Icon for "No PNGs" (image files), using international barred-circle symbol. This image is intentionally stored in GIF format (most international GIF patents have expired), to be displayed where PNG-format should not, or could not, be used:
GIF supports animation features not yet available in PNG format.
Some browsers have trouble displaying various PNG-format images, whereas this GIF-format image could be displayed by those browsers, since GIF is an older, universal image format.
Due to transparency issues, some PNG-format maps display the checkerboard grid pattern (like a watermark) behind ocean areas of maps, whereas the GIF version displays solid ocean areas.
Also in MediaWiki applications (such as Wikimedia Commons), GIF files often display as 3x times faster than PNG files, and that speed might be an issue (especially for large maps with small detailed markings).
The NOAA NHC charts are GIFs and are regularly updated with the new ones. Uploading as a GIF is easer then having to continually convert them.
This image is intentionally stored in GIF format (most international GIF patents have expired), to be displayed where PNG-format should not, or could not, be used. Some browsers have trouble displaying various PNG-format images, whereas this GIF-format image could be displayed by those browsers, since GIF is an older, universal image format.
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the
Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL
licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
{{Information |Description=Icon for "No PNGs" (image files), using international barred-circle symbol. In 2007, most of the
PNG-format files were often 8x to 21x times heavier and slower than
JPEG-format files, when displayed in
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Icon for "No PNGs" (image files), using international barred-circle symbol. This image is intentionally stored in GIF format (most international GIF patents have expired), to be displayed where PNG-format should not, or could not, be used:
GIF supports animation features not yet available in PNG format.
Some browsers have trouble displaying various PNG-format images, whereas this GIF-format image could be displayed by those browsers, since GIF is an older, universal image format.
Due to transparency issues, some PNG-format maps display the checkerboard grid pattern (like a watermark) behind ocean areas of maps, whereas the GIF version displays solid ocean areas.
Also in MediaWiki applications (such as Wikimedia Commons), GIF files often display as 3x times faster than PNG files, and that speed might be an issue (especially for large maps with small detailed markings).
The NOAA NHC charts are GIFs and are regularly updated with the new ones. Uploading as a GIF is easer then having to continually convert them.
This image is intentionally stored in GIF format (most international GIF patents have expired), to be displayed where PNG-format should not, or could not, be used. Some browsers have trouble displaying various PNG-format images, whereas this GIF-format image could be displayed by those browsers, since GIF is an older, universal image format.
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the
Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL
licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.
{{Information |Description=Icon for "No PNGs" (image files), using international barred-circle symbol. In 2007, most of the
PNG-format files were often 8x to 21x times heavier and slower than
JPEG-format files, when displayed in
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):