[Chameleon] ROIArea widget

[Tony Baylis]

Hi all,

I'm not sure where I've gone wrong but I cannot get the ROIArea widget 
to display the area of any of the ROI objects drawn.  Below is the 
relevant code.

Cheers for your help,
Tony

          <CWC2 TYPE="ROIManager"
                MODE="ADD"
                EDGECOLOR="CC0033"
                EDGEWIDTH="2"
                FILLCOLOR="FF6666"
                FILLOPACITY="30"
                FILLROI="TRUE"
                ONROICHANGED="updateArea" />
         
          <CWC2 TYPE="ROIManagerMode"
                MODE="ADD"
                IMAGETIP="Add mode"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_mode_add_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_mode_add_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_mode_add_3.png" />
         
          </CWC2>
         
          <br>
         
          <CWC2 TYPE="ROIManagerMode"
                MODE="REPLACE"
                IMAGETIP="Replace mode"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_mode_replace_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_mode_replace_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_mode_replace_3.png" />
         
          </CWC2>
         
          <br>
         
          <CWC2 TYPE="ROIRectangleTool"
                IMAGETIP="Draw a rectangle on the map"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_rectangle_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_rectangle_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_rectangle_3.png" />
        
          </CWC2>
         
          <br>
         
          <CWC2 TYPE="ROIPolygonTool"
                NUMBEROFPOINTS="200"
                POINTSPACING="5"
                IMAGETIP="Draw a polygon on the map"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_polygon_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_polygon_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_polygon_3.png" />
        
          </CWC2>
         
          <br>
         
          <CWC2 TYPE="ROICircleTool"
                IMAGETIP="Draw a circle on the map"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_ellipse_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_ellipse_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_ellipse_3.png" />
         
          <br>
         
          <CWC2 TYPE="ROIRemoveLast"
                IMAGETIP="Remove the added ROI object"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_undo_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_undo_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_undo_3.png" />
         
          </CWC2>
               
          <br>
         
          <CWC2 TYPE="ROIRemoveAll"
                IMAGETIP="Remove all ROI objects"
                IMAGEWIDTH="24"
                IMAGEHEIGHT="24">
                <IMAGE STATE="normal"
                IMAGE="buttons/button_roi_clear_1.png" />
                <IMAGE STATE="hover"
                 IMAGE="buttons/button_roi_clear_2.png" />
                <IMAGE STATE="selected"
                 IMAGE="buttons/button_roi_clear_3.png" />
         
          </CWC2>

          <CWC2 TYPE="ROIArea"
                UNITS="KILOMETERS"
                LABEL="Area (sq km):"
                WIDGETCLASS="inputBox" />

-- 
Tony Baylis
Spatial Information Specialist
Resource and Exploration Mapping
Suite 8, 290 Boundary St
Spring Hill QLD 4000
Ph    3832 1600
Fax   3832 1603
Mob   0419 759 131
Email tony.baylis at resexmap.com.au
www   resexmap.com.au