本文整理汇总了Java中com.ni.vision.VisionException类的典型用法代码示例。如果您正苦于以下问题:Java VisionException类的具体用法?Java VisionException怎么用?Java VisionException使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
VisionException类属于com.ni.vision包,在下文中一共展示了VisionException类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: openCamera
import com.ni.vision.VisionException; //导入依赖的package包/类
public synchronized void openCamera() {
if (m_id != -1)
return; // Camera is already open
for (int i = 0; i < 3; i++) {
try {
m_id =
NIVision.IMAQdxOpenCamera(m_name,
NIVision.IMAQdxCameraControlMode.CameraControlModeController);
} catch (VisionException e) {
if (i == 2)
throw e;
delay(2.0);
continue;
}
break;
}
}
示例2: initCamera
import com.ni.vision.VisionException; //导入依赖的package包/类
private void initCamera() {
try {
session = NIVision.IMAQdxOpenCamera("cam0", NIVision.IMAQdxCameraControlMode.CameraControlModeController);
NIVision.IMAQdxConfigureGrab(session);
// NIVision.IMAQdx
// create images
image = NIVision.imaqCreateImage(ImageType.IMAGE_RGB, 0);
// Put default values to SmartDashboard so fields will appear
SmartDashboard.putBoolean("use binary", false);
} catch (VisionException e) {
TurtleLogger.critical("Camera Not found");
e.printStackTrace();
}
}
示例3: setImage
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Manually change the image that is served by the MJPEG stream. This can be
* called to pass custom annotated images to the dashboard. Note that, for
* 640x480 video, this method could take between 40 and 50 milliseconds to
* complete.
*
* This shouldn't be called if {@link #startAutomaticCapture} is called.
*
* @param image The IMAQ image to show on the dashboard
*/
public void setImage(Image image) {
// handle multi-threadedness
/* Flatten the IMAQ image to a JPEG */
RawData data =
NIVision.imaqFlatten(image, NIVision.FlattenType.FLATTEN_IMAGE,
NIVision.CompressionType.COMPRESSION_JPEG, 10 * m_quality);
ByteBuffer buffer = data.getBuffer();
boolean hwClient;
synchronized (this) {
hwClient = m_hwClient;
}
/* Find the start of the JPEG data */
int index = 0;
if (hwClient) {
while (index < buffer.limit() - 1) {
if ((buffer.get(index) & 0xff) == 0xFF && (buffer.get(index + 1) & 0xff) == 0xD8)
break;
index++;
}
}
if (buffer.limit() - index - 1 <= 2) {
throw new VisionException("data size of flattened image is less than 2. Try another camera! ");
}
setImageData(data, index);
}
示例4: startAutomaticCapture
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Start automatically capturing images to send to the dashboard.
*
* You should call this method to just see a camera feed on the dashboard
* without doing any vision processing on the roboRIO. {@link #setImage}
* shouldn't be called after this is called.
