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The PSU in my computer failed and, in the process, cooked my motherboard
and some other bits and pieces. It's taken a few weeks to order the
replacement parts and get it up and running again. This has resulted in
a rather longer delay since the last known bugs list that I had
intended.
KNOWN BUGS
Blob problem
(blob surface develops holes when "radius" is very small)
http://news.povray.org/3b99052c@news.povray.org
Blob : Toward a solution
(The scene, when rendered, shows two polygonal holes in the blob)
http://news.povray.org/3B991C90.D715B7A3@free.fr
Superellipsoid epsilon to big ?
(strange dark patches occur on a superellipsoid when the east-west-
exponent is set very small)
http://news.povray.org/3b992a81@news.povray.org
Additional (?) blob bug
(blob component disappears when radius is 317 or greater)
http://news.povray.org/Xns9115B92CF7D8ACQ@204.213.191.226
(also reported as: Blob rendering error (job000136))
http://news.povray.org/Xns91203DC7F3CCQ@204.213.191.226
hf_gray_16 + png creates wrong output image (job000173)
(global_settings {hf_gray_16} causes "Cannot open output file")
http://news.povray.org/3BA3BAE6.4671C0BB@free.fr
Small window title bug
(Title switches back to "POV-Ray for Windows" after minimize or
restore.)
http://news.povray.org/3ba92966$1@news.povray.org
Bug in texture_map (job000183)
(after shortening a too long blend map, POV-Ray crashes in the next
render)
http://news.povray.org/3ba9f8e9$1@news.povray.org
Rendering animation (MS Windows) (job000178)
(Message that indicates the frame to be render is displayed AFTER the
rendering.)
http://news.povray.org/3BAC1D0C.74A4A503@free.fr
sin(X)^sin(X) -> crash! (job000179 and job000180)
http://news.povray.org/3baf7992@news.povray.org
Spline bug (job000182)
(The spline path is all wrong when certain time values are used.)
http://news.povray.org/3bb41dc8@news.povray.org
Strange spline problem (job000181)
(Changes from render to render. Control points are sometimes missing.)
http://news.povray.org/Xns9136AC2E64F60seed7@povray.org
Highlight bug (job000137)
(highlights are sometimes visible where they should be in shadow)
http://news.povray.org/3bb4cf08@news.povray.org
Macro bug (job000146)
(POV can dereference a deallocated pointer if you return a local from a
macro.)
http://news.povray.org/3BB4ED11.8EC69CEC@hotmail.com
Number of parameters in functions (job000174)
(?is this the same as "function re-declaration crash"?)
http://news.povray.org/kc3hqtkgj93f82rpkj6puvlj8f5cs7nk0q@4ax.com
Bug with intersection stack (with crash)(job000175)
http://news.povray.org/5f13rtc0v0rso4fk7lut5e0980qa9g756b@4ax.com
Radiosity sampling, with fix method (job000177)
(radiosity sample counter is reset to the start every time, sampling
artefacts are produced)
http://news.povray.org/3BC5A13E.9C022BD6@reading.ac.uk
Slow rendering when using +ua and antialiasing method 1
(No details available)
http://news.povray.org/3bbf6347@news.povray.org
Delayed syntax checking
(declare without the "#" can cause a much later line to fail to parse)
http://news.povray.org/AM3LOAABMO27EwFh@econym.demon.co.uk
[bug] orthographic camera bug?
(objects sometimes disappear when the orthographic camera is used)
http://news.povray.org/3bdca5eb@news.povray.org
Status line bug
(status line keeps saying "Parsing..." instead of telling me what the
error was)
http://news.povray.org/3bde062f@news.povray.org
WinPov crash with too many max_gradient warnings
(previously reported as: "[Bug] Output of too many evaluations cause
strange behavior", but it didn't actually crash beta 4 or beta 5)
http://news.povray.org/3BE026F0.B59858FA@gmx.de
Bug: dispersion_samples affects photon brightness
http://news.povray.org/MPG.1631c5fca936293298969e@news.povray.org
Jpeg and memory problem during animations
(It seems that some memory is not properly released between frames when
a jpeg file is used)
http://news.povray.org/3be2ef0d@news.povray.org
Bug with blobs and media
(possibly related to blob surface develops holes when "radius" is very
small)
http://news.povray.org/3be5f0b2@news.povray.org
Render Window Bug
(Render window pops up when application minimised, after which the
application doesn't open when clicked on the task bar.)
http://news.povray.org/3bde157e@news.povray.org
Another strange photon behavior
(a: bright colored caustics. b: holes/circular black spots)
http://news.povray.org/MPG.16510f3e44067d3f9896ae@news.povray.org
panoramic projection bug?
