use it from Fortran and later our C++
matrix class. This is what I started with, summer of 1990:
http://amiga-fish.erkan.se/amiga-fish-disk-340-content-Plplot/
--
Maurice LeBrun
).
I think my last project involved implementing overlaid rulers. They weren't
saved as part of the plot buffer but done as the last stage so that moving
them around on the screen was fast (refresh == expose + line draws over top).
Of course, all proprietary. :(
--
Maurice LeBrun
On Saturday, March 7, 2015 at 00:14:27 (-0600) Maurice LeBrun writes:
I think my last project involved implementing overlaid rulers. They weren't
saved as part of the plot buffer but done as the last stage so that moving
^^^
Argghh.. I meant the xwin pixmap
the right place of device-independence always horrified me sufficiently
to stay well away from it. But it sounds like a agreat idea. :)
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. Poor man's graphical editor.
Just food for thought..
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capability
grew, plmeta became unable to fully reproduce the observed output.
- The physical device coordinate space was a limiting factor, say for later
zooms.
- Ditto for the physical device API. A metafile/renderer built at a higher
level would've had more versatility.
--
Maurice LeBrun
Hi Alan,
Thanks for your analysis, it was very interesting. Perhaps if I were to take
an extended look at that 20-yr-old fix I might be able to dredge up some
insights. OTOH, the ps driver was not my creation and I never felt truly
comfortable modifying it. I basically just hacked it as needed
Test to see if I got dropped from the list.
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I saw something very similar strange happen with a software product in the
not too recent past. We were seeing syntax errors from the command
interpreter, from a line that looked completely fine. On a hunch, I had the
person delete what appeared to be a dash, then insert a '-' from his US
. When I unset
the ones I didn't want, he got conflicts when trying to check out. Might be
an easily resolved issue, I never did figure it out. Was a few years back.
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Maurice LeBrun
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**p_menustr, const char **p_devname, int *p_ndev, int
type )
{
...
The pointers are dereferenced by the API calls to the implementing routine, so
are not needed. I probably meant to go back fix that up eventually but
ended up forgetting all about it. :)
--
Maurice LeBrun
On Thursday, November 21, 2013 at 22:53:02 (-0600) Maurice LeBrun writes:
I became curious reading this thread so I had a look -- apparently the answer
is in the code. From src/plcore.c:
...
void
plgDevs( const char ***p_menustr, const char ***p_devname, int *p_ndev
it should be more relaxed.
Regards,
Arjen
-Original Message-
From: Alan W. Irwin [mailto:ir...@beluga.phys.uvic.ca]
Sent: Tuesday, November 05, 2013 9:48 PM
To: Maurice LeBrun; Arjen Markus
Cc: PLplot development list
Subject: Re: [Plplot-devel] Pltk segfault
/share/tcltk/tcl8.5 /usr/lib /usr/local/lib/tcltk /usr/local/share/tcltk
/usr/lib/tcltk /usr/share/tcltk
That first entry enables it to find the right packages.
--
Maurice LeBrun
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is cheap. People wanting to
manipulate a huge DB can have it all in ram if they really want. Earlier this
year I bought 8G of DDR2 (4x2G) for only $100 from newegg. Wait a few years
and 32G or even 64G will be attainable without paying enterprise prices.
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magnification factor ??
1 scroll speed??
leftrightupdown scroll after zoom
Altkey increase scroll speed
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, it should be.
If I ever had the free time (ha) I'd like to code a demo. Not that hard since
I've already done it but would take a bit of time to do from scratch.
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On Sunday, August 12, 2012 at 08:02:20 (-0700) Alan W. Irwin writes:
On 2012-08-12 00:22-0500 Maurice LeBrun wrote:
Here is the behavior I see on a plplot build (a bit old but none of this
stuff
has changed recently AFAIK). BTW H=120 is green, blue is H=240. Cf.
http
). To avoid ambiguity, how about dropping all
special meaning from the name and using alt_hue_path instead (with
appropriate docbook and doxygen documentation of exactly what that
means in a mathematical sense)?
Sounds good.
--
Maurice LeBrun
Here is the behavior I see on a plplot build (a bit old but none of this stuff
has changed recently AFAIK). BTW H=120 is green, blue is H=240. Cf.
http://en.wikipedia.org/wiki/HLS_color_space
Using a Hue range of {0,120} gives a Red - Yellow - Green shading.
Using a Hue range of {120,0} gives
to support g77 on that platform any more.
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supporting that.
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On Monday, January 16, 2012 at 14:47:40 (+) Andrew Ross writes:
Is this actually a bug? Example 12 uses plcol1 to set the colour for the
boxes in a box chart, then plots text. The text comes out in the same
(cmap0) colour even though the boxes
On Sunday, November 6, 2011 at 12:51:12 (-0800) Alan W. Irwin writes:
Does anyone here know the g77 package availability for enterprise
RedHat and SuSe?