*
* @param cameraName The name of the camera interface (e.g. "cam1")
*/
public void startAutomaticCapture(String cameraName) {
try {
USBCamera camera = new USBCamera(cameraName);
camera.openCamera();
startAutomaticCapture(camera);
} catch (VisionException ex) {
//DriverStation.reportError(
// "Error when starting the camera: " + cameraName + " " + ex.getMessage(), true);
}
}
示例5: capture
import com.ni.vision.VisionException; //导入依赖的package包/类
protected void capture() {
Image frame = NIVision.imaqCreateImage(NIVision.ImageType.IMAGE_RGB, 0);
while (true) {
boolean hwClient;
ByteBuffer dataBuffer = null;
synchronized (this) {
hwClient = m_hwClient;
if (hwClient) {
dataBuffer = m_imageDataPool.removeLast();
}
}
try {
if (hwClient && dataBuffer != null) {
// Reset the image buffer limit
dataBuffer.limit(dataBuffer.capacity() - 1);
m_camera[selectedCamera].getImageData(dataBuffer);
setImageData(new RawData(dataBuffer), 0);
} else {
m_camera[selectedCamera].getImage(frame);
setImage(frame);
}
} catch (VisionException ex) {
//DriverStation.reportError("Error when getting image from the camera: " + ex.getMessage(),true);
if (dataBuffer != null) {
synchronized (this) {
m_imageDataPool.addLast(dataBuffer);
Timer.delay(.1);
}
}
}
}
}
示例6: setSelectedCamera
import com.ni.vision.VisionException; //导入依赖的package包/类
public void setSelectedCamera(int id) {
if (lastSwitch + 2500 > System.currentTimeMillis())
return;
if (selectedCamera != id && id >= 0 && id < m_camera.length) {
try {
m_camera[selectedCamera].stopCapture();
m_camera[id].startCapture();
selectedCamera = id;
} catch (VisionException e) {
//DriverStation.reportError("A camera was unplugged.", true);
}
lastSwitch = System.currentTimeMillis();
}
}
示例7: setImage
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Manually change the image that is served by the MJPEG stream. This can be
* called to pass custom annotated images to the dashboard. Note that, for
* 640x480 video, this method could take between 40 and 50 milliseconds to
* complete.
*
*
*
* @param image The IMAQ image to show on the dashboard
*/
public void setImage(Image image) {
// handle multi-threadedness
/* Flatten the IMAQ image to a JPEG */
RawData data =
NIVision.imaqFlatten(image, NIVision.FlattenType.FLATTEN_IMAGE,
NIVision.CompressionType.COMPRESSION_JPEG, 10 * m_quality);
ByteBuffer buffer = data.getBuffer();
boolean hwClient;
synchronized (this) {
hwClient = m_hwClient;
}
/* Find the start of the JPEG data */
int index = 0;
if (hwClient) {
while (index < buffer.limit() - 1) {
if ((buffer.get(index) & 0xff) == 0xFF && (buffer.get(index + 1) & 0xff) == 0xD8)
break;
index++;
}
}
if (buffer.limit() - index - 1 <= 2) {
throw new VisionException("data size of flattened image is less than 2. Try another camera! ");
}
setImageData(data, index);
}
示例8: startCamera
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Start automatically capturing images to send to the dashboard.
*
* You should call this method to just see a camera feed on the dashboard
* without doing any vision processing on the roboRIO. {@link #setImage}
* shouldn't be called after this is called.
*
* @param cameraName The name of the camera interface (e.g. "cam1")
*/
private USBCamera startCamera(String cameraName) {
try {
USBCamera camera = new USBCamera(cameraName);
camera.openCamera();
//startAutomaticCapture(camera);
return camera;
} catch (VisionException ex) {
DriverStation.reportError(
"Error when starting the camera: " + cameraName + " " + ex.getMessage(), true);
}
return null;
}
示例9: capture
import com.ni.vision.VisionException; //导入依赖的package包/类
protected void capture() {
Image frame = NIVision.imaqCreateImage(NIVision.ImageType.IMAGE_RGB, 0);
while (true) {
boolean hwClient;
ByteBuffer dataBuffer = null;
synchronized (this) {
hwClient = m_hwClient;
if (hwClient) {
dataBuffer = m_imageDataPool.removeLast();
}
}
try {
if (hwClient && dataBuffer != null) {
// Reset the image buffer limit
dataBuffer.limit(dataBuffer.capacity() - 1);
m_camera.getImageData(dataBuffer);
setImageData(new RawData(dataBuffer), 0);
} else {
m_camera.getImage(frame);
setImage(frame);
}
} catch (VisionException ex) {
DriverStation.reportError("Error when getting image from the camera: " + ex.getMessage(),
true);
if (dataBuffer != null) {
synchronized (this) {
m_imageDataPool.addLast(dataBuffer);
Timer.delay(.1);
}
}
}
}
}
示例10: setImage
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Manually change the image that is served by the MJPEG stream. This can be
* called to pass custom annotated images to the dashboard. Note that, for
* 640x480 video, this method could take between 40 and 50 milliseconds to
* complete.
