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Thread: Dot gain grapher

  1. #1
    gordo's Avatar
    gordo is offline Senior Member
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    Default Dot gain grapher

    I'm looking for an Excel spreadsheet (or something else) that takes in either densities or dot gain values and graphs the values. (like the image attached) I've tried the ISODotGain Grapher.xls but, following the instructions seems to give strange results.

    Thx, gordo
    Attached Images Attached Images

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    Frank Burgos is offline Junior Member
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    Hello, gordo,

    I recently created something that might fit your description and I will be happy to share it with you. I created this login to reply and have not oriented myself, yet. Sorry. Please let me know a way to transmit the file to you.

    Regards,
    Frank

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    gordo's Avatar
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    Quote Originally Posted by Frank Burgos View Post
    Hello, gordo,

    I recently created something that might fit your description and I will be happy to share it with you. I created this login to reply and have not oriented myself, yet. Sorry. Please let me know a way to transmit the file to you.

    Regards,
    Frank
    Thanks!

    Email it to me at pritchardgordon @ gmail (dot) com

    Best, gordo

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    Frank Burgos is offline Junior Member
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    Quote Originally Posted by gordo View Post
    Thanks!

    Email it to me at pritchardgordon @ gmail (dot) com

    Best, gordo
    OK, gordo. I sent you a couple of spreadsheets. Please don't hesitate to ask for modifications.

    Best regards,
    Frank

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    ar17 is offline Member
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    hi frank,
    can i also have a copy? thanks

  6. #6
    Frank Burgos is offline Junior Member
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    I'll be happy to, ar17. I tried to figure out how to send it to you, but I have not found an email address or another mechanism. I'll look, but please feel free to let me know how to reach you.

    Regards,
    Frank

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    Stephen Marsh is offline Senior Member
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    Frank, you can attach the spreadsheet to the forum post as an attachment if you like. If the attachment is not allowed, zip compress it first.


    Stephen Marsh

  8. #8
    gordo's Avatar
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    Quote Originally Posted by Frank Burgos View Post
    OK, gordo. I sent you a couple of spreadsheets. Please don't hesitate to ask for modifications.

    Best regards,
    Frank
    Hi Frank,

    I've opened the spreadsheets, however they don't seem to do what I was hoping to do - which is very basic.
    I just want to plot the dot gain curves for the 4 process colors. I.e. plug in the dot gain values and have them graphed like this.



    Which your spreadsheet doesn't seem to do.
    Or maybe I don't know how to use it.

    thanks, gordo

  9. #9
    Frank Burgos is offline Junior Member
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    Hi gordo,

    I have emailed you a workbook that has five worksheets. Sheet one, labeled "Dot Gain Curves", reflects my understanding of your request. Sheets 2-5 are there for plotting actual dot values, not gain, against the file dots; one sheet per process color. The final sheet, labeled "Dots Example", is an example of generating a cutback curve. The horizontal black lines are there to aid in counting the correction.

    I left the sheets you weren't interested in for others who may find them interesting. To delete sheets you don’t want, right-click on the sheet tab and select "Delete." The tonal values range from 0% to 100%, in increments of 5%. You can delete rows for the tonal values you are not interested in.

    Hope we're closer.

    Frank

  10. #10
    Frank Burgos is offline Junior Member
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    Thanks, Stephen, but I only see where I can upload images and video; no files.


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