Elodie Bourrec / Emir_Osp

tutorial.html 38.8 KB
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  <HEAD>
    <TITLE>OSP Editor - Tutorial - September 2015</TITLE>
  </HEAD>
  
  <BODY BGCOLOR="#ffffff">
    <CENTER>
      <H1>OSP Editor - Tutorial - September 2015</H1>
    </CENTER>

<p><I> This documentation is on completion. Some images don't match exactly the soft and some functionnalities may have the same problem too.
<br> Some comments are in the Release file <b><a href="./release.html"></b> if you can't do, in the soft, some operations you want to. <br>
<i>Some images are not actualized with the distributed version but they will soon. 
And images will be displayed in orginal size too. </i>
</I>
</p>
    <P>
      <A NAME="menu"></A>
      <UL> 
        <LI><A HREF="#openApp">Application start.</A></LI>
        <LI><A HREF="#newProject">Create a new project.</A></LI>
        <LI><A HREF="#openProject">Open an existing project.</A></LI>
        <LI><A HREF="#saveProject">Save a project.</A></LI>
        <LI><A HREF="#displaySettings">Display settings.</A></LI>
        <LI><A HREF="#loadFile">Load an image from a local file.</A></LI>
        <LI><A HREF="#loadServer">Load an image from an image server.</A></LI>
        <LI><A HREF="#addImage">Add the loaded image</A></LI>
        <LI><A HREF="#moveZoomFoV">Move and Zoom on the Field Of View (FoV)</A></LI>
        <LI><A HREF="#colorDisp">Change colors of the display</A></LI>
        <LI><A HREF="#cutLevels">Change cut levels of the display</A></LI>
        <LI><A HREF="#addObjectsCat">Add Objects from catalog over the image.</A></LI>
        <LI><A HREF="#addObjectsMan">Add Objects manually over the image.</A></LI>  
        <LI><A HREF="#objectsPopup">Manage Objects via Popup menu.</A></LI>
        <LI><A HREF="#recalculObjectsCentroid">Recalcul Object centroid.</A></LI>
        <LI><A HREF="#recalculAllObjectsCentroid">Recalcul Centroid for all Objects</A></LI>
        <LI><A HREF="#removeObjectsMan">Remove Objects manually.</A></LI> 
        <LI><A HREF="#addMask">Add an EMIR mask</A></LI>
        <LI><A HREF="#moveTurnMask">Move and Turn the selected mask</A></LI>
        <LI><A HREF="#selectSlit">Select a Slit</A></LI>
        <LI><A HREF="#positSlit">Position the selected slit</A></LI>
        <LI><A HREF="#assignSlit">Assign an object to a slit</A></LI>
        <LI><A HREF="#undoMoves">Undo the moves of masks or slits </A></LI>
        <LI><A HREF="#joinSlits">Join Contiguous Slits.</A></LI>
        <LI><A HREF="#splitSlits">Split Contiguous Slits.</A></LI>
        <LI><A HREF="#plotSpectra">Plot the spectra over the image.</A></LI>
        <LI><A HREF="#searchAssociations">Search automatically slits positions.</A></LI>
        <LI><A HREF="#validateWriteMask">Validate and/or Write a mask.</A></LI>
        <LI><A HREF="#reloadMask">Reload a Mask.</A></LI>
      </UL>
    </P>
    <HR>

<P>
 <A NAME="openApp"><H3>Application start.</H3></A>
</P>
 
            When the application is launched, <br>here the start screen.<BR>
       
       
         <IMG SRC="./screenShots/0.1_Start.jpeg">
   </p>
   
    <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    <hr  
    <A NAME="newWorkspace"><H3>Selecting a working space.</H3></A>> 
    
    <P>
                The first action to begin a project, is to select a workspace.<BR>
         <br>
            You can click on the first button of the toolBar <IMG SRC="./screenShots/icons/new.gif">
            <br>
           
           <CENTER> <IMG SRC="./screenShots/newProject.jpg" ></center>
          <br>
            or <br>
            Select the menu <B>"Project"</B>,
            then click on <B>"New"</B> sub-menu item.
            <BR>
            <BR>
            A file chooser dialog window opened, and you can select the directory where you want to work.<BR>
            <I>Note that your server images will be downloaded here, and all you want to save.</I><BR>
            
             <IMG SRC="./screenShots/0.2_NwWorkspace.jpeg" >
            
            When your directory is selected, press the <B>"New"</B> button.<BR>
            <BR>
         
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="openProject"><H3>Open an existing project.</H3></A>
      
  <p>
            You can also open an existing project.<BR>
            <I>Projects are stored in XML format file.</I><BR>
   <br>
        You can click on the second button of the toolBar <IMG SRC="./screenShots/icons/open.gif"> 
        <br>or <br>
            Select the menu <B>"Project"</B>,
            and then click on <B>"Open"</B> sub-menu item.<BR>
     </p>  
        <TABLE BORDER=0>
        <TR>
        <TR>
          <TD valign="top">
          
            <BR>
            <BR>
            A file chooser dialog window is opened, <br>allowing you to choose the existing file describing your project.
          </TD>
          <TD ALIGN="center">
          
