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java.lang.Objectcz.cuni.jagrlib.DefaultProperty
cz.cuni.jagrlib.Piece
cz.cuni.jagrlib.piece.StaticCamera
public class StaticCamera
Static perspective camera - ray generator.
Field Summary | |
---|---|
protected static java.lang.String |
CATEGORY
Object category. |
protected double[] |
center
Center of the projection. |
protected double[] |
front
Direction vector (normal vector of the projection plane). |
static java.lang.String |
KEY_ANGLE
JGL script key: angle. |
static java.lang.String |
KEY_CENTER
JGL script key: center. |
static java.lang.String |
KEY_FRONT
JGL script key: front. |
static java.lang.String |
KEY_UP
JGL script key: up. |
static java.lang.String |
PARAMS
|
protected double[] |
ray0
Origin of ray direction vector. |
protected double[] |
rayDx
X difference vector for ray direction. |
protected double[] |
rayDy
Y difference vector for ray direction. |
static RegPiece |
reg
Static registration instance for this class. |
protected double[] |
right
Vector which points to the right in the projection plane. |
protected java.lang.String |
scriptName
JGL script file-name. |
protected static java.lang.String |
TEMPLATE_NAME
Object template identifier. |
protected double[] |
up
Vector which points up in the projection plane. |
protected double |
xMax
Horizontal projection-plane bounds (from left to right). |
protected double |
xMin
Horizontal projection-plane bounds (from left to right). |
protected double |
yMax
Vertical projection-plane bounds (from up to bottom). |
protected double |
yMin
Vertical projection-plane bounds (from up to bottom). |
Fields inherited from class cz.cuni.jagrlib.Piece |
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channels, info, pl, plugs, TEMPLATE_TYPE, userBreak |
Fields inherited from interface cz.cuni.jagrlib.iface.Property |
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LOGGING, STATISTICS, TEXT_DESCRIPTION |
Constructor Summary | |
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StaticCamera()
|
Method Summary | |
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java.lang.Object |
get(java.lang.String key)
Gets the given property. |
boolean |
getRay(double x,
double y,
double[] P0,
double[] P1)
Ray-generator method. |
boolean |
getRay(double x,
double y,
int order,
int total,
double[] P0,
double[] P1)
Ray-generator method. |
double[] |
getViewport(double[] pre)
Returns boundary values for projection-plane coordinates (ray-coordinates). |
protected void |
readScript()
Read data from JGL script. |
void |
set(java.lang.String key,
java.lang.Object value)
Sets the given property. |
void |
setAspectRatio(double aspect)
Sets aspect ratio of the target image. |
boolean |
setParams(double[] cnt,
double[] fr,
double[] u,
double angle)
Set camera parameters. |
static int |
setTemplate(Template t,
int ord)
General-purpose registration routine. |
Methods inherited from class cz.cuni.jagrlib.Piece |
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className, connect, findPlug, findPlug, getInfo, getInterface, getInterface, getPlug, getReg, init, isCompatible, isCompatible, isConnected, logError, logWarning, myInterface, newInputPlug, newOptOutputPlug, newOutputPlug, newPlug, noTemplates, propBegin, propBounds, propDefault, propEnd, propEnum, propManipulator, propManipulator, setProgressListener, setRegStrings, setTemplateDynamic, stop |
Methods inherited from class cz.cuni.jagrlib.DefaultProperty |
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booleanProperty, booleanProperty, colorDoubleProperty, colorProperty, commit, doubleProperty, doubleProperty, doubleProperty, enumProperty, floatProperty, floatProperty, floatProperty, intProperty, intProperty, intProperty, longProperty, longProperty, longProperty, set, stringProperty |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface cz.cuni.jagrlib.iface.Property |
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commit |
Field Detail |
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public static final java.lang.String KEY_CENTER
public static final java.lang.String KEY_FRONT
public static final java.lang.String KEY_UP
public static final java.lang.String KEY_ANGLE
protected java.lang.String scriptName
protected double[] center
protected double[] front
protected double[] up
protected double[] right
protected double[] ray0
protected double[] rayDx
protected double[] rayDy
protected double xMin
protected double xMax
protected double yMin
protected double yMax
public static final java.lang.String PARAMS
protected static final java.lang.String TEMPLATE_NAME
protected static final java.lang.String CATEGORY
public static final RegPiece reg
Constructor Detail |
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public StaticCamera()
Method Detail |
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public boolean setParams(double[] cnt, double[] fr, double[] u, double angle)
cnt
- Center of the projection (null
for [0,0,0]
).fr
- Viewing direction (associated with the center of projection plane).u
- Up vector (which will point up in the projection plane).angle
- Horizontal viewing angle in degrees.
true
if parameters were successfully set.protected void readScript()
public void setAspectRatio(double aspect)
setAspectRatio
in interface RayGenerator
aspect
- Aspect ratio = width / height. Uses real coordinates.public double[] getViewport(double[] pre)
getViewport
in interface RayGenerator
pre
- Pre-allocated array to hold results (double[4]
array). Can be
null
.
result[0]
.. Xmin,
result[1]
.. Xmax,
result[2]
.. Ymin,
result[3]
.. Ymax.getRay(double, double, double[], double[])
public boolean getRay(double x, double y, double[] P0, double[] P1)
getRay
in interface RayGenerator
x
- X coordinate in the projection plane.y
- Y coordinate in the projection plane.P0
- Pre-allocated double[3]
(or double[4]
) array to hold
coordinates of the ray origin.P1
- Pre-allocated double[3]
(or double[4]
) array to hold
direction vector of the ray.
true
if the ray was successfully generated.public boolean getRay(double x, double y, int order, int total, double[] P0, double[] P1)
getRay
in interface RayGenerator
x
- X coordinate in the projection plane.y
- Y coordinate in the projection plane.order
- Order of this sample inside the actual pixel.total
- Total number of samples in the actual pixel.P0
- Pre-allocated double[3]
(or double[4]
) array to hold
coordinates of the ray origin.P1
- Pre-allocated double[3]
(or double[4]
) array to hold
direction vector of the ray.
true
if the ray was successfully generated.public void set(java.lang.String key, java.lang.Object value)
set
in interface Property
set
in class DefaultProperty
key
- Key string.value
- The new value.Property.commit()
public java.lang.Object get(java.lang.String key)
get
in interface Property
get
in class DefaultProperty
key
- Key string.
null
.public static int setTemplate(Template t, int ord)
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