extends Panel implements MouseListener,\r
MouseMotionListener,\r
KeyListener\r
-//RubberbandListener,\r
-//SequenceSelectionListener\r
{\r
RotatableMatrix idmat = new RotatableMatrix(3, 3);\r
RotatableMatrix objmat = new RotatableMatrix(3, 3);\r
float scalefactor = 1;\r
\r
AlignViewport av;\r
-// Controller controller;\r
\r
+ public RotatableCanvas(AlignViewport av)\r
+ {\r
+ this.av = av;\r
+ }\r
\r
- public RotatableCanvas(AlignViewport av,\r
- Vector points, int npoint)\r
+ public void setPoints(Vector points, int npoint)\r
{\r
this.points = points;\r
this.npoint = npoint;\r
this.av = av;\r
PaintRefresher.Register(this, av.alignment);\r
-//\r
+\r
prefsize = getPreferredSize();\r
orig = new float[npoint][3];\r
\r
\r
public void paint(Graphics g)\r
{\r
- //Only create the image at the beginning -\r
- if ( (img == null) || (prefsize.width != getSize().width) ||\r
- (prefsize.height != getSize().height))\r
+ if (points == null)\r
+ {\r
+ g.setFont(new Font("Verdana", Font.PLAIN, 18));\r
+ g.drawString("Calculating PCA....", 20, getSize().height / 2);\r
+ }\r
+ else\r
{\r
- prefsize.width = getSize().width;\r
- prefsize.height = getSize().height;\r
\r
- scale = findScale();\r
+ //Only create the image at the beginning -\r
+ if ( (img == null) || (prefsize.width != getSize().width) ||\r
+ (prefsize.height != getSize().height))\r
+ {\r
+ prefsize.width = getSize().width;\r
+ prefsize.height = getSize().height;\r
\r
- // System.out.println("New scale = " + scale);\r
- img = createImage(getSize().width, getSize().height);\r
- ig = img.getGraphics();\r
+ scale = findScale();\r
\r
- }\r
+ // System.out.println("New scale = " + scale);\r
+ img = createImage(getSize().width, getSize().height);\r
+ ig = img.getGraphics();\r
\r
- drawBackground(ig, Color.black);\r
- drawScene(ig);\r
- if (drawAxes == true)\r
- {\r
- drawAxes(ig);\r
- }\r
+ }\r
\r
- g.drawImage(img, 0, 0, this);\r
+ drawBackground(ig, Color.black);\r
+ drawScene(ig);\r
+ if (drawAxes == true)\r
+ {\r
+ drawAxes(ig);\r
+ }\r
+\r
+ g.drawImage(img, 0, 0, this);\r
+ }\r
}\r
\r
public void drawAxes(Graphics g)\r