Class ptviewer

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----java.applet.Applet
                                   |
                                   +----ptviewer

public class ptviewer

extends Applet

implements Runnable

dirty

Indicates whether image needs to be rerendered at next repaint() call.

hfov

Current horizontal field of view

hfov_max

minimum horizontal field of view

hfov_min

maximum horizontal field of view

pitch

tilt angle

pitch_max

maximum tilt angle

pitch_min

minimum tilt angle

vheight

Dimension of viewer window

vwidth

Dimension of viewer window

yaw

Current Pan Angle

yaw_max

maximum pan angle

yaw_min

minimum pan angle

ptviewer()

bil(int, int, int, int, int, int)

destroy()

DrawHSImage(int)

Draw hotspot image

DrawSHSImage(int)

Draw static hotspot image

DrawWarpedImage(Image, int, int)

Insert image into panorama

DrawWarpedImage(int[], int, int, int)

Insert image into panorama This method is slightly faster than the one using Images

fov()

Return current field of view angle

get_x()

The current horizontal and relative mouse coordinates in the panoramic image.

get_y()

The current vertical and relative mouse coordinates in the panoramic image.

getAppletInfo()

getAutoPan()

Returns true if autopanning, or ongoing moveTo() or moveFromTo() processes.

getPanoNumber()

The list number of the current panoramic image

gotoHS(int)

Jump to the url-link specified in a hotspot

gotoView(double, double, double)

Jump to specific position

hideHS()

Hide Hotspot Images

HideHSImage(int)

Hide hotspot image

HideSHSImage(int)

Hide static hotspot image

init()

isVisibleHS()

Are Hotspot Images visible?

keyDown(Event, int)

loadImage(String)

Load an image with name name.

mouseDown(Event, int, int)

mouseDrag(Event, int, int)

mouseEnter(Event, int, int)

mouseExit(Event, int, int)

mouseMove(Event, int, int)

mouseUp(Event, int, int)

moveFromTo(double, double, double, double, double, double, int)

Moves from a specific position to another position using a specified amount of frames

moveTo(double, double, double, int)

Moves from the current position to another position using a specified amount of frames

myGetParameter(String, String)

Read parameter values from a list of parameter tags.

newPanoFromList(int)

Load a new panoramic image from a list.

newPanoFromList(int, double, double, double)

Load a new panoramic image from a list.

paint(Graphics)

pan()

Return current pan angle

panDown()

Tilt down 5 degrees

panLeft()

Pan left 5 degrees

panRight()

Pan right 5 degrees

panUp()

Tilt up 5 degrees

PlaySound(int)

Playback Sound file

run()

Run threads to load and display the panoramic images and run ptviewer:commands.

showHS()

Show Hotspot Images

start()

startApplet(int)

Start Applet from list of applets

startAutoPan(double, double, double)

Starts autopanning.

startCommunicating(Applet)

Specify an applet to communicate with.

stop()

stopApplet(int)

Stop Applet from list of applets

stopAutoPan()

Stops autopanning.

stopCommunicating(Applet)

Stop communicationg with applet.

tilt()

Return current tilt angle

toggleHS()

Toggle Visibility of Hotspot Images

ToggleHSImage(int)

Toggle visibility of hotspot image

ToggleSHSImage(int)

Toggle visibility of static hotspot image

update(Graphics)

waitWhilePanning()

Wait while autopanning

ZoomIn()

Zoom in 3%

ZoomOut()

Zoom out 3%

 public int vwidth

Dimension of viewer window

 public int vheight

Dimension of viewer window

 public boolean dirty

Indicates whether image needs to be rerendered at next repaint() call.

 public double yaw

Current Pan Angle

 public double hfov

Current horizontal field of view

 public double hfov_min

maximum horizontal field of view

 public double hfov_max

minimum horizontal field of view

 public double pitch

tilt angle

 public double pitch_max

maximum tilt angle

 public double pitch_min

minimum tilt angle

 public double yaw_max

maximum pan angle

 public double yaw_min

minimum pan angle

 public ptviewer()

 public void init()

Overrides:

init in class Applet

 public String getAppletInfo()

Overrides:

getAppletInfo in class Applet

 public void start()

Overrides:

start in class Applet

 public synchronized void stop()

Overrides:

stop in class Applet

 public synchronized void destroy()

Overrides:

destroy in class Applet

 public void run()

Run threads to load and display the panoramic images and run ptviewer:commands.

 public Image loadImage(String name)

Load an image with name name. This method extends the default getImage() of Java, and searches the Resources (archive) also. The image is loaded in memory when the function returns, or null is returned.

 public boolean mouseDown(Event evt,
                          int x,
                          int y)

Overrides:

mouseDown in class Component

 public boolean mouseDrag(Event evt,
                          int x,
                          int y)

Overrides:

mouseDrag in class Component

 public boolean mouseUp(Event evt,
                        int x,
                        int y)

Overrides:

mouseUp in class Component

 public boolean mouseEnter(Event evt,
                           int x,
                           int y)

Overrides:

mouseEnter in class Component

 public boolean mouseExit(Event evt,
                          int x,
                          int y)

Overrides:

mouseExit in class Component

 public boolean keyDown(Event evt,
                        int key)

