[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produce
From: |
Ian Journeaux |
Subject: |
[Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp |
Date: |
Mon, 17 Aug 2015 13:58:34 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.155 Safari/537.36 |
URL:
<http://savannah.gnu.org/bugs/?45779>
Summary: Writing and 8-bit image to BMP produces a 24-bit bmp
Project: GNU Octave
Submitted by: ijourneaux
Submitted on: Mon 17 Aug 2015 01:58:33 PM GMT
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Matlab Compatibility
Status: None
Assigned to: None
Originator Name: Ian Journeaux
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: Microsoft Windows
_______________________________________________________
Details:
With Octave 4.1.0+ MXE compiled locally with Default config, to successfully
save an 8-bit image to a bmp file requires using
octave> img = uint8 (ones (100, 1) .* [0:255]);
octave> map = gray(256);
octave> imwrite (img, map, "foo-octave.bmp");
If I understand Matlab (maybe I am misinterpreting Matlab)
octave> img = uint8 (ones (100, 1) .* [0:255]);
octave> imwrite (img, "foo-octave.bmp");
should also work but, with Octave, still produces a 24-bit image.
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?45779>
_______________________________________________
Message sent via/by Savannah
http://savannah.gnu.org/
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp,
Ian Journeaux <=
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Mike Miller, 2015/08/17
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Carnë Draug, 2015/08/24
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Ian Journeaux, 2015/08/24
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Ian Journeaux, 2015/08/24
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Avinoam Kalma, 2015/08/24
- [Octave-bug-tracker] [bug #45779] Writing and 8-bit image to BMP produces a 24-bit bmp, Mike Miller, 2015/08/25
- [Octave-bug-tracker] [bug #45779] Writing 8-bit grayscale image to bmp file should write an indexed image, Carnë Draug, 2015/08/25
- [Octave-bug-tracker] [bug #45779] Writing 8-bit grayscale image to bmp file should write an indexed image, Ian Journeaux, 2015/08/25
- [Octave-bug-tracker] [bug #45779] Writing 8-bit grayscale image to bmp file should write an indexed image, Carnë Draug, 2015/08/25