:,:) ...
  Topic: Reading header
arctica

Replies: 2
Views: 1653

PostForum: General   Posted: Wed Apr 21, 2021 3:16 pm   Subject: Reading header
Hello,

Just a quick query. How do you read a header, store the values in variables (first 6 lines) and the rest of the data are z values:

ncols 120
nrows 120
xllcorner -5.000000
yllcorner -5. ...
  Topic: Double and triple integration
arctica

Replies: 1
Views: 1475

PostForum: Support   Posted: Mon Apr 05, 2021 4:39 pm   Subject: Double and triple integration
Hello all,

How does one implement a double or triple integral in F95 ? Working with equations of the form f(x,y) or f(x,y,z) and defined numerical limits for x,y and z.

Be useful to see some exa ...
  Topic: Write array to X,Y formatted file
arctica

Replies: 8
Views: 3263

PostForum: Support   Posted: Thu Jun 04, 2020 11:02 am   Subject: Re:
Many thanks for the pointers. The X and Y are 2D arrays so just had to tweak the line:

write (25,'(f15.10,f15.10)') (X(i,:), Y(:,i), i=1, npoints)
...
  Topic: Write array to X,Y formatted file
arctica

Replies: 8
Views: 3263

PostForum: Support   Posted: Thu Jun 04, 2020 10:17 am   Subject: Write array to X,Y formatted file
Hello,

I am trying to write X,Y values to a file from a 2D array, but the data does not output correctly in 2 columns for X and Y. At present in writes X as 2 columns and then Y appended on the end ...
  Topic: writing a binary output file from ascii input
arctica

Replies: 12
Views: 10101

PostForum: General   Posted: Wed Aug 26, 2015 2:36 pm   Subject: writing a binary output file from ascii input
Hello,

I have a quick query. I have a data file which is an ascii file and I can read and process the file i/o in text fine but was wondering if it is easy to write the otput as a binary (real*4) f ...
  Topic: Gravsoft code - Fortran 95
arctica

Replies: 3
Views: 5164

PostForum: Support   Posted: Wed Oct 22, 2014 9:44 am   Subject: Re:
Hi David,

Yes the code you show is what I was looking for, thanks for the corrections and the pointers - always helpful. The orginal code came from
Do you mean something like:


Program Gravso ...
  Topic: Gravsoft code - Fortran 95
arctica

Replies: 3
Views: 5164

PostForum: Support   Posted: Tue Oct 21, 2014 9:08 am   Subject: Gravsoft code - Fortran 95
Hello,

I have a simple program that reads a datafile in scanline format and writes out an XYZ file (longitude, latitude and value). Everything is set fine and the input and output files are read fi ...
  Topic: DISLIN issue through Plato
arctica

Replies: 6
Views: 6784

PostForum: Support   Posted: Tue Aug 13, 2013 8:39 pm   Subject:
Great Paul, that worked perfectly Smile

Cheers
Lester
 
Page 1 of 6 Goto page 1, 2, 3, 4, 5, 6  Next
All times are GMT + 1 Hour
Jump to:  


Powered by phpBB © 2001, 2005 phpBB Group