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#649825 - 13/10/2005 13:57 Re: Welcome to the photography forums!
Andy Offline
Weatherzone Addict

Registered: 29/06/2001
Posts: 1017
Loc: Mid-North Coast, NSW
As I said in an earlier post:

This resizes the image when the resolution is lowered and the image becomes a bit less attractive to those who like to "lift" them from web pages.

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#649826 - 13/10/2005 14:34 Re: Welcome to the photography forums!
Cb@SZ Offline
Member

Registered: 25/09/2002
Posts: 1266
Loc: North Melbourne / St. Kilda Ro...
How does it make the image less attractive ... it does nothing at all to the quality of the image, it just changes an internal definition of how large the image is to be printed ... I see no reason to change the internal definition of the DPI at all, it does not effect the display, nor file size of the image.

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#649827 - 13/10/2005 14:59 Re: Welcome to the photography forums!
Andy Offline
Weatherzone Addict

Registered: 29/06/2001
Posts: 1017
Loc: Mid-North Coast, NSW
Ohhhhh!!! I give up!. You just HAVE to argue with everything don't you!!. Just forget I ever mentioned it!

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#649828 - 13/10/2005 18:05 Re: Welcome to the photography forums!
Blizzard Offline
Meteorological Motor Mouth

Registered: 31/03/2001
Posts: 10173
Loc: Blue Mountains
Cb@SZ...relax mate, for goodness sake. You're nearly as bad as me! wink

The purpose of this forum is to share our images not just display them, which means taking into consideration all internet connections and setups. I think its pretty simple really.

I can't afford image programs and only have IrfanView but I find it works well. With my 3.2 MP Canon, I just halve the size of my original, halve it again and then reduce it to 80% of that. I then save the image at 60% of best quality or lower if I want to put more than one image in a post. Usually, I will post one small image and link to others in the series, indicating bigger images where applicable. If I'm keen to share a good storm shot, I sometimes crop the image, showing the details of the updrafts etc and then link to a bigger image, wider view.

An example here of one of our storms last season, quite a small shot but clear enough:



Note the wall cloud... wink
_________________________
BoM Storm Spotter, snow chaser, webmaster for www.blackheathweather.com
Local weather news on Twitter: BlackheathWx

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#649829 - 13/10/2005 22:05 Re: Welcome to the photography forums!
Weathernut Offline
Member

Registered: 24/07/2002
Posts: 5207
Loc: Darwin, Northern Territory
This image is 600 pixels wide with the DPI at 72 and compressed using 7 in photoshop and the image is still clear plus it's only 53k!
http://members.ii.net/~twc18/wxzone/13oct2005/DSCF0005.jpg

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#649830 - 13/10/2005 22:36 Re: Welcome to the photography forums!
Cb@SZ Offline
Member

Registered: 25/09/2002
Posts: 1266
Loc: North Melbourne / St. Kilda Ro...
Quote:
Originally posted by Blizzard:
Cb@SZ...relax mate, for goodness sake. You're nearly as bad as me! wink ...
Actually Ive been quite calm, it is others who have got upset.

All I did was question why andy mentioned DPI in his "expert" opinion about how to resize photos, I still have not recieved a decent answer, so I can only asume he made an error (but ausumptions make an ass out of you and me ... and he has yet to admit any error).

I suggest you re-read my responses, I have not been intentionally agressive, I have just asked some questions, which perhaps some people would prefer not to have been asked?

It is much easier to pretend you are an expert than to actually be one wink

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#649831 - 13/10/2005 22:59 Re: Welcome to the photography forums!
-hillsrain- Offline
Meteorological Motor Mouth

Registered: 25/11/2002
Posts: 5768
Loc: Somewhere else
OK Kiddies, enough on this baiting please.
Time to be nice to one another again.

Any more discussion on image format and compression techniques can take place in the photoshop thread where it belongs.
_________________________


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#649832 - 14/10/2005 15:17 Re: Welcome to the photography forums!
Thunderstruck Offline
Lightning man

Registered: 10/05/2001
Posts: 13385
Loc: Brighton, SA
Ok, so what about those who dont have photoshop? Ppl like me lol who are shocking at resizing and when they do, they end up with images with square boxes all over them from savage pixelation!!

TS cool

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#649833 - 14/10/2005 18:45 Re: Welcome to the photography forums!
Blizzard Offline
Meteorological Motor Mouth

Registered: 31/03/2001
Posts: 10173
Loc: Blue Mountains
Hey, TS, did you read my post on the previous page? IrfanView is a free (basic but good) program that will more than cater for your re-sizing needs. I typically shoot in 50 ISO with my Canon and most of the images start of pretty clear and sharp so re-sizing doesn't damage them too much.
_________________________
BoM Storm Spotter, snow chaser, webmaster for www.blackheathweather.com
Local weather news on Twitter: BlackheathWx

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#649834 - 14/10/2005 19:16 Re: Welcome to the photography forums!
Andy Offline
Weatherzone Addict

Registered: 29/06/2001
Posts: 1017
Loc: Mid-North Coast, NSW
Yes, as Blizz says, IrfanView is an excellent free program. It supports PhotoShop plugins, allows resizing, conversion, lossless JPG rotation and viewing of RAW files.

