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=====Geometric Primitives===== | =====Geometric Primitives===== | ||
<ol> | <ol> | ||
− | <li>{{Done}} UV mapping support has been added to cones and cylinders</li> | + | <li>{{Done}} UV mapping support has been added to cones and cylinders. [[Reference:UV Mapping#Supported Objects|See-It]]</li> |
− | <li>A new parameter <code>polarity</code> has been added to isosurfaces to choose whether function values above the threshold should indicate the inside or outside</li> | + | <li>A new parameter <code>polarity</code> has been added to isosurfaces to choose whether function values above the threshold should indicate the inside or outside. [[Reference:Isosurface|Over-Here]]</li> |
− | <li>{{Done}} A new geometric primitive <code>lemon</code> has been added</li> | + | <li>{{Done}} A new geometric primitive <code>lemon</code> has been added. [[Reference:Lemon|See-It]]</li> |
</ol> | </ol> | ||
+ | |||
=====Scene Description Language, Options and INI settings===== | =====Scene Description Language, Options and INI settings===== | ||
<ol> | <ol> |
Revision as of 18:22, 14 December 2016
3.7.1 Changes Checklist
The following is a check list of the changes that need to be documented prior to version 3.7.1 release.
New Features
Materials
- A new finish parameter
use_alpha
has been added to suppress highlights and reflections depending on pigment transparency. - A new special pigment pattern
user_defined
has been added to define the pigment color directly in terms of a set of functions. - A new pattern
potential
has been added to define a pattern based on the potential field of a blob orisosurface
object. - The
map_type
keyword now supports the Angular Map projection for light probes, popularized by Paul Devebec, astype 7
- Done Native support for repetition has been added to the
crackle
pattern to avoid the discontinuities in the pattern caused by repeat warps. - Done The torus syntax has been extended to give more control over the spindle in a self-intersecting torus
- Done Color and pigment maps now support non-linear interpolation to achieve more pleasing gradients
- Fresnel angle-dependent attenuation can now also be applied to highlights and the diffuse component for more physical realism
Geometric Primitives
- Done UV mapping support has been added to cones and cylinders. See-It
- A new parameter
polarity
has been added to isosurfaces to choose whether function values above the threshold should indicate the inside or outside. Over-Here - Done A new geometric primitive
lemon
has been added. See-It
Scene Description Language, Options and INI settings
- Done Support for variable-size arrays has been added
- Done A new data container
dictionary
has been added to support structured storage of data - Done Pseudo-dictionaries
local
andglobal
have been added, allowing to specifically access local or global identifiers respectively - Done The
max_extent
function as used to determine the size of an image map in pixels can now also be used on normal maps and density files - Done Macros up to a certain size (currently hard-coded to 65536 characters per macro) are now cached in memory, improving parsing speed of invocations especially when the macro in question is defined in a different file
- All instances of
gray
in keywords or INI file options can now alternatively be spelledgrey
. Previously this was only the case inside function definitions where it applied only to the.gray
color pseudo-component - Done A new inbuilt constant
tau
has been added - The
#declare
and#local
syntax has been extended to support tuple-style assignments. The main purpose is to allow macros to return a set of values rather than just a single one - Done The macro syntax has been extended to allow for
optional
parameters - Done The creation of a log for the
+C
render abort-continue feature can now be suppressed using-CC
to save disk space
Miscellaneous
- Done Support for the ITU-R BT.709 and BT.2020 transfer functions has been added to POV-Ray's gamma handling portfolio
- Done A new function-based user-defined camera type
user_defined
has been added - Light sources distance-based fading can now be set to obey an inverse-power law at all distances
- CIE L*a*b* conversion macros have been added to colors.inc
- A new include file colors_ral.inc has been added containing predefined colors according to the RAL Classic standard
Changed Behavior
Image Files
- By default, gamma handling of NetPBM (PPM/PGM) in and output files now follows the official NetBPM standard, which mandates gamma-encoding using the ITU-R BT.709 transfer function. As usual this can be overridden by the
gamma
input file parameter orFile_Gamma
INI setting, respectively - The Compression setting now affects more file types: Specifying
Compression=1
with file typeT
(Targa) will now generate compressed Targa (same as file typeC
), and explicitly specifyingCompression=0
with file typeP
(Netpbm PPM/PGM) will generate plain (ASCII) Netpbm rather than raw (binary) - POV-Ray will now try to auto-detect whether an input TIFF file with alpha channel uses
premultiplied
or non-premultiplied alpha mode, rather than blindly presumingpremultiplied
alpha - The interaction of
transmit all
andfilter all
with an image's alpha channel has been changed to be more intuitive: rather than adding the image's transparency to the user-specified transparency, the image's opacity is now effectively multiplied with the user-specified opacity. (requires#version 3.71
or later) - The image file format previously referred to as IFF (now more precisely referred to as IFF-ILBM) is now associated with the
.lbm
file extension in addition to the.iff
extension
Miscellaneous
- On Unix with Simple DirectMedia Layer (SDL) enabled the p key can now be used to pause and un-pause a render
- The
version
pseudo-variable will now evaluate to the effective language version at the time the expression is parsed, except when used in a#version
directive, in which case the behavior remains unchanged. The requirement to start each scene with a#version
statement is now more strongly enforced for POV-Ray 3.7 scenes. An error is reported if the scene file does not begin with a#version
directive but does have a#version 3.71
(or later) directive anywhere in the main scene file - Using
ambient
with a suspiciously high value in a non-legacy scene will now issue a warning, unlessemission
is also specified - A long-standing undocumented inconsistency in the treatment of backslashes in string literals, in which backslashes were essentially not interpreted as escape characters if the parser expected a filename, has been cleaned up. Backslashes are now treated as escape characters in all string literals. requires
#version 3.71
or later