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