*
* This shouldn't be called if {@link #startAutomaticCapture} is called.
*
* @param image The IMAQ image to show on the dashboard
*/
public void setImage(Image image) {
// handle multi-threadedness
/* Flatten the IMAQ image to a JPEG */
RawData data =
NIVision.imaqFlatten(image, NIVision.FlattenType.FLATTEN_IMAGE,
NIVision.CompressionType.COMPRESSION_JPEG, 10 * m_quality);
ByteBuffer buffer = data.getBuffer();
boolean hwClient;
synchronized (this) {
hwClient = m_hwClient;
}
/* Find the start of the JPEG data */
int index = 0;
if (hwClient) {
while (index < buffer.limit() - 1) {
if ((buffer.get(index) & 0xff) == 0xFF && (buffer.get(index + 1) & 0xff) == 0xD8)
break;
index++;
}
}
if (buffer.limit() - index - 1 <= 2) {
throw new VisionException("data size of flattened image is less than 2. Try another camera! ");
}
setImageData(data, index);
}
示例11: startAutomaticCapture
import com.ni.vision.VisionException; //导入依赖的package包/类
/**
* Start automatically capturing images to send to the dashboard.
*
* You should call this method to just see a camera feed on the dashboard
* without doing any vision processing on the roboRIO. {@link #setImage}
* shouldn't be called after this is called.
*
* @param cameraName The name of the camera interface (e.g. "cam1")
*/
public void startAutomaticCapture(String cameraName) {
try {
USBCamera camera = new USBCamera(cameraName);
camera.openCamera();
startAutomaticCapture(camera);
} catch (VisionException ex) {
DriverStation.reportError(
"Error when starting the camera: " + cameraName + " " + ex.getMessage(), true);
}
}
示例12: execute
import com.ni.vision.VisionException; //导入依赖的package包/类
@Override
protected void execute() {
try{
Robot.cameraSubsystem.serveLatestFrame();
}catch(VisionException e){
SmartDashboard.putString("Vision Error", e.getMessage()+e.getStackTrace());
}
String selectionString = (String)cameraChooser.getSelected();
boolean selection = false;
if (selectionString=="cam2"){
selection = true;
}
/*if (selection!=Robot.cameraSubsystem.getInitilizedCamera()){
Robot.cameraSubsystem.selectCamera(selection);
Robot.cameraSubsystem.serveLatestFrame();
}*/
if(Robot.oi.joystick1.getRawButton(4) || Robot.oi.joystick2.getRawButton(4))
{
Robot.cameraSubsystem.selectCamera(true);
}
else if(Robot.oi.joystick1.getRawButton(5) || Robot.oi.joystick2.getRawButton(5))
{
Robot.cameraSubsystem.selectCamera(false);
}
SmartDashboard.putString("Target XY", SmartDashboard.getString("DIAMOND_COORDINATES", "?"));
}
示例13: resetAcquisition
import com.ni.vision.VisionException; //导入依赖的package包/类
private void resetAcquisition(){
if (!broken){
try{
NIVision.IMAQdxStopAcquisition(getCurrentSession());
NIVision.IMAQdxUnconfigureAcquisition(getCurrentSession());
}catch (VisionException v){broken=true;pushError(v);}
}
}
示例14: selectCamera
import com.ni.vision.VisionException; //导入依赖的package包/类
public void selectCamera(boolean id){
if (!broken){
try{
if (doneInit) resetAcquisition();
NIVision.IMAQdxConfigureGrab(getSession(id));
NIVision.IMAQdxStartAcquisition(getSession(id));
initilizedCamera = id;
doneInit=true;
}catch (VisionException v){broken=true;pushError(v);}
}
}
示例15: serveLatestFrame
import com.ni.vision.VisionException; //导入依赖的package包/类
public void serveLatestFrame(){
if(!broken){
try{
NIVision.IMAQdxGrab(getCurrentSession(), frame, 1);
server.setImage(frame);
}catch (VisionException v){broken=true;pushError(v);}
}
}