Some converted NEOchrome Master "raster" images

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Some converted NEOchrome Master "raster" images

Postby Anima » Mon Feb 08, 2016 11:01 pm

I guess there are not many NEOchrome Master raster images, right? Well, here are some converted raster images which can be loaded into NEOchrome Master.

The Retro Image Tool, which has been used to convert the pictures, is written in JavaScript and runs in a browser. Please be careful because it's in an experimental stage and it can slow down your PC and still has some nasty bugs!

Here's a short description how to convert images to the NEOchrome Master raster format (please use Google Chrome for the best result):

First resize your picture to 320 x 200 pixels (any 16:10 aspect ratio source is perfect) with a graphics tool of your choice. Then use drag and drop to move the resized image file into the tool website area. On the very first start the picture will be shown as a 16 colours image.

Be careful: the next step is very time and resource demanding so check if your PC is fast enough. Click on "16" next to "colours" and choose "16 (PCHG)" from the selector to convert the original picture to a "palette changed" image. After the conversion click "save" to name and save the image as an NEOchrome Master compatible IFF image.

Please note that any additional dropped picture file will be converted to "16 (PCHG)" automatically as long as the colour selection isn't changed to a different option.

All NEOchrome Master raster images (IFF) can be found in this archive #1 and archive #2.

Archive #1 previews (scroll down for archive #2):
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image

Archive #2 previews:
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image
Image Image

Edit: spelling, pictures added, tool link added, etc.
Last edited by Anima on Wed Feb 10, 2016 6:51 pm, edited 1 time in total.

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Re: Some converted NEOchrome Master "raster" images

Postby exxos » Mon Feb 08, 2016 11:12 pm

Good stuff :)
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Re: Some converted NEOchrome Master "raster" images

Postby Faucon2001 » Mon Feb 08, 2016 11:23 pm

Wow, nice!
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Re: Some converted NEOchrome Master "raster" images

Postby DarkLord » Mon Feb 08, 2016 11:27 pm

Man, those look great!
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Re: Some converted NEOchrome Master "raster" images

Postby CiH » Mon Feb 08, 2016 11:43 pm

All of the above.

It's late, I'm being thick, but are these the end result displaying on native Atari hardware, and what are we using to display them if that is the case?
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Re: Some converted NEOchrome Master "raster" images

Postby lp » Tue Feb 09, 2016 3:18 am

Indeed nice. Thanks for the sample files. I am updating my IFF codec for zView to handle these. :cheers:

neo_raster_test.png
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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Tue Feb 09, 2016 6:06 am

CiH wrote:All of the above.

It's late, I'm being thick, but are these the end result displaying on native Atari hardware, and what are we using to display them if that is the case?

Yes, the previews show the result on the Atari STE. You can use NEOchrome Master to load and display them. I am not aware of any slideshow software though.

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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Tue Feb 09, 2016 6:12 am

lp wrote:Indeed nice. Thanks for the sample files. I am updating my IFF codec for zView to handle these. :cheers:

:cheers:

Great! I only tested them under Hatari and the only document I found was this one so I hope the files are valid.

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Re: Some converted NEOchrome Master "raster" images

Postby lp » Tue Feb 09, 2016 10:17 am

Anima wrote:Great! I only tested them under Hatari and the only document I found was this one so I hope the files are valid.


That's the only information I could find as well. I think according to the IFF specifications they are slightly incorrect, because the RASTer chunk should appear before the bitmap data. However, we are stuck with this arrangement as NEOchrome Master creates them this way. ;)

I had to tweak my IFF chunk reader. It seems to work quite ok on all the samples and the above snapshot is zView running in 256 colors. Perhaps might look even better in TC if zView doesn't have to dither.

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Re: Some converted NEOchrome Master "raster" images

Postby AtariCrypt » Tue Feb 09, 2016 7:14 pm

Wow really impressive :)
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Re: Some converted NEOchrome Master "raster" images

Postby CiH » Tue Feb 09, 2016 8:55 pm

Yes, the previews show the result on the Atari STE. You can use NEOchrome Master to load and display them. I am not aware of any slideshow software though.

