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RESAMPLING IMAGES IN CANVASX

(13 posts)

  • rsands
    Member

    I've made a multipage publication (6" x 4") with many images placed. Some pages have 8-10 images. Theyre from digital camera - 1.3mb each. After 12 pages the file size has crept to 650 mb and takes a while to save.
    2 Q's. Can I resample the images as they come in or after?
    I'm never sure as to the image size for printing to Epson R1800 on photo paper - in this case 6x4".
    In my job mentioned I just cropped with Canvas and kept placing. Some of the cropped images are only 30mm square.
    Would appreciate input here.
    regards Richard

    Posted On December 16, 2006 - 09:57 PM (2 years ago) (Permalink to this post)

  • suzannevaughan
    Member

    Richard S said:

    I've made a multipage publication (6" x 4") with many images placed. Some pages have 8-10 images. Theyre from digital camera - 1.3mb each. After 12 pages the file size has crept to 650 mb and takes a while to save.
    2 Q's. Can I resample the images as they come in or after?
    I'm never sure as to the image size for printing to Epson R1800 on photo paper - in this case 6x4".
    In my job mentioned I just cropped with Canvas and kept placing. Some of the cropped images are only 30mm square.
    Would appreciate input here.
    regards Richard

    Hello Richard,

    You can resample after you place them using the Image > Area > Resolution command. Remember the resolution you select depends on the method of output.

    For cropping, you have the Ctrl key method as well as the Crop tool in the Painting tools palette. When you click an image with the Crop tool, cropping controls appear in the Properties bar.

    Posted On December 17, 2006 - 12:29 AM (2 years ago) (Permalink to this post)

  • rsands
    Member

    Canuck the evangelist said:

    Hello Richard,

    You can resample after you place them using the Image > Area > Resolution command. Remember the resolution you select depends on the method of output.


    Thanks Suzanne, was unaware of Image/ Area/ Resolution command.
    As to output, this is where I am at unsure just what resolution equates to a decent print. Eg I import a std 3mb digital camera photo. In this job the page size was 6x4" and I placed several photos in that size - some as small as 40mm square. I was just cropping the imported images without reducing resolution. I would imagine I could drastically reduce the resolution and still achieve a very satisfactory result - Epson R1800 and photo gloss paper.
    regards Richard

    Posted On December 17, 2006 - 03:15 AM (2 years ago) (Permalink to this post)

  • suzannevaughan
    Member

    Richard S said:

    Thanks Suzanne, was unaware of Image/ Area/ Resolution command.
    As to output, this is where I am at unsure just what resolution equates to a decent print. Eg I import a std 3mb digital camera photo. In this job the page size was 6x4" and I placed several photos in that size - some as small as 40mm square. I was just cropping the imported images without reducing resolution. I would imagine I could drastically reduce the resolution and still achieve a very satisfactory result - Epson R1800 and photo gloss paper.
    regards Richard

    Hello Richard,

    I typically use 150-300 dpi for printed items. For online use, 72 dpi is fine.

    Posted On December 19, 2006 - 12:55 AM (2 years ago) (Permalink to this post)

  • rsands
    Member

    Thanks Suzanne, I'll give that a try and see what differences I get file size and print output.
    regards Richard

    Posted On December 19, 2006 - 03:47 AM (2 years ago) (Permalink to this post)

  • sjordi
    Member

    I usually resize the pictures to what I want, then use the
    Image Resolution tool to resample them to half the
    printer resolution. I read a tip from professionals stating
    that it's common to print at half the printer's resoution without
    really being able to notice the difference.

    Also, when I resample the picture, I uncheck the "Preserve
    Data" before resetting the Resolution.

    For example, I have a 10x15" picture I resize down to 2x3"
    (which increases the picture resolution!) and then set the
    resolution to 300 for a 600dpi printer.

    If you have a 2400dpi printer you can set the picture
    to 1200dpi, etc...

