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Thread
2004-12-21 by Steve Kale
What is the best way to optimize an image for display on the web? I have a very simple website using .Mac Homepage but need to optimize my images before placing them in my iDisk folder. What is the best way to do this? Save for Web from Photoshop?
2004-12-21 by Mark Savoia
That does a pretty good job. Play around with the settings and see what the least file size you can get away with. Also try doing it with slices in PS. Mark On Dec 21, 2004, at 9:48 AM, Steve Kale wrote: > > What is the best way to optimize an image for display on the web?� I > have a very simple > website using .Mac Homepage but need to optimize my images before > placing them in my > iDisk folder.� What is the best way to do this? Save for Web from > Photoshop? > > > > > > Please visit the Group Homepage to check the Files, and other > resources as they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish > to unsubscribe, please edit your Membership preferences by visiting > this same page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to > keep them short. > - Good manners are required at all time. No personal attacks or > flames. Hostile, aggressive or argumentative users may be removed from > the membership without notice. > - Keep your posts and threads related to the group topic of digital > B&W printing. Users who persistently make off-topic posts may be > removed from the membership. > - By posting on this forum you agree to abide by the group rules and > guidelines, and to abide by the actions and decisions of the group > Owner and Moderators. See �Group Topic, Rules and Guidelines� in the > Files section: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > > BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE > PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE �OWNER� > AND �MODERATORS� OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE > LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, > CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, > DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE > LOSSES (EVEN IF THE� �OWNER� AND �MODERATORS� OF DIGITAL BW, THE PRINT > YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), > RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, > THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF > YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD > PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER > MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP. > > > > > > Yahoo! Groups Sponsor > > ADVERTISEMENT > <lrec_barbell_d21_120204.jpg> > <l.gif> > > Yahoo! Groups Links > > � To visit your group on the web, go to: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/ > � > � To unsubscribe from this group, send an email to: > DigitalBlackandWhiteThePrint-unsubscribe@yahoogroups.com > � > � Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > [Non-text portions of this message have been removed]
2004-12-21 by Steve Kale
Slices? Also if you use Save for Web do you down-res the file before using it? If so what to? The original files are large 10x15in @480ppi. Thanks Steve
> From: Mark Savoia <mark@...> > Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > Date: Tue, 21 Dec 2004 09:56:32 -0500 > To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > Subject: Re: [Digital BW] Optimizing Images for the Web > > > That does a pretty good job. Play around with the settings and see what > the least file size you can get away with. Also try doing it with > slices in PS. > Mark > > On Dec 21, 2004, at 9:48 AM, Steve Kale wrote: > >> >> What is the best way to optimize an image for display on the web? I >> have a very simple >> website using .Mac Homepage but need to optimize my images before >> placing them in my >> iDisk folder. What is the best way to do this? Save for Web from >> Photoshop? >>
2004-12-21 by Michael Poster
At 10:02 AM 12/21/2004, you wrote: >Slices? Not sure you really want to use slices here. They're typically for building complex pages from large composite images. I don't really think slices are the way to go for presenting pictures. >Also if you use Save for Web do you down-res the file before using it? If >so what to? Yes, you resample down using bicubic or bicubic sharper. Size is your choice, but is often between 500 - 1000 pixels (long dimension). You don't have to worry about ppi. Just change your pixels sizes in the image size dialog. That works. If your image is color (RGB) you want to convert to sRGB for web viewing as well. Image > Mode > Convert to profile. >The original files are large 10x15in @480ppi. > >Thanks > >Steve > > > > From: Mark Savoia <mark@...> > > Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > > Date: Tue, 21 Dec 2004 09:56:32 -0500 > > To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > > Subject: Re: [Digital BW] Optimizing Images for the Web > > > > > > That does a pretty good job. Play around with the settings and see what > > the least file size you can get away with. Also try doing it with > > slices in PS. > > Mark > > > > On Dec 21, 2004, at 9:48 AM, Steve Kale wrote: > > > >> > >> What is the best way to optimize an image for display on the web? I > >> have a very simple > >> website using .Mac Homepage but need to optimize my images before > >> placing them in my > >> iDisk folder. What is the best way to do this? Save for Web from > >> Photoshop? > >> > > > > > >Please visit the Group Homepage to check the Files, and other resources as >they are often being updated. > >http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > >If you wish to receive no emails or just a daily digest, or you wish to >unsubscribe, please edit your Membership preferences by visiting this same >page. > >Please follow these basic guidelines: >- As threads develop, trim off excess portions of earlier messages to keep >them short. >- Good manners are required at all time. No personal attacks or flames. >Hostile, aggressive or argumentative users may be removed from the >membership without notice. >- Keep your posts and threads related to the group topic of digital B&W >printing. Users who persistently make off-topic posts may be removed from >the membership. >- By posting on this forum you agree to abide by the group rules and >guidelines, and to abide by the actions and decisions of the group Owner >and Moderators. See "Group Topic, Rules and Guidelines" in the Files section: >http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > >BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE PRINT >YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE "OWNER" AND >"MODERATORS" OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE LIABLE TO >YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR >EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, DAMAGES FOR LOSS OF >PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE LOSSES (EVEN IF >THE "OWNER" AND "MODERATORS" OF DIGITAL BW, THE PRINT YAHOO GROUP HAVE >BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), RESULTING FROM: (i) THE >USE OR THE INABILITY TO USE THE DIGITAL BW, THE PRINT YAHOO GROUP; (ii) >UNAUTHORIZED ACCESS TO OR ALTERATION OF YOUR TRANSMISSIONS OR DATA; (iii) >STATEMENTS OR CONDUCT OF ANY THIRD PARTY ON THE DIGITAL BW, THE PRINT >YAHOO GROUP; OR (iv) ANY OTHER MATTER RELATING TO THE DIGITAL BW, THE >PRINT YAHOO GROUP. > >Yahoo! Groups Links > > > > Michael Poster Publisher WOODWEB, Inc. - www.woodweb.com Woodworkers Directory - www.woodindustry.com mposter@... Direct office voice: 570-278-5315 #2 Direct office fax: 570-278-9107 Business Office: WOODWEB, Inc. RR4 Box 265A Montrose, PA 18801
2004-12-21 by Mark Savoia
72 ppi is all you need. Yes slices, check PS help file on how and why to use slices for web pages. Mark On Dec 21, 2004, at 10:02 AM, Steve Kale wrote: > Slices? > > Also if you use Save for Web do you down-res the file before using > it?� If > so what to? The original files are large 10x15in @480ppi. > > Thanks > > Steve > > > > From: Mark Savoia <mark@ctphoto.com> > > Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > > Date: Tue, 21 Dec 2004 09:56:32 -0500 > > To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > > Subject: Re: [Digital BW] Optimizing Images for the Web > > > > > > That does a pretty good job. Play around with the settings and see > what > > the least file size you can get away with. Also try doing it with > > slices in PS. > > Mark > > > > On Dec 21, 2004, at 9:48 AM, Steve Kale wrote: > > > >> > >>� What is the best way to optimize an image for display on the > web?� I > >> have a very simple > >>� website using .Mac Homepage but need to optimize my images before > >> placing them in my > >>� iDisk folder.� What is the best way to do this? Save for Web from > >> Photoshop? > >> > > > > > Please visit the Group Homepage to check the Files, and other > resources as they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish > to unsubscribe, please edit your Membership preferences by visiting > this same page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to > keep them short. > - Good manners are required at all time. No personal attacks or > flames. Hostile, aggressive or argumentative users may be removed from > the membership without notice. > - Keep your posts and threads related to the group topic of digital > B&W printing. Users who persistently make off-topic posts may be > removed from the membership. > - By posting on this forum you agree to abide by the group rules and > guidelines, and to abide by the actions and decisions of the group > Owner and Moderators. See �Group Topic, Rules and Guidelines� in the > Files section: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > > BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE > PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE �OWNER� > AND �MODERATORS� OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE > LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, > CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, > DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE > LOSSES (EVEN IF THE� �OWNER� AND �MODERATORS� OF DIGITAL BW, THE PRINT > YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), > RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, > THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF > YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD > PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER > MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP. > > > > > > Yahoo! Groups Sponsor > > ADVERTISEMENT > <111704_1104_g_300250a.gif> > <l.gif> > > Yahoo! Groups Links > > � To visit your group on the web, go to: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/ > � > � To unsubscribe from this group, send an email to: > DigitalBlackandWhiteThePrint-unsubscribe@yahoogroups.com > � > � Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > [Non-text portions of this message have been removed]