            <IMG SRC="./screenShots/openProject.jpg" >
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="saveProject"><H3>Save a project.</H3></A>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2  valign="top">The project can be saved using the third button of the toolBar <IMG SRC="./screenShots/icons/save.gif">
          </td>
          <tr>
          <TD colspan=2  valign="top">
          <BR>
         Or <br>
          selecting the <B>"Save"</B> option of the <B>"Project"</B> menu
         <BR>
            </TD>
        </TR>
        <TR>
          <TD ALIGN="center">
           
            <IMG SRC="./screenShots/saveProject.jpg" >
          </TD>
        </TR>
      </TABLE>
      <br><br>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
        <td> 
        The name of the project must be filled in the next window 
        </td>
        <td ALIGN="center">
        
            <IMG SRC="./screenShots/1_menuIProjSave.jpeg" >  
        </td>
        </tr>
      </TABLE>
      <br>
      The project name is set in the window title.
        <TABLE BORDER=0 WIDTH="100%">
        <TR>
       
        <td ALIGN="center">
        
            <IMG SRC="./screenShots/1.1_menuIProjSave.jpeg" >  
        </td> 
        

        </tr>
      </TABLE>
      
      
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="displaySettings"><H3>Display settings of the instrument.</H3></A>
      <b><i> This function is not yet implemented. There is no effects in the soft </i></b>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center" WIDTH="205" HEIGHT="178">
            <IMG SRC="./screenShots/confSettings.jpg">
          </TD>
          <TD ALIGN="center" WIDTH="205" HEIGHT="178">
            <IMG SRC="./screenShots/dispSettings.jpg">
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="loadFile"><H3>Load an image from a local file.</H3></A>
      
       The first method to load an image is to open a FITS file located on your personal computer.<BR>
       
       <p>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD >
             Select the menu <B>"Image"</B>,
            then <B>"Load From"</B>
            and click on <B>"Local File"</B> sub-menu item.<BR>
          </TD>
        </TR>
      </TABLE>
      
      <p>
      <TABLE BORDER=0 WIDTH="100%">
      
            <TR>  
               <TD ALIGN="center">
           
            <IMG SRC="./screenShots/loadFile.jpg" >
          </TD>
          </tr>
          </table>
         </p>
         <p> 
         A file chooser dialog window is opened, allowing you to browse your disks
            and find your favorite FITS file.<BR>
            </p>
            
          <Table>
          <tr>
                 
            <IMG SRC="./screenShots/4.0_menuImLocalF.jpeg" >
               </td>
               </tr>
               <TR >
           <td>
              <BR>
            When your file is selected, press the "OPEN" button to watch your image
            on the display.<BR>
            </td>
      </TR>
      </TABLE>
      </p>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="loadServer"><H3>Load an image from an image server.</H3></A>
     
            The second method to load an image is to open a FITS file
            from an image server.<BR>
            <br>
     or  Select the menu <B>"Image"</B>,
            then <B>"Load From"</B><BR>
            and click on <B>"Image Server"</B> sub-menu item.<BR>
            
         
       
     <TABLE BORDER=0>
        <TR>
        
          <TD ALIGN="center">
       
            <IMG SRC="./screenShots/3_menuImServ.jpeg" >
          </TD>
          </tr>
          <tr>
          <TD>
          
            <BR>
            A catalog navigator window is opened, allowing you to browse catalogs.<BR>
            When you click on your favorite, the query panel appears on the right.<BR><br>
           
            </td>
          </tr>
        <TR>   <p>
           
            </p>
          <TD ALIGN="center">
       
            <IMG SRC="./screenShots/5.0_loadImServer1.jpeg" >
          </TD>
          <td>
           First, fill the name of the object or give an alpha delta position.<BR>
            Then <b>don't forget</b> to put <b><u>width and height </u></b> of your image 
            and click on the <B>"Query"</B> button. 
           
          </td>
          </tr>
         
               </TABLE>
           <br><br>    
      <TABLE BORDER=0 WIDTH="100%">
            <tr>
            <td align = "top">
            This will send a request and a loading window will be displayed<BR>
            </td>
            <td>
          
            <IMG SRC="./screenShots/5.1_loadImServer.jpeg" WIDTH="460" HEIGHT="420" >
            </td>
            
         
        </TR>
      </TABLE>
      <br>
      The image will be displayed when it's is loaded.<br>
      
        <IMG SRC="./screenShots/6.0_menuImLoaded.jpeg"  >
        <br>
        <p>
      
            Repeat the process until you find the good one, then use the <B>"Close"</B> button
            to close the window. 
            <br>The last selected image is still loaded on the display.<BR>
      <br>
      </p>
      
      
      <HR>
       <A NAME="addImage"><H3>Add the loaded image in the project.</H3></A>
      <p>
      <table>
      <tr>
       <td>
       Once your image choosen, it's added in the left side, under the field of view tree.<BR>
        </td>
         <td>
          
           <IMG SRC="./screenShots/4.1_menuImLocalF.jpeg" >
        </td>
       </tr>   </table>
       </p>
       <p>
 <br>
            You can add several images in the project following this procedures.<br>
            Then you can work on different images selecting it on this field of view tree.
         