(When "angle" keyword within camera statement appears after "panoramic"
keyword then looks like ignored.)
http://news.povray.org/avnfut8fof5ualgf8hnrtpl1knlg8828sp@4ax.com
Alpha problems: text is not antialiased
(black objects are not antialiased on Unix and Windows versions, alpha
is not correctly output on Mac)
http://news.povray.org/3bea5a84$1@news.povray.org
Black outline in smooth meshes
(The outline of smooth meshes exhibit black dots or areas (which go away
with double_illuminate))
http://news.povray.org/
BUGS REPORTED FIXED IN BETA 7
Crash when stopping in the first line (job000162 and job000168)
http://news.povray.org/1103_1002737295@iq
(Also reported as: Radiosity crash when user stops render during
pretrace.)
http://news.povray.org/3bb4605d$1@news.povray.org
Stop during mosaic: crash
http://news.povray.org/Xns9126925CDC108seed7@povray.org
Photon problems
http://news.povray.org/3bc4d0a9$1@news.povray.org
Isosurface - contained_by
http://news.povray.org/3bc6ffd9@news.povray.org
BUGS THAT HAVE GONE AWAY IN BETA 7 WITHOUT BEING REPORTED FIXED
Sphere_sweep plus radiosity bug (job000176)
(Colored sphere_sweeps lead to bad radiosity.)
http://news.povray.org/3b9670b2@news.povray.org
BUGS REPORTED FIXED IN NEXT BETA
marble + turbulence bug
(marble turbulence now looks very different)
http://news.povray.org/Xns914AC563F6C36seed7@povray.org
function re-declaration crash
(Intel compilation only: previously reported as "loop bug" for beta 5)
(also causes crackle2.pov and crackle3.pov to crash under the Intel
compile)
http://news.povray.org/3bdfcdf7@news.povray.org
Possibly fixed in next beta
Isosurfaces *much* slower in beta 7?
(isosurfaces with "evaluate" are now very slow)
http://news.povray.org/3bdf24b3$1@news.povray.org
rand.inc VRand_In_Sphere flaw
(VRand_In_Sphere doesn't give uniform distribution)
http://news.povray.org/3bc64790$1@news.povray.org
Are '&' and '|' swiched?
(when used in a function operating on numbers they have the opposite
effect)
http://news.povray.org/Xns9128A184570B3seed7@povray.org
function(a){a<=0} returns the wrong value when a=0
http://news.povray.org/Xns9128A519E6F15seed7@povray.org
When outputting to PNG, the wrong gamma correction value is written
http://news.povray.org/3be12811@news.povray.org
agate pattern broken
(different results with intel and msvc compile)
http://news.povray.org/3BE46299.421893B7@gmx.de
Bug with declaration with no dimensions
http://news.povray.org/scpitt851apfq5r6qtsoi1vpupt77g829s@4ax.com
--
Mike Williams
Gentleman of Leisure
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in news:cf6goDAbg0+7Ew### [at] econym demoncouk Mike Williams wrote:
> KNOWN BUGS
>
Here's one more for the list:
Subject: User_Abort_Command
From: ingo <ing### [at] homenl>
Date: 17 Oct 2001 09:40:28 -0400
Message-ID: <Xns### [at] povrayorg>
Xref: news.povray.org povray.beta-test:2012
http://news.povray.org/Xns913D9F7268736seed7@povray.org
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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Here are the job numbers for some of these bugs:
> Blob problem
> (blob surface develops holes when "radius" is very small)
> http://news.povray.org/3b99052c@news.povray.org
job000189
> Blob : Toward a solution
> (The scene, when rendered, shows two polygonal holes in the blob)
> http://news.povray.org/3B991C90.D715B7A3@free.fr
Same as job000189 (see above)
> Superellipsoid epsilon to big ?
> (strange dark patches occur on a superellipsoid when the east-west-
> exponent is set very small)
> http://news.povray.org/3b992a81@news.povray.org
job000190
> Slow rendering when using +ua and antialiasing method 1
> (No details available)
> http://news.povray.org/3bbf6347@news.povray.org
job000191
> Delayed syntax checking
> (declare without the "#" can cause a much later line to fail to parse)
> http://news.povray.org/AM3LOAABMO27EwFh@econym.demon.co.uk
job000192
BTW, see note by Nathan in this thread! The declare without # is actually
legal, but the parser still has a problem somewhere. Maybe title it "Parser
will ignore the first token following old-style declares without a #." or
something along those lines...
> [bug] orthographic camera bug?
> (objects sometimes disappear when the orthographic camera is used)
> http://news.povray.org/3bdca5eb@news.povray.org
Could someone first verify that this is actually a problem and not just a
user misunderstanding the orthographic camera?
