Inobitec DICOM Viewer

3.7. Measurements

The tool allows you to make linear and polygonal linear measurements of distances in an image.

3.7.1 Ruler

To make linear measurements:

  1. Activate the Ruler tool by clicking the PIC button or select the corresponding item from the image context menu.
  2. Mark the first point on the toolbar by clicking the left mouse button.
  3. Drag the cursor over the screen. The distance from the first point to the current point will be displayed beside the line.
  4. To fix the current point, click the left mouse button.
  5. To cancel an incomplete measurement, press Esc.

To move the ruler border:

  1. Activate the Ruler tool.
  2. Locate the cursor on the point to be moved.
  3. Drag the point holding the left mouse button.
  4. Release the left mouse button.

To delete a ruler:

  1. Activate the Ruler tool.
  2. Locate the cursor on the line to be deleted.
  3. Right-click the mouse and select the Delete all Measurement command.

This tool is also available from the model context menu and from the Volume main menu item.

3.7.2 Polygonal Ruler

To perform plygonal linear measurement:

  1. Select the Polygonal ruler tool by clicking the PIC button on the toolbar.
  2. Mark the first point on the toolbar by clicking the left mouse button.
  3. Drag the cursor over the screen. The distance from the first point to the current point will be displayed beside the line.
  4. To fix the current point, click the left mouse button.
  5. Repeat Steps 3 and 4 until the last but one point is fixed.
  6. Fix the last point by right-clicking the mouse.
  7. To cancel an incomplete measurement, press Esc.

To move the linear measurement point:

  1. Activate the Polygonal ruler tool.
  2. Locate the cursor on the point to be moved.
  3. Drag the point holding the left mouse button.
  4. Release the left mouse button.

To delete a point:

  1. Activate the Polygonal ruler tool.
  2. Locate the cursor on the point to be deleted.
  3. Right-click the mouse and select the Remove point command.

To insert a point:

  1. Activate the Polygonal ruler tool.
  2. Locate the cursor on the ruler where you want to insert a point.
  3. Right-click the mouse and select the Insert point command.

To resume a completed polygonal linear measurement:

  1. Activate the Polygonal ruler tool.
  2. Locate the cursor on the point to continue the measurement from, so that it would look as follows: PIC .
  3. Right-click the mouse and select the Resume ruler command.
  4. Perform polygonal linear measurement.

This tool is also available from the model context menu and from the Volume main menu item.

3.7.3 Corner 3D Meter

To measure an angle on the model:

  1. Select the Corner 3D meter PIC tool on the toolbar.
  2. Make two points on the model clicking the left mouse button. The second point is the angle apex.
  3. Move the cursor over the screen to set the other side of the angle.
  4. Click the left mouse button to fix the second side of the angle.
  5. To cancel an incomplete measurement, press Esc.

To move the corner 3D meter point:

  1. Activate the Corner 3D meter tool.
  2. Locate the cursor on the point to be moved.
  3. Drag the point holding the left mouse button.

To remove the corner 3D meter:

  1. Activate the Corner 3D meter tool.
  2. Locate the cursor on the line of the Corner 3D meter to be deleted.
  3. Right-click the mouse and select the Remove corner tool command.

This tool is also available from the model context menu and from the Volume main menu item.