2004-12-21 by Hans VR
Mark Savoia wrote: >72 ppi is all you need. >Mark > > Not on a 1600 x 1200 monitor -- Hans VR www.vanrafelghem.com
2004-12-21 by Phil Rose
--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Steve Kale" <stevekale@b...> wrote: > > What is the best way to optimize an image for display on the web? I have a very simple > website using .Mac Homepage but need to optimize my images before placing them in my > iDisk folder. What is the best way to do this? Save for Web from Photoshop? Instead, we might wish to consider what is the best way to optimize our _posting_ for relevence to digital B&W **prints** and **printing**. Please excuse the harsh tone, but I've been "biting my tongue" for weeks as the frequency of off-topic posting has increased considerably here. I'm sure no one who's capable of posting here can fail to be aware that there are scores of digi-this-and-that forums and lists that would be happy to respond and discuss any general digital photography questions (any!)--ad infinitum. The value of this forum, at least to me, is that this isn't one of those (other) places. Phil
2004-12-21 by Mark Savoia
I thought the resolution on monitors is either 72 ppi or 75 ppi, why would you want more? Mark On Dec 21, 2004, at 10:24 AM, Hans VR wrote: > Mark Savoia wrote: > > >72 ppi is all you need. > >Mark > >� > > > Not on a 1600 x 1200 monitor > > -- > Hans VR > www.vanrafelghem.com > > > Please visit the Group Homepage to check the Files, and other > resources as they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish > to unsubscribe, please edit your Membership preferences by visiting > this same page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to > keep them short. > - Good manners are required at all time. No personal attacks or > flames. Hostile, aggressive or argumentative users may be removed from > the membership without notice. > - Keep your posts and threads related to the group topic of digital > B&W printing. Users who persistently make off-topic posts may be > removed from the membership. > - By posting on this forum you agree to abide by the group rules and > guidelines, and to abide by the actions and decisions of the group > Owner and Moderators. See �Group Topic, Rules and Guidelines� in the > Files section: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > > BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE > PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE �OWNER� > AND �MODERATORS� OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE > LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, > CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, > DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE > LOSSES (EVEN IF THE� �OWNER� AND �MODERATORS� OF DIGITAL BW, THE PRINT > YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), > RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, > THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF > YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD > PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER > MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP. > > > > > > Yahoo! Groups Sponsor > > ADVERTISEMENT > <lrec_barbell_d21_120204.jpg> > <l.gif> > > Yahoo! Groups Links > > � To visit your group on the web, go to: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/ > � > � To unsubscribe from this group, send an email to: > DigitalBlackandWhiteThePrint-unsubscribe@yahoogroups.com > � > � Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > [Non-text portions of this message have been removed]
2004-12-21 by Mark Savoia
OK Phil, I am ending it. Mark On Dec 21, 2004, at 10:28 AM, Phil Rose wrote: > > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Steve Kale" > <stevekale@b...> wrote: > > > > What is the best way to optimize an image for display on the web?� I > have a very simple > > website using .Mac Homepage but need to optimize my images before > placing them in my > > iDisk folder.� What is the best way to do this? Save for Web from > Photoshop? > > Instead, we might wish to consider what is the best way to optimize > our _posting_ for relevence to digital B&W **prints** and > **printing**. Please excuse the harsh tone, but I've been "biting my > tongue" for weeks as the frequency of off-topic posting has increased > considerably here. I'm sure no one who's capable of posting here can > fail to be aware that there are scores of digi-this-and-that forums > and lists that would be happy to respond and discuss any general > digital photography questions (any!)