http://imagej.273.s1.nabble.com/Importing-data-from-ascii-format-tp3684915p3684917.html
> Text Image command that does essentially what you want. It works if you
between rows. However, it won't support multiple image planes, as far as I
know. You could write each plane to its own text file and then batch import
them via a macro.
> Hi Dave,
>
> if you want to import your data in ImageJ as raw, don't write ASCII.
> Instead write bytes, without any delimiters in between, and use 8-bit raw
> import in ImageJ.
> If your software can't do that, if it can only write strings (text), no raw
> bytes, then you should convert the pixel values to characters by some
> function that gets the ascii character from the character code, and use the
> pixel value as character code.
> Conversion to text won't work if your software uses the 0 byte as string
> terminator (many C programs do). Also, beware of software translating higher
> values (>127) to Unicode with more than 1 byte.
>
> What you currently do: ImageJ reads the ascii code for each pixel. If you
> read bytes, the pixels written as "0" will be read as character code 48
> (0x30 hex), "1" will become 49, and "9" becomes 57. You would have to write
> a colon ":" for 58, a semicolon ";" for 59, etc.
>
> For exporting as unsigned short int, simply convert your image to "16-bit".
> Save As>Raw Data should do the job, but you have to try whether you need
> little or big endian format. You can set this in Edit>Options>Input/Output,
> "Save tiff&raw in Intel byte order"
>
> Michael
> ________________________________________________________________
>
>
> On 18 Apr 2011, at 16:30, DavidOxley2 wrote:
>
> Dear all,
>> I have found similar questions to mine, but nothing quite the same. I have
>> very little experience with ImageJ and could not find an answer to my
>> question in the documentation and thought this may be a place to start. If
>> I
>> am in the wrong place, please let me know.
>> I have two questions:
>>
>> 1) problem importing ascii numbers
>> I am trying to transfer some data from one software tool to another, where
>> the second requires a 3Dimage file in binary format (unsigned short
>> integers) as its input.
>> I have a 3D voxel space of 100x100x100 voxels, which I essentially have
>> full
>> control over and can (in theory) write to any format I want (or imageJ
>> needs). ImageJ was recommended to me as being able to load in ascii data
>> and
>> write out the 3D image file.
>> I have reduced my voxel map to a very simple case of a straight line for
>> debugging purposes. So I export my voxel space into a list of 1 million
>> decimals either 0 or 9:
>> 0
>> 0
>> 0
>> (...)
>> 9
>> (...)
>> 0
>>
>> If I load this into imageJ using File>Import>Raw data.. and set up the
>> formatting (100pixelsx100pixelsx100slices), then I can see my line where I
>> expect it to be. However if I replace the 9's with 10's, the image seems
>> to
>> become a mess and I dont see my line anymore. I am guessing I need to add
>> some space delimiter. I have tried 0,0,0 and 0 "\t" 0 etc, but cant find
>> what is correct.
>> If anyone can advise me how best to change my format, this will be very
>> helpful.
>>
>> 2) Saving the imported data to 3D image
>> Let's say I go back to the 9's and I can see my data no problem. Then I
>> want
>> to save it, I have been advised to save it as raw data, unsigned short int
>> in binary format. But using File>Save As> Raw data , seems to just give me
>> a
>> list of integers again, when I need a binary option. Does this exist
>> somewhere?
>>
>> These feel like basic questions to me, but I could not find what I wanted
>> in
>> the user guide. Perhaps someone can also recommend further documentation.
>>
>> Many thanks in advance,
>>
>>
>> Dave
>>
>>
>> --
>> View this message in context:
>>
http://imagej.588099.n2.nabble.com/Importing-data-from-ascii-format-tp6283855p6283855.html>> Sent from the ImageJ mailing list archive at Nabble.com.
>>
>