    Steve

    Posted On December 20, 2006 - 04:01 AM (2 years ago) (Permalink to this post)

  • rsands
    Member

    Many thanks Steve for your detailed and very helpful response. I'll stick all this on my printer for reference.
    regards Richard

    Posted On December 20, 2006 - 04:28 AM (2 years ago) (Permalink to this post)

  • Rod Norwood
    Member

    Rather than change the resolution of the original image, I prefer to use Image/Area/Render.

    This creates a duplicate image with any desired changes to resolution, mode etc. If I am not happy with the result, I still have the original image to work with. Much safer, I think. The original can be deleted later if required.

    Posted On January 1, 2007 - 01:25 AM (2 years ago) (Permalink to this post)

  • rsands
    Member

    Rod Norwood said:

    Rather than change the resolution of the original image, I prefer to use Image/Area/Render.

    This creates a duplicate image with any desired changes to resolution, mode etc. If I am not happy with the result, I still have the original image to work with. Much safer, I think. The original can be deleted later if required.


    Rod I assume when I 'PLACE' an image in Canvas it becomes part of the Canvas file and loses its link to the original. (I hope that's the case). IE the original doesn't get resized etc. I defenitely don't want to mess with my original image.
    regards Richard

    Posted On January 1, 2007 - 05:11 AM (2 years ago) (Permalink to this post)

  • suzannevaughan
    Member

    Richard S said:

    Rod I assume when I 'PLACE' an image in Canvas it becomes part of the Canvas file and loses its link to the original. (I hope that's the case). IE the original doesn't get resized etc. I defenitely don't want to mess with my original image.
    regards Richard

    Hello Richard,

    If you use the Place command, there is no link to the original. I always make sure to use Place or Import (images only) so I don't lose my original.

    Posted On January 1, 2007 - 12:23 PM (2 years ago) (Permalink to this post)

  • Rod Norwood
    Member

    Richard S said:

    Rod I assume when I 'PLACE' an image in Canvas it becomes part of the Canvas file and loses its link to the original. (I hope that's the case). IE the original doesn't get resized etc. I defenitely don't want to mess with my original image.
    regards Richard

    Richard,

    Sorry if I misled you. When I referred to the original image I meant the original hi-res version in your Canvas document.

    Sometimes it is very useful to retain that version. For example, if you need to produce a larger version of your document or a higher resolution version. Sure you have that image in your picture archives and right now you could find it easily because you know its name and location. But what about in one or two years time?

    Keeping original graphics in your Canvas file - off the actual Page/Sheet area, of course - can be a super time and trouble saver when you need to do later revisions.

    Posted On January 2, 2007 - 01:58 AM (2 years ago) (Permalink to this post)

  • rsands
    Member

    [b]Thanks Rod - I misunderstood you - That sounds a very good idea and one I will use in future.
    ('The more I learn the less I realise how little I know').
    regards Richard

    Posted On January 2, 2007 - 02:47 AM (2 years ago) (Permalink to this post)

  • Michael Kohan
    Member

    I've been using Canvas for image editing for many years and I have to say that Steve Jordi is not correct about using half the printer resolution. You should do what Rod Norwood says and use the render command, and set the resolution to either 180 or 240 and set the size entires to fit the 4x6 area.

    I print 13x19 photos very often and use 180 dpi and the quality is just as good as when I tried 300 dpi, and the document saves much faster. (Also do this, go to Save As and look to see of the Use Compression is checked, if so, uncheck it then cancel the window, saving will go much faster as well.)

    The resolution and size are also dependent on the original image. I work from a 300 dpi base and adjust from there. I have a Nikon E995 that is 3.3 mp, and now use a Nikon D70s that is 6.1 mp. when I place the images into Canvas, I set them to 300 dpi using the resolution choice on the Image menu. The D70s comes out to 6.5" x 10", the E995 is 4" x 6.2". (Ooops, have to run, I will elaborate later today.)

    Posted On March 27, 2007 - 11:30 AM (2 years ago) (Permalink to this post)

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