--ad infinitum. The value of this > forum, at least to me, is that this isn't one of those (other) places. > > Phil > > > > > > Please visit the Group Homepage to check the Files, and other > resources as they are often being updated. > > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint > > If you wish to receive no emails or just a daily digest, or you wish > to unsubscribe, please edit your Membership preferences by visiting > this same page. > > Please follow these basic guidelines: > - As threads develop, trim off excess portions of earlier messages to > keep them short. > - Good manners are required at all time. No personal attacks or > flames. Hostile, aggressive or argumentative users may be removed from > the membership without notice. > - Keep your posts and threads related to the group topic of digital > B&W printing. Users who persistently make off-topic posts may be > removed from the membership. > - By posting on this forum you agree to abide by the group rules and > guidelines, and to abide by the actions and decisions of the group > Owner and Moderators. See �Group Topic, Rules and Guidelines� in the > Files section: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/ > > BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE > PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE �OWNER� > AND �MODERATORS� OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE > LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, > CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, > DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE > LOSSES (EVEN IF THE� �OWNER� AND �MODERATORS� OF DIGITAL BW, THE PRINT > YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), > RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, > THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF > YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD > PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER > MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP. > > > > > > Yahoo! Groups Sponsor > > ADVERTISEMENT > <lrec_barbell_d21_120204.jpg> > <l.gif> > > Yahoo! Groups Links > > � To visit your group on the web, go to: > http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/ > � > � To unsubscribe from this group, send an email to: > DigitalBlackandWhiteThePrint-unsubscribe@yahoogroups.com > � > � Your use of Yahoo! Groups is subject to the Yahoo! Terms of > Service. > > [Non-text portions of this message have been removed]
2004-12-21 by Phil Rose
--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Phil Rose" <pjrose@f...> wrote: > > Instead, we might wish to consider what is the best way to optimize > our _posting_ for relevence to digital B&W **prints** and > **printing**. Please excuse the harsh tone, but I've been "biting my > tongue" for weeks as the frequency of off-topic posting has increased > considerably here. BTW, Steve, I didn't intend to imply that you had been particularly involved in past OT posting. This threead just happened to be the one finally took me "over the edge". Phil
2004-12-21 by Hans VR
Mark Savoia wrote: >I thought the resolution on monitors is either 72 ppi or 75 ppi, why >would you want more? >Mark > > Mark, The "dpi" of this screen resolution is dependant on the size of the monitor. Remember, dpi means Dots Per Inch, so if you have a monitor that is 12 inches across (like my IMB Thinkpad), and the screen resolution is 1600 x 1200 pixels, the dpi resolution will be 1600 divided by 12, which is about 133 dpi. -- Hans VR www.vanrafelghem.com
2004-12-21 by Alan.Huntley@cox.net
Steve, You may want to check out Web Presenter Pro at www.fredmiranda.com/software/. Alan Huntley
> > From: "Steve Kale" <stevekale@...> > Date: 2004/12/21 Tue AM 09:48:21 EST > To: DigitalBlackandWhiteThePrint@yahoogroups.com > Subject: [Digital BW] Optimizing Images for the Web > > > > What is the best way to optimize an image for display on the web?
2004-12-21 by Barbara White
Nobody mentioned this, but be sure to sharpen the file after you downrez it. Also, I find that I need to add some saturation to it to make it look good on a browser. Barbara White On Dec 21, 2004, at 7:02 AM, Steve Kale wrote: > > Slices? > > Also if you use Save for Web do you down-res the file before using it? > If > so what to? The original files are large 10x15in @480ppi. > > Thanks > > Steve > barbara@... http://www.barbarawhitephoto.com
2004-12-21 by Sam McCandless
At 10:28 AM -0500 12/21/04, Mark Savoia wrote: >I thought the resolution on monitors is either 72 ppi or 75 ppi, why >would you want more? After having discontinued their CRTs, Apple seems to be standardizing its LCDs on 100 ppi, which they say is optimized for images but is also convenient for the manipulation of text: <http://images.apple.com/displays/pdf/Displays_TO_06282004.pdf> Of course most viewers don't have an Apple display. And besides I don't know that the best spec at which to view the image is necessarily the best spec at which to post it. Nothing seems to me to be that simple any more. -- Sam
2004-12-21 by Ernst Dinkla
Check this page of Bart van der Wolf again, go to the lowest image and see what the differences are on the screen: http://www.xs4all.nl/~bvdwolf/main/foto/down_sample/example1.htm Use at least 100 ppi to be on the save side for a normal browser display - monitor - monitor setting. Ernst
2004-12-22 by Ken Carney
Hi, Steve. Photokit Sharpener (www.pixelgenius.com) has an output sharpener
for web images at various final sizes, which does a good job. Most all my
images are b&w, and with PK Sharpener you have to use RGB, but after
sharpening can convert to grayscale if you want to. Print sizes might vary
from 450 pixels to 800 in the long dimension. What is the address of your
site so we can see your work?
