It's either a string file name on the left and a 2-dimension array of rgb values (ie. 256#.(red, green, blue)) one the right, or vice-versa. Do whichever one doesn't give you a domain error.
Marshall On Tue, Nov 8, 2011 at 11:39 AM, David Vaughan <[email protected] > wrote: > Thanks, I never realised all that stuff was there. > > Back to the writebmp verb - what should its operands be? > > On 8 Nov 2011, at 15:14, Raul Miller wrote: > > > If you are using jhs the package manager is what an old name for what > > is now at link -> jal > > > > Once you are there, you would select a category (Upgradeable, > > Removable, Installed, Not Installed, or even Descriptions -- though > > descriptions does not tell you the installed status of packages and > > does not let you install or upgrade them). > > > > So, anyways, you would search through the categories -- if it's Not > > Installed, you would find the graphics/bmp checkbox and install it. > > If it's Upgradeable, you might want to find the graphics/bmp checkbox > > and upgrade it. If it's in neither of those categories it's going to > > be in Installed and you should not have to do anything. > > > > Note also that if you are using jhs and you have not been using jal > > there is probably a new version of jhs to install (and you can use jal > > to do that). > > > > FYI, > > > > -- > > Raul > > > > > > > > On Tue, Nov 8, 2011 at 9:41 AM, David Vaughan > > <[email protected]> wrote: > >> How do I actually update my addons, and what is the package manager? > >> > >> On 8 Nov 2011, at 14:18, Raul Miller wrote: > >> > >>> If you are using j7 and, I think that require'viewmat' will also > >>> require 'graphics/bmp' > >>> > >>> That said, if you do not have it installed, you can install the > >>> graphics/bmp package using the package manager. > >>> > >>> FYI, > >>> > >>> -- > >>> Raul > >>> > >>> > >>> On Tue, Nov 8, 2011 at 7:21 AM, David Vaughan > >>> <[email protected]> wrote: > >>>> load'bmp' > >>>> not found: /Applications/j64-701/addons/graphics/bmp/bmp.ijs > >>>> |file name error: script > >>>> | 0!:0-.&(128}.a.) 1!:1 y[4!:55<'y' > >>>> > >>>> Where can I get the script? > >>>> > >>>> On 8 Nov 2011, at 11:17, Björn Helgason wrote: > >>>> > >>>>> load'bmp' > >>>>> writebmp > >>>>> > >>>>> > >>>>> 2011/11/8 David Vaughan <[email protected]> > >>>>> > >>>>>> Is there something that creates bitmaps? So say I wanted to make a > bitmap > >>>>>> of the Mandelbrot set (and I had a 2d array representing each > pixel) is > >>>>>> there a verb that will make that into a bitmap? > >>>>>> > >>>>>> ___________________________ > >>>>>> > >>>>>> David Vaughan > >>>>>> > >>>>>> On 7 Nov 2011, at 19:25, Raul Miller <[email protected]> wrote: > >>>>>> > >>>>>>> Sometimes your description seems accurate. > >>>>>>> > >>>>>>> However, consider: > >>>>>>> viewmat i.10 > >>>>>>> or > >>>>>>> viewmat 2 > >>>>>>> > >>>>>>> -- > >>>>>>> Raul > >>>>>>> > >>>>>>> On Mon, Nov 7, 2011 at 1:36 PM, David Vaughan > >>>>>>> <[email protected]> wrote: > >>>>>>>> Am I right in thinking that viewmat takes a 2d array and treats > it as > >>>>>> if each number is a pixel and its value is its colour? > >>>>>>>> Thanks. > >>>>>>>> > >>>>>>>> ___________________________ > >>>>>>>> > >>>>>>>> David Vaughan > >>>>>>>> > >>>>>>>> On 6 Nov 2011, at 20:12, "Linda Alvord" <[email protected]> > >>>>>> wrote: > >>>>>>>> > >>>>>>>>> Here's another option: > >>>>>>>>> > >>>>>>>>> S=: 13 :'''+.''{~([:+./*.)"1/~#:i.y' > >>>>>>>>> S > >>>>>>>>> '+.' {~ [: ([: +./ *.)"1/~ [: #: i. > >>>>>>>>> > >>>>>>>>> S 8 > >>>>>>>>> ++++++++ > >>>>>>>>> +.+.+.+. > >>>>>>>>> ++..++.. > >>>>>>>>> +...+... > >>>>>>>>> ++++.... > >>>>>>>>> +.+..... > >>>>>>>>> ++...... > >>>>>>>>> +....... > >>>>>>>>> > >>>>>>>>> Linda > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> -----Original Message----- > >>>>>>>>> From: [email protected] > >>>>>>>>> [mailto:[email protected]] On Behalf Of Roger > Hui > >>>>>>>>> Sent: Saturday, November 05, 2011 2:10 PM > >>>>>>>>> To: Programming forum > >>>>>>>>> Subject: Re: [Jprogramming] Binary Addresses Method > >>>>>>>>> > >>>>>>>>> I believe the "and" in your pseudocode maps to 17 b. (bitwise > and). > >>>>>> Thus: > >>>>>>>>> 0 = 17 b./~ i.256 > >>>>>>>>> > >>>>>>>>> For example, using the boolean matrix result to index into '.