> Status line bug
> (status line keeps saying "Parsing..." instead of telling me what the
> error was)
> http://news.povray.org/3bde062f@news.povray.org
Move to BUGS REPORTED FIXED IN NEXT BETA
> WinPov crash with too many max_gradient warnings
> (previously reported as: "[Bug] Output of too many evaluations cause
> strange behavior", but it didn't actually crash beta 4 or beta 5)
> http://news.povray.org/3BE026F0.B59858FA@gmx.de
Move to BUGS REPORTED FIXED IN NEXT BETA
> Bug: dispersion_samples affects photon brightness
> http://news.povray.org/MPG.1631c5fca936293298969e@news.povray.org
job000193
> Jpeg and memory problem during animations
> (It seems that some memory is not properly released between frames when
> a jpeg file is used)
> http://news.povray.org/3be2ef0d@news.povray.org
job000194
> Bug with blobs and media
> (possibly related to blob surface develops holes when "radius" is very
> small)
> http://news.povray.org/3be5f0b2@news.povray.org
Can anybody confirm this one?
> Another strange photon behavior
> (a: bright colored caustics. b: holes/circular black spots)
> http://news.povray.org/MPG.16510f3e44067d3f9896ae@news.povray.org
job000195
> panoramic projection bug?
> (When "angle" keyword within camera statement appears after "panoramic"
> keyword then looks like ignored.)
> http://news.povray.org/avnfut8fof5ualgf8hnrtpl1knlg8828sp@4ax.com
job000196
> Alpha problems: text is not antialiased
> (black objects are not antialiased on Unix and Windows versions, alpha
> is not correctly output on Mac)
> http://news.povray.org/3bea5a84$1@news.povray.org
job000187
> Black outline in smooth meshes
> (The outline of smooth meshes exhibit black dots or areas (which go away
> with double_illuminate))
> http://news.povray.org/
Where is the post?
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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I have to bring this one up again:
Camera is off by half a pixel
http://news.povray.org/3bccc696@news.povray.org
It was confirmed by several people, and I even told you exactly how to fix
it, but I haven't seen any resolution yet.
Anders
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"Anders K." wrote:
> Camera is off by half a pixel
Not to start a flame war or anything but does it really matter ?
--
Ken Tyler
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Thorsten Froehlich wrote:
>
> > [bug] orthographic camera bug?
> > (objects sometimes disappear when the orthographic camera is used)
> > http://news.povray.org/3bdca5eb@news.povray.org
>
> Could someone first verify that this is actually a problem and not just a
> user misunderstanding the orthographic camera?
It's a problem. Objects disappear when close to camera and objects
not in the frame affect visibility of other objects.
_____________
Kari Kivisalo
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> > Camera is off by half a pixel
>
> Not to start a flame war or anything but does it really matter ?
Yes. At least me and John VanSickle have been annoyed by it. It's a problem,
for example, when you try to make a box that fits exactly within the
camera's view. Go to Insert > Scene templates > Orthographic scene, which
attempts to do exactly that. Add background { red 1 } or something to make
the background visible, and render the scene with antialiasing on. You'll
see a thin red line down the left and bottom of the image. (If you don't add
the red background there will be a thin black line instead, which is less
noticable in the render window but still a problem.)
Anders
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On Wed, 21 Nov 2001 06:22:19 +0000, Mike Williams <mik### [at] nospamplease> wrote:
Perhaps your missed discussions about old bugreports
http://news.povray.org/u12outsm2kso3k5ef4lp26ogm5cvsm46ge@4ax.com
http://news.povray.org/3BEBEB4C.CA854309@pacbell.net
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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On Wed, 21 Nov 2001 11:14:38 +0100, Thorsten Froehlich wrote:
>> Black outline in smooth meshes
>> (The outline of smooth meshes exhibit black dots or areas (which go away
>> with double_illuminate))
>> http://news.povray.org/
>
> Where is the post?
From: "Gilles Tran" <tra### [at] inapginrafr>
Newsgroups: povray.beta-test
Subject: Black outline in smooth meshes
Date: Sat, 17 Nov 2001 15:52:51 +0100
Message-ID: <3bf6794e$1@news.povray.org>
Xref: news.povray.org povray.beta-test:2844
--
#local R=<7084844682857967,0787982,826975826580>;#macro L(P)concat(#while(P)chr(
mod(P,100)),#local P=P/100;#end"")#end background{rgb 1}text{ttf L(R.x)L(R.y)0,0
translate<-.8,0,-1>}text{ttf L(R.x)L(R.z)0,0translate<-1.6,-.75,-1>}sphere{z/9e3
4/26/2001finish{reflection 1}}//ron.parker@povray.org My opinions, nobody else's
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Wasn't it Thorsten Froehlich who wrote:
>> Black outline in smooth meshes
>> (The outline of smooth meshes exhibit black dots or areas (which go away
>> with double_illuminate))
>> http://news.povray.org/
>
>Where is the post?
Oops.
http://news.povray.org/3bf6794e$1@news.povray.org
--
Mike Williams
Gentleman of Leisure
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