Can you help me with this interactive website?

March 2, 2020 at 23:57:47
Specs: several
I went to the Great Circle Mapper website and very easily
made a map that should appear when you follow this link:

http://www.gcmap.com/mapui?P=suu-hi...

But I need better resolution for printing it on paper. Three
or four times that size would be best. Is there any way to
make it larger?

-- Jeff, in Minneapolis


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#1
March 3, 2020 at 00:26:33
File > Print Preview.
Have a play around with the settings in there.

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#2
March 3, 2020 at 02:56:33
That won't increase the resolution.

The image is 540 pixels square. I'm going to be printing at
almost exactly that many dots per inch, and the image should
be about 3" - 4" square, so 3 or 4 times the resolution would
be ideal.

It wasn't obvious to me what software and database the website
uses, but I thought it might be Google or Apple or the like, and
whatever adjustments that map generator can make might also
be available on the Great Circle Mapper, and you might recognize
the map generator, and know how it works, and so be able to
tell me.

-- Jeff, in Minneapolis


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#3
March 3, 2020 at 03:33:43
in chrome: inspect element, change size to 1600 x 900 :)

specs: https://www.userbenchmark.com/UserR...


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#4
March 3, 2020 at 03:37:06
"image should be about 3" - 4" square, so 3 or 4 times the resolution would
be ideal"
Can't you use a photo/image editor for that?
Maybe one of these will help.
https://www.softpedia.com/get/Multi...
https://www.softpedia.com/get/Multi...
https://www.softpedia.com/get/Multi...

"might recognize the map generator"
I know zilch about this.
Right click on the page > Inspect element. Go through the tabs.
http://www.gcmap.com/mapui?P=suu-hi...


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#5
March 3, 2020 at 03:44:01
The 540 pixel size seems to be the maximu that you can get. You can reduce the image size, but not increase it beyond that size.

I did find a facebook page where someone asked that question, and the software developers said it might be a future enhancement in a premium version. But that seems to have never been implemented.


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#6
March 3, 2020 at 03:52:34
I don't know what you are trying to do with the map or how it gets into your document, but I've used this technique quite often...

1 - Enlarge your screen, either through the slide bar or Ctrl-mouse wheel or whatever method works on your laptop.

2 - Use Windows Snipping Tool (should be built into Windows, just search for 'snip') to capture the enlarged map.

3 - Paste it into your document.

Enlarging the "screen" and then doing the snip tends to hold the resolution better than capturing the small image and then trying to enlarge that. Sometimes I go bigger than I need and then reduce the size of the snip once it's been pasted into the doc. Seems to help sometimes.

message edited by DerbyDad03


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#7
March 3, 2020 at 04:00:56
The fact that you asked me to use "Inspect element" leads me
to suspect that you think I'm the website owner/creator/manager.
Nope, I'm just a user.

The size of the image might depend on the size of my screen or
browser window, but it might always be 540 pixels square, or it
might be adjustable somehow. I don't see any way to adjust it.
I'm hoping that somebody either sees something I don't, or is
familiar with the map generator the website uses and knows
how I can tell it to make the map bigger.

If I misunderstood what you meant, please hit me upside the
head with it.

-- Jeff, in Minneapolis


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#8
March 3, 2020 at 04:26:58
Is this what you want?
https://i.imgur.com/NGF6Ekj.gif


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#9
March 3, 2020 at 04:41:40
re: "I don't see any way to adjust it."

Did you see my response? #6?

message edited by DerbyDad03


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#10
March 3, 2020 at 05:07:54

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#11
March 3, 2020 at 06:06:22
ijack and DerbyDad03,

I didn't see your posts before my last post. (Or after, until now.)

Thank you ijack. Did you happen to discover what map
generating engine is used?

Thank you, too, DerbyDad03, You replied:

> 1 - Enlarge your screen, either through the slide bar or Ctrl-mouse
> wheel or whatever method works on your laptop.

You mean Ctrl + to increase the size of the page in the browser?
That magnifies images but doesn't increase the resolution, so the
images just get big and fuzzy.

> 2 - Use Windows Snipping Tool

In this case I can just right-click the image and select "Save picture as".
That will give the full resolution of the image that the website sends,
even if the picture is too big to fit in my browser window. In this case,
fitting in my browser window is not a problem.

> Enlarging the "screen" and then doing the snip tends to hold the
> resolution better than capturing the small image and then trying to
> enlarge that.

It probably depends on the algorithm used to enlarge the image. Some
are fuzzier than others. Fuzzy ones can sometimes be better for photos,
but they are usually horrid for graphics with sharply-defined edges. I've
seen space alien conspiracy theories based on images of the Moon
zoomed in on with Photoshop until individual pixels become huge blobs.
I don't use Photoshop, but I'm quite sure that changing a setting in PS
would prevent that sort of thing.

Thank you, too, Johnw. It looks like you took the image on the
web page and enlarged it to 150% of the original size. No increase in
resolution, just bigger.

hidde663,

You did that with the Inspect element thingy? I had no idea it could
alter stuff on a page like that. Still, all it did was enlarge the existing
540x540 pixel image, making it a bit fuzzier horizontally than vertically.

Thank you, too!

-- Jeff, in Minneapolis


message edited by Jeff Root


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#12
March 3, 2020 at 06:45:02
" No increase in resolution, just bigger"

How to Convert Pictures to High Resolution JPEG
https://www.techwalla.com/articles/...


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#13
March 3, 2020 at 07:37:13
i just used the NCIS "enchanced" feature, in real life it doesnt really work that way tho haha.

The image is 540x540, only the owner of the site can change it.

http://www.gcmap.com/map?P=suu-hik-...

specs: https://www.userbenchmark.com/UserR...


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#14
March 3, 2020 at 08:35:28
It seems to be custom software, although it uses several other functions: http://www.gcmap.com/faq/other

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#15
March 3, 2020 at 12:53:58
you can try to save the page and tinker with mapui.js and function mapui_submit
I cant read js or html very well, like not even on a script kiddy level

specs: https://www.userbenchmark.com/UserR...

message edited by hidde663


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#16
March 3, 2020 at 20:06:51
hidde663,

I take it that you are suggesting that there might be variables
within the software that can be manipulated by the web page
or its associated files (JavaScript, probably) that do not have
controls visible to users. Is that right? That seems like a real
long shot. If the JavaScript has sensible variable names, it
might be worth a little bit of time trying to puzzle out. Maybe
even if it doesn't have sensible variable names, it would be
possible to figure out from how it is used that some variable
determines the size of the image.

I know html pretty well, JavaScript and CSS only at first week
of kindergarten level.

Thank you!

-- Jeff, in Minneapolis


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#17
March 3, 2020 at 22:38:36
You can add "&height=" and "&width=" parameters to the URL. They can reduce the size to less than 540, but values above this don't increase the size.

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#18
March 4, 2020 at 19:42:32
Thank you, ijack! If anything should work, that should.

It would be a nice world if "should" = "does".

-- Jeff, in Minneapolis


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