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  1. #1
    Guild Applicant
    Join Date
    Nov 2015
    Location
    California
    Posts
    4

    Question New here too

    I'll join the other newbies here today. I'm glad this group exists. I would not have found it if I had not been looking for a solution to a problem.

    Can I put that problem here?

    I want some sort of bounding box or frame to use to make a map of the central California coast. I want the rest of California to disappear or to stay faded black & white.
    I made a polygon but one has to use a raster to use Extract by Mask and I don't have a raster that covers both the land and the ocean.

    Is there another tool to use?

    Thank you!

    Julie

  2. #2
    Banned User
    Join Date
    Jul 2014
    Location
    Traverse City, Michigan, USA
    Posts
    2,547

    Default

    Hi Julie! Welcome to the Guild!

    Is something like this what you have in mind?

    Soft edge:
    ForJulie01.jpg

    or
    Hard edge:
    ForJulie02.jpg

  3. #3
    Guild Applicant
    Join Date
    Nov 2015
    Location
    California
    Posts
    4

    Default

    Hard edge. That would be awesome! How did you do that?

  4. #4
    Banned User
    Join Date
    Jul 2014
    Location
    Traverse City, Michigan, USA
    Posts
    2,547

    Default

    Quote Originally Posted by AcuteEnigma View Post
    Hard edge. That would be awesome! How did you do that?
    I did it in Photoshop, but I'm sure you can do the same in GIMP or most other such programs.

    1. I duplicated the color layer, put it below the first one and then desaturated it to greyscale.
    2. I made the shape of the polygon, selected the outside, then deleted the colored layer outside the polygon.

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