On my CentOS 5.x box, g77 is indeed part of the standard installation, with
/usr/bin/f77 symlinked to /usr/bin/g77.
--
Maurice LeBrun
On Friday, October 21, 2011 at 19:43:14 (-0700) Alan W. Irwin writes:
Hi Maurice:
On 2011-10-21 18:32-0600 Maurice LeBrun wrote:
On Friday, October 21, 2011 at 10:43:56 (-0700) Alan W. Irwin writes:
If I don't hear any strong objections to changing the minimum version
of CMake
. More than a
decade.
If you agree changes should be made, do you want to update the file
yourself or do you want me to do it?
If you could, I'd appreciate it, as I'm swamped at work as usual.
--
Maurice LeBrun
team gradually came to be.
Feel free to adopt / condense / add-to any of the above.
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at times when using
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is
offended by the portrayal (btw my mom's side of the family is German). I
thought it was really funny. And, although sometimes it's a PITA, I do really
like const.
http://gamesfromwithin.com/the-const-nazi
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drivers/xwin.c and src/plbuf.c for sure. Else code will go
boom.
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allocation to a malloc/free each time plfill() is called could suck for the
many small-n-vertices polygon case. Using per-stream polyline buffers is
better but more convoluted. The short term solution is definitely just
recompile with a higher limit.
--
Maurice LeBrun
Thanks for the fix. As prize, I'll send you some snow. ;)
(Just had 2nd snowfall here in Longmont, CO.)
Maurice
On Thursday, November 11, 2010 at 10:21:57 (-0800) Alan W. Irwin writes:
Hi Maurice:
I thought you would be amused by revision 11326.
When searching all our source files
Hi Alan,
I'm somewhat in the dark about xwin focus issues. I recall Tk goes to some
trouble to do the right thing about it, and maybe that's the problem here.
The demo was originally envisioned as testing ground for more arcane scenarios
involving the Tk driver; I'm a little amused/surprised it
In order to run TK code that uses plplot extensions, you need an extended wish
that knows about these extra commands. That's what plserver is for (it also
has some IPC for handling requests from the plplot TK driver which is why it's
not simply called plwish.. too bad, that would've been more
On Wednesday, May 12, 2010 at 20:18:40 (+0100) Andrew Ross writes:
On Tue, May 11, 2010 at 11:55:29PM -0500, Maurice LeBrun wrote:
I agree, xor mode sucks big time (due to the line occasionally becoming
invisible).
On a recent project, I implemented a plot overlay capability
. As well as a demo. One can
dream.. anyway maybe some food for thought.
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Plplot-devel@lists.sourceforge.net
https
plserver for plotting (you can change
@plserver_LOCATION@ to be just . and run from the directory plserver is
sitting in). Click on the Open new button to open a 2nd plframe. Then
close it with the goaway button. Only that window, and not the first, should
shut down.
--
Maurice LeBrun
On Monday, April 19, 2010 at 22:35:33 (-0700) Alan W. Irwin writes:
On 2010-04-19 22:21-0500 Maurice LeBrun wrote:
[...]
Note, people doing polar plots (shades or contours) have to similarly
massage
their data before passing it to plplot in order to pick up the continuity
a leaner and more easily maintained API. This is illustrated
(rather quietly) in the final (polar) plot of example 16, where the angle
coordinate value runs from 0 to 2pi inclusive -- providing a duplicated data
point to enforce continuity.
--
Maurice LeBrun
into a memory buffer, at the end of the call chain some i/o will
be performed. That should dwarf the function call overhead.
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Try the new software tools for yourself
to upgrade all array-handling functions
in like fashion but so far I think it's only been done for the plshadexx
family.
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On Wednesday, January 6, 2010 at 22:43:44 (-0800) David MacMahon writes:
On Jan 6, 2010, at 17:14 , Maurice LeBrun wrote:
Some centuries ago I did endow the contourer with the function
evaluator
technique to deal with the issue of C vs Fortran vs whatever array
storage
it's not a linear plotting paradigm. A GUI responds to
user input to and displays plots based on that, no pressing return needed for
anything. Unless I'm misunderstanding what's being proposed, I don't think
anything about hitting return should be in the default window title.
--
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(lbproject.sf.net).
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,
etc) caused the problem to begin with. Or, you may get away with lots of
these sorts of events if they're innocuous enough. In which case you've got
to ask yourself one question: Do I feel lucky? ;)
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Project
(lbproject.sf.net).
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to fade
to background at some point must necessarily change.
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integers in the 0-100 range for simplicity. It should
really be floating point however. And TK scale widgets apparently support
that now so in principle the TK support could be made compatible with the new
format file.
--
Maurice LeBrun
I agree the HAVE_* macros are a problem wrt the global namespace. Some of the
example programs use them, however, which needs to be taken into account. I
like the idea of just making them more plplot-specific (as has been done for
PL_HAVE_USLEEP).
--
Maurice LeBrun
unchanged and only affects the tk code, so I am happy to
commit this ahead of the release and to re-enable HAVE_PTHREAD by default.
