Project Aten - Documentation

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Prefs

Table 6.19. Prefs type members

Member	Type	Access	Description
elements	element	ro	Array of element data (masses, symbols, names, etc.)
anglelabel	string	rw	The units label appended to angle measurements
atomdetail	int	rw	Quadric detail of atoms. Higher values give rounder atoms but make rendering slower
atomstyleradius	double[4]	rw	The atom radii used for selection and rendering in the four Drawing Styles
backcull	int	rw	Whether culling of backward-facing polygons should be performed
backgroundcolour	double[4]	rw	Background colour of the main canvas on which models are drawn
bonddetail	int	rw	Quadric detail of bonds. Higher values give rounder bonds but make rendering slower
bondstyleradius	double[4]	rw	The bond radii used for selection and rendering in the four Drawing Styles
bondtolerance	double	rw	Tolerance used in automatic calculation of bonds between atoms
cachelimit	int	rw	The trajectory cache size (in kilobytes) - trajectory files calculated to have more than this amount of data will not be cached in memory
calculateelec	int	rw	Controls whether electrostatic contributions to the energy/forces are calculated
calculateintra	int	rw	Controls whether intramolecular contributions to the energy/forces are calculated
calculatevdw	int	rw	Controls whether short-range Vdw contributions to the energy/forces are calculated
clipfar	double	rw	The far clipping distance used when rendering
clipnear	double	rw	The near clipping distance used when rendering
colourscheme	string	rw	The current Colour Scheme used to colour atoms and bonds
combinationrule	string	rw	Lennard-Jones parameter combination rule equations. See Combination Rules for a list of rules.
commonelements	string	rw	Comma-separated list of common elements that appear in the Select Element dialog
densityunit	string	rw	The unit of density to used when displaying cell densities
depthcue	int	rw	Enables/disables depth cueing
depthfar	int	rw	The far fog distance used when rendering (if depth cueing is enabled)
depthnear	int	rw	The near fog distance used when rendering (if depth cueing is enabled)
distancelabel	string	rw	The units label appended to distance measurements
eleccutoff	double	rw	The electrostatic cutoff distance
elecmethod	string	rw	The method of electrostatic energy/force calculation
energyunit	double	rw	Set the unit of energy to use
energyupdate	int	rw	Update frequency for the energy in various methods
ewaldalpha	double	rw	Convergence parameter in Ewald sum
ewaldkmax	int[3]	rw	Vector of Ewald reciprocal space vector limits (kmax)
ewaldprecision	double	rw	Precision parameter to use when generating parameters in EwaldAuto
forcerhombohedral	int	rw	For spacegroups that are detected to have a hexagonal basis, force packing to use generators in a rhombohedral basis
foregroundcolour	double[4]	rw	Forground pen colour of the main canvas on which models are drawn, affecting colour of text labels, rotation globe, unit cell etc.
globesize	int	rw	Size, in pixels, of the rotation globe in the lower-right-hand corner of the screen
hdistance	double	rw	Default H-X bond distance to use when adding hydrogen atoms
keyaction	string[3]	rw	Current actions of the modifier keys Shift, Ctrl, and Alt
labelsize	int	rw	Font pointsize for label text
linealiasing	int	rw	Enables/disables line aliasing
manualswapbuffers	int	rw	Flag whether manual swapping of GL buffers is enabled
maxrings	int	rw	Maximum allowable number of rings to detect within any single pattern
maxringsize	int	rw	Maximum size of ring to detect when atom typing
maxundo	int	rw	Maximum number of undo levels remembered for each model (-1 = unlimited)
modelupdate	int	rw	Update frequency for the current model in various methods
mouseaction	string[4]	rw	Current actions of the Left, Middle, Right, and Wheel mouse buttons
offscreenobjects	int	rw	Bitarray of View Objects drawn when rendering scenes to image files
perspective	int	rw	Whether perspective view is enabled
perspectivefov	double	rw	Field of vision angle to use for perspective rendering
polygonaliasing	int	rw	Enables/disables polygon aliasing
renderstyle	string	rw	The current model drawing style
replicatefold	int	rw	Whether to fold atoms before cell replicate
replicatetrim	int	rw	Whether to trim atoms after cell replicate
screenobjects	int	rw	Bitarray of View objects drawn when rendering to screen
selectionscale	double	rw	Multiple of the standard atom radius to use for transparent selection spheres
shininess	int	rw	The shininess of atoms (value must be between 0 and 127 inclusive)
specularcolour	double[4]	rw	Colour of all specular reflections
spotlight	int	rw	Whether the spotlight is on or off
spotlightambient	double[4]	rw	The ambient colour component of the spotlight
spotlightdiffuse	double[4]	rw	The diffuse colour component of the spotlight
spotlightposition	double[4]	rw	Spotlight coordinates (in Å)
spotlightspecular	double[4]	rw	The specular colour component of the spotlight
useframebuffer	int	rw	Whether to use the grabFrameBuffer() method of the main widget instead of the normal renderPixmap() method when saving bitmap images. If saving an image results in a completely black or corrupt bitmap, try setting this to TRUE.
usenicetext	int	rw	Whether QPainter (on/1/TRUE) or QGlWidget (off/0/FALSE) is used to render label text
vdwcut	double	rw	The VDW cutoff distance
vdwscale	double	rw	Scaling factor to use for short-range radii in energy/force calculation
warn1056	int	rw	Many changes to the typing language syntax were introduced in revision 1056, and a warning message was implemented. This can be turned off by setting this variable to FALSE
zoomthrottle	double	rw	Zooming 'throttle' value used to calm down or increase the distance jumped when zooming with the mouse

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