To resize an image simply open it in IrfanView, select "Image" then "Resize/Resample". Make sure that the "Preserve aspect ratio" box is ticked then type in the dimensions you want for the longest edge of the picture ... 700 pixels for this forum if you're embedding images.

Click OK then click the "File" menu item and click "Save as". Select .jpg as the file type and enter the new filename. The downside is that in IrfanView you can't see what size the file will be until after you've saved it but for an average image I find a setting of the "quality" bar somewhere between 50 and 60 will provide a file size below 75kb.

You will need to check the file size before uploading and this is best done while you still have the image open in IrfanView. Just open Windows Explorer and go to the folder where you saved the image and check the file size. If it's too big just use "Save as" again in IrfanView but with a slightly lower quality setting.

IrfanView can be found Here ... and make sure you download all the plugins too.

Another quite decent freebie program is PhotoFiltre. This is a complete photo and image manipulation package and can be found Here . I think there may also be a shareware version but from what the site says, this appears to be the free one.

My apologies for posting this in the wrong thread. It should really be in the PhotoShop Techniques and Q&A's thread so if a kindly moderator would like to move it ... or if that's not possible then delete it and I'll repost as I have a copy. smile

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#649835 - 14/10/2005 19:31 Re: Welcome to the photography forums!
-hillsrain- Offline
Meteorological Motor Mouth

Registered: 25/11/2002
Posts: 5768
Loc: Somewhere else
Hey there TS, lets move this coversation to the photoshop thread as suggested by Andy....
_________________________


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#649836 - 17/10/2005 13:14 Re: Welcome to the photography forums!
Heat Trough Offline
Weather Freak

Registered: 09/01/2005
Posts: 149
Loc: Yorke Peninsula, SA.
Howdy all. Look, would any of you kind WZ forum folk know where I might be able to get my hands on a pic of the storm front of the 1999 Sydney hail storm?

I have had a fruitless weekend on Google trying to get a pic of this.

Any help with this would be greatly appreciated.

HT. : )

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#649837 - 17/10/2005 13:23 Re: Welcome to the photography forums!
David Simpson. Offline
Weatherzone Administrator/Moderator

Registered: 13/10/2002
Posts: 4904
Loc: White Hills, Tasmania.

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#649838 - 17/10/2005 15:52 Re: Welcome to the photography forums!
Heat Trough Offline
Weather Freak

Registered: 09/01/2005
Posts: 149
Loc: Yorke Peninsula, SA.
Ahhh. Thanks for those links, David. Pretty much what I was after. Great stuff. : )

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#649839 - 22/10/2005 22:55 Re: Welcome to the photography forums!
Instability Offline
Weather Freak

Registered: 02/02/2005
Posts: 848
Loc: Live in Burwood: Work in Notti...
Hey, I have just noticed this forum, great to see it eventuated :cheers: . For someone who is only getting about 25% out of a good camera, this forum is going to come in very handy (and I will not need to add yet another post to the 70+ page post that probably influenced this new section smile ).

Cheers and great move,

Roger.

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#649840 - 23/10/2005 22:22 Re: Welcome to the photography forums!
adon Offline
Meteorological Motor Mouth

Registered: 19/08/2004
Posts: 5038
Loc: Not tellin!
Don't know if this is the right one to put this into but anyway. I did a little experiment the other day when the first of the stormy weather was brewing. I got my sunnies and put them over the lense while taking a photo.
Here 'tis

http://img481.imageshack.us/img481/6149/20051021octstorm00758vt.jpg

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#649841 - 30/10/2005 16:18 Re: Welcome to the photography forums!
Nullamanna WX Offline
Weatherzone Addict

Registered: 09/06/2002
Posts: 1274
Loc: Nullamanna, Nth-West Slopes, N...
Hey adon,

I've got a new Nokia 6225 CDMA mobile with a built-in 350kP CMOS sensor camera in it and on bright sunny days I have always placed my polarizing sunglasses over the lens to increase the colour saturation, remove unwanted glare and to give the photo some depth.

With my film camera's I always have a polarizing filter attached when doing outdoor stuff, it just makes the photo heaps better.

Mick.

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#649842 - 31/10/2005 22:34 Re: Welcome to the photography forums!
Budmulla Offline
Junior Member

Registered: 31/10/2005
Posts: 9
Loc: Demondrille NSW 2587
Hello there everyone!
I just signed up today because i seen this place has a photography forum!
I enter a lot of online photography and photoshopping comps usually, and i love taking mainlny landscapes with big clouds.
The size limitations seem cool .... the main place i enter pics automatically resizes pics to 600pix wide were another has a 640 pix at the largest side.
And as a dialup user the small file size restrictions are great!
And i like the idea of a pic of these dimensions being display as opposed to links or thumbnails.


Anyway heres a pic i took about a week ago out in my paddock ... ive never seen a sky and a sunset like this before.
Very surreal to watch.
The red colour didnt last for very long.



I dont know much about weather... i wouldnt even know the cloud type ... let alone what causes the intense red.

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#649843 - 12/11/2005 17:42 Re: Welcome to the photography forums!
Leasy Offline
Weatherzone Addict

Registered: 03/08/2004
Posts: 1001
Loc: Currently - London, United Kin...
Hello,

Just thought I'd put a couple of photo's in as I have just worked out how... The first one is of the first ever lightning photo that I have taken and the second one was of a rainbow that was in front of the balcony at the house I moved to for a year.





Leasy smile

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