*', > >>>>>>>>> > >>>>>>>>> '.*' {~ 0 = 17 b./~ i.16 > >>>>>>>>> **************** > >>>>>>>>> *.*.*.*.*.*.*.*. > >>>>>>>>> **..**..**..**.. > >>>>>>>>> *...*...*...*... > >>>>>>>>> ****....****.... > >>>>>>>>> *.*.....*.*..... > >>>>>>>>> **......**...... > >>>>>>>>> *.......*....... > >>>>>>>>> ********........ > >>>>>>>>> *.*.*.*......... > >>>>>>>>> **..**.......... > >>>>>>>>> *...*........... > >>>>>>>>> ****............ > >>>>>>>>> *.*............. > >>>>>>>>> **.............. > >>>>>>>>> *............... > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> On Sat, Nov 5, 2011 at 10:50 AM, mikel paternain > >>>>>>>>> <[email protected]>wrote: > >>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> In the amazing book Chaos and Fractals New frontiers of > Science, the > >>>>>>>>>> authors described a simple algorithm for making the Sierpinski > Gasket. > >>>>>>>>> This > >>>>>>>>>> is perhaps the most short and efficient algorithm (in non tacit > >>>>>>>>> programming > >>>>>>>>>> languages) for computing this fractal. > >>>>>>>>>> The basic algorithm is(in pseudocode): > >>>>>>>>>> > >>>>>>>>>> Define x,y > >>>>>>>>>> For y=0 to 255 > >>>>>>>>>> For x=0 to 255 > >>>>>>>>>> If /x And y)=0 Then Pset(x,y) //Pset is a function for > >>>>>> drawing > >>>>>>>>>> the point x,y > >>>>>>>>>> Next x > >>>>>>>>>> Next y > >>>>>>>>>> End > >>>>>>>>>> > >>>>>>>>>> With my little experience inJ the question is how translate > this code > >>>>>> to J > >>>>>>>>>> . Help me please! > >>>>>>>>>> Thanks in advance!! > >>>>>>>>>> > >>>>>>>>>> Mikel > >>>>>>>>>> > ---------------------------------------------------------------------- > >>>>>>>>>> For information about J forums see > >>>>>> http://www.jsoftware.com/forums.htm > >>>>>>>>>> > >>>>>>>>> > ---------------------------------------------------------------------- > >>>>>>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>>>>>>> > >>>>>>>>> > ---------------------------------------------------------------------- > >>>>>>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>>>>>> > ---------------------------------------------------------------------- > >>>>>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>>>>>> > >>>>>>> > ---------------------------------------------------------------------- > >>>>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>>>> > ---------------------------------------------------------------------- > >>>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>>>> > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> Björn Helgason, Verkfræðingur > >>>>> Fornustekkum II > >>>>> 781 Hornafirði, > >>>>> t-póst: [email protected] > >>>>> gsm: +3546985532 > >>>>> twitter: @flugfiskur > >>>>> http://groups.google.com/group/J-Programming > >>>>> > >>>>> > >>>>> Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari > einfaldleikans > >>>>> > >>>>> góður kennari getur stigið á tær án þess að glansinn fari af skónum > >>>>> /|_ .-----------------------------------. > >>>>> ,' .\ / | Með léttri lund verður | > >>>>> ,--' _,' | Dagurinn í dag | > >>>>> / / | Enn betri en gærdagurinn | > >>>>> ( -. | `-----------------------------------' > >>>>> | ) | (\_ _/) > >>>>> (`-. '--.) (='.'=) ♖♘♗♕♔♙ > >>>>> `. )----' (")_(") ☃☠ > >>>>> > ---------------------------------------------------------------------- > >>>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>>> > >>>> ---------------------------------------------------------------------- > >>>> For information about J forums see > http://www.jsoftware.com/forums.htm > >>> ---------------------------------------------------------------------- > >>> For information about J forums see http://www.jsoftware.com/forums.htm > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