Fair enough. I thought perhaps NEO Master would be the best option, immediately after posting late last night.

But if Lonny has been busy with zView, that's got to be a good thing too. :D
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Re: Some converted NEOchrome Master "raster" images

Postby FedePede04 » Tue Feb 09, 2016 9:54 pm

looking awesome, how many colors does each raster line contain(16?)
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Re: Some converted NEOchrome Master "raster" images

Postby lp » Tue Feb 09, 2016 10:53 pm

CiH wrote:But if Lonny has been busy with zView, that's got to be a good thing too. :D


The updated codec can be found here in folder \zview_codecs\purec\
https://www.dropbox.com/sh/hk65mapqd3fm ... KqQTa?dl=0
It also requires IFF.PRG in the same dir as the codec. ;)

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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Tue Feb 09, 2016 11:23 pm

FedePede04 wrote:looking awesome, how many colors does each raster line contain(16?)

Yes, only 16 colours per line are supported by NEOchrome Master. So there are better solutions out there for the Atari. ;)

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Re: Some converted NEOchrome Master "raster" images

Postby Atari030 » Tue Feb 09, 2016 11:37 pm

These look stunning on my MegaSTE. Funny how a pic of a small town in NZ wound up on there. :-) Nice.

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Re: Some converted NEOchrome Master "raster" images

Postby lp » Wed Feb 10, 2016 3:20 am

Falcon high-color test. Definitely look better, about as good as the png conversions. :thumbs:
zview_hc.png
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Re: Some converted NEOchrome Master "raster" images

Postby FedePede04 » Wed Feb 10, 2016 11:08 am

which program did you use to make this incredibles result :)
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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Wed Feb 10, 2016 4:38 pm

FedePede04 wrote:which program did you use to make this incredibles result :)

It is written in JavaScript and already online but it's currently under heavy development so I'll post the link later on. ;)

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Re: Some converted NEOchrome Master "raster" images

Postby leglod » Wed Feb 10, 2016 5:22 pm

Great pictures :)
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Re: Some converted NEOchrome Master "raster" images

Postby Cyprian » Sun Feb 14, 2016 11:06 am

Anima wrote:After the conversion click "save" to name and save the image as an NEOchrome Master compatible IFF image.

great tool but "save" doesn't work under Firefox 44 for me
and after 16(PCHG) or 32(PCHG) calculations my image becomes black
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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Sun Feb 14, 2016 12:37 pm

Cyprian wrote:
Anima wrote:After the conversion click "save" to name and save the image as an NEOchrome Master compatible IFF image.

great tool but "save" doesn't work under Firefox 44 for me
and after 16(PCHG) or 32(PCHG) calculations my image becomes black

Sorry about this. Now it should work again.

Edit: also I would recommend to use Chrome or Microsoft Edge for the time being since Firefox has memory problems. Yeah, I am about to fix that. :D

Second edit: "save" works again in Firefox... :roll:

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Re: Some converted NEOchrome Master "raster" images

Postby Cyprian » Sun Feb 14, 2016 1:13 pm

great works now ok. thanks

Would be possible to add 4 (PCHNG) mode? It would be cool to see some hi-color graphics in ST-Med resolution.
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Re: Some converted NEOchrome Master "raster" images

Postby Anima » Sun Feb 14, 2016 3:22 pm

Cyprian wrote:Would be possible to add 4 (PCHNG) mode? It would be cool to see some hi-color graphics in ST-Med resolution.

Yes, it's online.

Of course you should use images with a resolution of 640 x 200 pixels do get the right result. Note that the picture aspect ratio in the online tool is being corrected for this particular image size like it is being displayed on the Atari.

Beware: with only four colours the quality of the resulting images depends heavily on the content.

To test it please download this picture:
Image

For a better view here's the source picture with the correct aspect ratio followed by the resulting image:
Image

Image

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Re: Some converted NEOchrome Master "raster" images

Postby Cyprian » Sun Feb 14, 2016 5:11 pm

great.
What does "Colours" checkbox stand for ?

One more bug found. In FF when processing image is done we can still see message "Processing... 70%"
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