Overrides:

keyDown in class Component

 public boolean mouseMove(Event evt,
                          int x,
                          int y)

Overrides:

mouseMove in class Component

 public void update(Graphics g)

Overrides:

update in class Container

 public synchronized void paint(Graphics g)

Overrides:

paint in class Container

 public int bil(int p00,
                int p01,
                int p10,
                int p11,
                int dx,
                int dy)

 public void waitWhilePanning()

Wait while autopanning

 public void ZoomIn()

Zoom in 3%

 public void ZoomOut()

Zoom out 3%

 public void panUp()

Tilt up 5 degrees

 public void panDown()

Tilt down 5 degrees

 public void panLeft()

Pan left 5 degrees

 public void panRight()

Pan right 5 degrees

 public void showHS()

Show Hotspot Images

 public void hideHS()

Hide Hotspot Images

 public void toggleHS()

Toggle Visibility of Hotspot Images

 public boolean isVisibleHS()

Are Hotspot Images visible?

 public double pan()

Return current pan angle

 public double tilt()

Return current tilt angle

 public double fov()

Return current field of view angle

 public void moveFromTo(double p0,
                        double p1,
                        double t0,
                        double t1,
                        double f0,
                        double f1,
                        int nframes)

Moves from a specific position to another position using a specified amount of frames

Parameters:

p0 - Pan angle of starting view

p1 - Pan angle of target view

t0 - Tilt angle of starting view

t1 - Tilt angle of target view

f0 - Field of View angle of starting view

f1 - Field of View of target view

nframes - the number of frames

 public void moveTo(double pan,
                    double tilt,
                    double fov,
                    int nframes)

Moves from the current position to another position using a specified amount of frames

Parameters:

pan - Pan angle of target view

tilt - Tilt angle of target view

fov - Field of View of target view

nframes - the number of frames

 public void startAutoPan(double p,
                          double t,
                          double z)

Starts autopanning.

Parameters:

p - Pan angle increment per frame

t - Tilt angle increment per frame

z - Field of View angle factor per frame

 public void stopAutoPan()

Stops autopanning. Also stops ongoing moveTo() or moveFromTo() processes.

 public boolean getAutoPan()

Returns true if autopanning, or ongoing moveTo() or moveFromTo() processes.

 public void gotoView(double pan,
                      double tilt,
                      double fov)

Jump to specific position

Parameters:

pan - Pan angle

tilt - Tilt angle

fov - Field of View angle

 public void gotoHS(int n)

Jump to the url-link specified in a hotspot

Parameters:

n - The list number of the hotspot

 public synchronized void newPanoFromList(int k,
                                          double pan,
                                          double tilt,
                                          double fov)

Load a new panoramic image from a list.

Parameters:

k - The list number of the panorama

pan - Pan angle

tilt - Tilt angle

fov - Field of view angle

 public synchronized void newPanoFromList(int k)

Load a new panoramic image from a list.

Parameters:

k - The list number of the panorama

 public void startApplet(int n)

Start Applet from list of applets

Parameters:

n - The list number

 public void stopApplet(int n)

Stop Applet from list of applets

Parameters:

n - The list number

 public String myGetParameter(String p,
                              String param)

Read parameter values from a list of parameter tags. The list has the syntax

{param1=value1} {param2=value2} {param3=value3}

Parameters:

p - The list string.

param - The parameter name.

 public synchronized void PlaySound(int n)

Playback Sound file

Parameters:

n - The list number of the Sound file

 public synchronized void DrawSHSImage(int n)

Draw static hotspot image

Parameters:

n - The list number of the static hotspot

 public synchronized void HideSHSImage(int n)

Hide static hotspot image

Parameters:

n - The list number of the static hotspot

 public synchronized void ToggleSHSImage(int n)

Toggle visibility of static hotspot image

Parameters:

n - The list number of the static hotspot

 public synchronized void DrawHSImage(int n)

Draw hotspot image

Parameters:

n - The list number of the hotspot

 public synchronized void HideHSImage(int n)

Hide hotspot image

Parameters:

n - The list number of the hotspot

 public synchronized void ToggleHSImage(int n)

Toggle visibility of hotspot image

Parameters:

n - The list number of the hotspot

 public double get_x()

The current horizontal and relative mouse coordinates in the panoramic image. 0 - left, 100 - right.

 public double get_y()

The current vertical and relative mouse coordinates in the panoramic image. 0 - top, 100 - bottom.

 public int getPanoNumber()

The list number of the current panoramic image

 public void DrawWarpedImage(Image im,
                             int xi,
                             int yi)

Insert image into panorama

Parameters:

im - The image to be inserted

xi - x coordinate of top left point

yi - y coordinate of top left point

 public synchronized void DrawWarpedImage(int idata[],
                                          int w,
                                          int xi,
                                          int yi)

Insert image into panorama This method is slightly faster than the one using Images

Parameters:

idata - image pixel data to be inserted

w - width of image in pixels

xi - x coordinate of top left point

yi - y coordinate of top left point

 public synchronized void startCommunicating(Applet a)

Specify an applet to communicate with. This applet's paint() method will be called whenever the view changes.

Parameters:

a - the applet.

 public synchronized void stopCommunicating(Applet a)

Stop communicationg with applet.

Parameters:

a - the applet.