Sounds good.
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on
this.
What I do for a different project is call the non-released code master (or
head) and then the version number parser checks for that special string
first before assuming it's a released version doing the numeric parsing.
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Maurice LeBrun
/* Partially initialize X driver. */
pllib_init();
plsdev(xwin);
pllib_devinit();
plP_esc(PLESC_DEVINIT, NULL);
above the call to Tk_CreateWindowFromPath().
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for a couple years at least. So the legacy png driver will remain very
useful to me my team for some time to come.
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this thread and was about to say
something about this point but you fixed it before I could. :) Having gone
through the painful exercise of adding new driver calls several times in the
past, I can definitively say it's best avoided through using the escape
function if possible.
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quantities
of sub-pixel-resolution (therefore redundant) plot elements.
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and that did the trick.
So, I reckon the Tcl examples now all give a perfect match
(at least with Tcl 8.5), only example 19 is still missing.
Great to hear.
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On Friday, October 10, 2008 at 09:10:59 (-0400) Hezekiah M. Carty writes:
On Fri, Oct 10, 2008 at 12:09 AM, Maurice LeBrun [EMAIL PROTECTED] wrote:
What do you think of this as a compromise? Nothing has to be
propagated to other language bindings, and the plgvpw functionality
notice.
As a user, I'm in category (3), and don't *really* care either way. But be
aware you are introducing a change that has the potential to change existing
code behavior.
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On Thursday, October 9, 2008 at 23:42:11 (-0500) Maurice LeBrun writes:
On Saturday, October 4, 2008 at 16:46:53 (-0700) Alan W. Irwin writes:
On 2008-10-04 14:04-0700 Alan W. Irwin wrote:
Hi Maurice:
I have just committed my first attempt (see src/README.pages
Interestingly, the following article on SVG editors just appeared on
linuxtoday.com today.
http://www.linux.com/feature/148630
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const char *foo = bar;
(or later reassignment) is perfectly legit.
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On Thursday, August 14, 2008 at 10:18:32 (-0700) Alan W. Irwin writes:
On 2008-08-14 09:58-0500 Maurice LeBrun wrote:
For C C++, a const pointer means the memory it points to cannot be
altered.
The pointer can. So for example
const char *foo = bar;
(or later
://lists.sourceforge.net/lists/listinfo/plplot-devel
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Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse012070mrt/direct/01
, and
is actively maintained. That makes it a success in my book, compared to all
the open source projects that eventually wither and die. So, cheers on our
success.
The rest is up to us all.
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since you could add as many convenient definitions as you wished. I've
almost done this on several occasions. But resisted the temptation since
I thought the generic solution was a better way to go, when practical.
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^^
-lcsirocsa -L/usr/lib -lfreetype
...
Anyone with similar experience / know how to fix this?
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On Friday, March 21, 2008 at 18:10:59 (-0700) Alan W. Irwin writes:
On 2008-03-21 19:04-0500 Maurice LeBrun wrote:
-L/usr/lib -lSM -lICE -L/usr/lib -lX11 -L/usr/lib -lXext -l/usr/lib/libm.so
^^
-lcsirocsa -L/usr
of housecleaning, starting with chopping out the custom
colormap support that was never really used anyway.
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Defy all challenges. Microsoft(R) Visual Studio
. Is
it not compatible with tcl 8.5 because that version of Tcl uses its own OO
approach or is OO not going to be available at all for the Tcl future unless
somebody starts actively supporting itcl?
I'll take a look but it might not be this week.
--
Maurice LeBrun
the graphics antialiasing causes the 3D figure to be translucent,
but I am happy with that side effect since I think it looks cool.
Nice.
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Still grepping
calls for setting color
values, maybe take the existing ones and add on a x (for extended), that
allowed the user to specify RGB + translucency. Any other attributes needed?
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change, and who knows what will be
important again in a few years.
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Still grepping through log files to find problems? Stop.
Now Search log events
some fun and
make it more general. The shear problem showed up right away, and having
(over) filled my capacity for fun projects at the time :), I left it at that.
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to store the UCS-4 representation.
I understand if you append a new element (UCS-4 in this case) to
PLGraphicsIn, that does not constitute a backwards-incompatible change to
the API.
Agreed.
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PLplot is mentioned too.
http://dot.kde.org/1172083974/
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minds think alike:
$ grep UNDEF include/plplotP.h
#define PL_UNDEFINED -999
:)
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Alan W. Irwin writes:
On 2007-01-09 06:27-0600 Maurice LeBrun wrote:
I'm trying my
first cmake build (ok feel free to rag on me for being such a laggard :),
and
those two were inexplicably not detected in my usual prefix area that
contains all my tcl/tk/itcl/itk builds.
Try
builds.
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Andrew Ross writes:
Are there any debian / ubuntu developers out there who would be willing
to take over maintainance of the debian packages, with our help?
Might be a good idea to send this query out on plplot-general to reach a
broader audience.
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