Regards,
--Ken Carney
www.kencarney.com > -----Original Message----- > From: Steve Kale [mailto:stevekale@...] > Sent: Tuesday, December 21, 2004 8:48 AM > To: DigitalBlackandWhiteThePrint@yahoogroups.com > Subject: [Digital BW] Optimizing Images for the Web > > > > What is the best way to optimize an image for display on the > web? I have a very simple website using .Mac Homepage but > need to optimize my images before placing them in my iDisk > folder. What is the best way to do this? Save for Web from Photoshop?
2004-12-22 by John Houghton
--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Sam McCandless <samcc@v...> wrote: > At 10:28 AM -0500 12/21/04, Mark Savoia wrote: > >I thought the resolution on monitors is either 72 ppi or 75 ppi, It is unrealistic to make any such assumptions. My monitor can be set to resolutions in the range 800x600 to 1920x1440. Which one you choose is down to personal taste, viewing distance, and how good your eyesight is. The ppi resolution value embedded in the image is usually ignored by the browser. All that needs to be understood is that pixels in the image are displayed in individual pixels on the screen. So if the screen resolution is 800 pixels wide, an image that is 400 pixels wide will fill half the width of the screen. It's that simple. John
2004-12-22 by Steve Kale
Thanks Ken. At this stage I haven't gotten much up and I will have to pick it up again in the New Year.
> From: Ken Carney <kcarney1@...> > Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > Date: Tue, 21 Dec 2004 19:00:04 -0600 > To: <DigitalBlackandWhiteThePrint@yahoogroups.com> > Subject: RE: [Digital BW] Optimizing Images for the Web > > > Hi, Steve. Photokit Sharpener (www.pixelgenius.com) has an output sharpener > for web images at various final sizes, which does a good job. Most all my > images are b&w, and with PK Sharpener you have to use RGB, but after > sharpening can convert to grayscale if you want to. Print sizes might vary > from 450 pixels to 800 in the long dimension. What is the address of your > site so we can see your work? > > Regards, > > --Ken Carney > www.kencarney.com >
2004-12-22 by Bob Frost
John, Not quite so simple! Your monitor may be set to imitate resolutions from xxx to yyy, but it only has one fixed screen pixel 'resolution' - that is the spacing of the physical pixels (rgb phosphors on a CRT monitor or of the individual lcd elements on a LCD monitor). Any other resolution is just fudged, spreading an image pixel across several screen elements or ignoring some image pixels. The 72ppi (for Mac monitors) and 96ppi (for PC monitors) that are often mentioned were, I think, just a general average of these actual screen pixel resolutions in the past. For example, on my 1600x1200 lcd screen, one image pixel at actual resolution in PS, occupies one r,g,and b element horizontally, but two of each elements vertically. That is the maximum and optimal resolution for this monitor. Each physical element is roughly 1.5 times taller than it is wide, so two elements high by three elements wide gives a square image pixel. At any other resolution, the image pixels have to be fudged onto the actual screen pixels. Just have a look with a x10 hand lens at different resolutions. With CRT monitors it is even stranger, since the phosphor dots are arranged in triangular arrays with varying dot pitches (leaving out the trinitron-type monitors). The clearest picture on the screen is usually achieved when the image resolution and size equal the real screen resolution and size, whether 72, 96ppi, or whatever. Bob Frost.
----- Original Message ----- From: "John Houghton" <j.houghton@...> > >I thought the resolution on monitors is either 72 ppi or 75 ppi, It is unrealistic to make any such assumptions. My monitor can be set to resolutions in the range 800x600 to 1920x1440. Which one you choose is down to personal taste, viewing distance, and how good your eyesight is. The ppi resolution value embedded in the image is usually ignored by the browser. All that needs to be understood is that pixels in the image are displayed in individual pixels on the screen. So if the screen resolution is 800 pixels wide, an image that is 400 pixels wide will fill half the width of the screen. It's that simple.