 
    </p>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
       <HR>
    <P>
      <A NAME="moveZoomFoV"><H3>Move and Zoom on the Field Of View (FoV)</H3></A>
      <TABLE BORDER=0>
        <TR>
          <TD colspan=2>
            When your image is displayed you can move and zoom on the Field of View.
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center">
          
            <IMG SRC="./screenShots/moveZoomFov.jpg" >
          </TD>
          <TD>
            To move your image :
            <UL>
              <LI>Press the mouse on the yellow rectangle in the
              <A HREF="glossary.html#overviewDisplay">overview display</A>,
              then drag it to your favorite place.<BR>
               <a HREF="release.html"> [*]</a>
              </LI>
              <LI>Press the mouse directly on the
              <A HREF="glossary.html#imageDisplay">image display</A>
              then drag it to the best place.<BR></LI>
            </UL>
            <BR>
            To zoom in or out :
            <br>
             <a HREF="release.html"> [**]</a>
            <br>
            <UL>
              <LI>Pressing the buttons "+" or "-", zoom in or out to the center
              of the display.</LI>
              <LI>You can also roll your mouse wheel to move in or out.</LI>
              <BR>
              <LI>The buttons "1:1" is used to recovered the initial and minimal scale.</LI>
            </UL>
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="colorDisp"><H3>Change colors of the display</H3></A>
      <TABLE BORDER=0>
        <TR>
          <TD colspan=2>
            You can change colors of the image display, using the menu
            <B>Image</B>, then <B>Edit colors</B>.
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center">
          
            <IMG SRC="./screenShots/changeColors.jpg" >
          </TD>
          <TD>
            Or double clicking on the
            <A HREF="./glossary.html#imageColorbar">image colorbar</A>
            on the right, open the "Image Colors" dialog window.<BR>
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="cutLevels"><H3>Change cut levels of the display</H3></A>
      <TABLE BORDER=0>
        <TR>
          <TD ALIGN="RIGHT">
            To change the cut levels of the current image,<BR>
            click on the menu <B>Image</B>,<BR>
            then on the sub-menu <B>Edit Cut Levels</B>.<BR>
            The cut levels window dialog is open.
          </TD>
          <TD ALIGN="center">
 
            <IMG SRC="./screenShots/changeCuts.jpg" >
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
       <P>
      <A NAME="addObjects"><H3>Add Objects over the image.</H3></A> 
      <p>
      It's possible to add objects over the current image by loading from <b>catalogs</b>
           or <b>manually</b>.
           </p>
            <BR>
            Click on the menu  <B>Object</B> then choose the sub-menu item you want.<BR>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
          
            
          </TD>
           <TD ALIGN="center">
   
            <IMG SRC="./screenShots/7.0_menuObjCat.jpeg"  >
          </TD>
        </TR>
        </table>
        </p>
    <P>
     <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT> 

      <A NAME="addObjectsCat"><H3>From catalogs.</H3></A>
       To choose objects from catalog, click on the sub-menu item <B>from Catalog</B>.<BR><br>
            This will open a the same window as to load an image from catalogs, but with the objects catalogs list. 
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
        <TD ALIGN="center" >
           
            <IMG SRC="./screenShots/7.1_menuObjCat.jpeg"  >  
          </TD>

         </TR>
         </table>
         <p> Once the catalog choosen, the image properties will be displayed in the query panel. <br>
           Click on <b>Query</b> button will bring the objects list in the botton panel
          <p>
         <table>
        <TR colspan=2 >
            <TD ALIGN="center">   
          
       
            <IMG SRC="./screenShots/7.2_menuObjCat.jpeg"  >  
          </TD>
        </tr>
      
         
        <tr>
        
          <TD colspan=2 > 
         You can  sort objects by their parameters clicking on the title of the column.<BR>
            Also, with a selection of lines, and right-click, you can delete some objects. <br>
            This way, they will be unploted in display and not imported when the window will be closed.
            <br>
         </TR> 
         <tr>  
         <td>------------------------- </td>
         </tr>
         </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
          <tr>   
          <td colspan=1>
            When your selection is ready, clic on the <B>Add Objects and Close</B> button
           at the bottom of the dialog window. <br>
            
          
          </TD>
          </tr>
          <tr>
             <TD ALIGN="center">   
          
      
            <IMG SRC="./screenShots/7.3_menuObjCat.jpeg" >  
          </TD>
          </tr>
          <tr>
          <td>
           This add the selected objects and some of their characteristics in the simulator. 
           </td>
       
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="addObjectsMan"><H3>Add Objects manually.</H3></A>
      To add an object manually, choose the sub-menu item <B>Add Objects Manually</B> in the 
            <B>Object</B> menu.<BR>
            Or you can right-click in the image display, a sub-menu <b>"Add object"</b> appears. 
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD   ALIGN="center">
         
            <IMG SRC="./screenShots/7.6b_MouseAddObj.jpeg"  >
          </TD>
         
        </TR>
        </TABLE>
        
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
       
          <TD >
            All these choices open a pick Objects dialog window.<br><br><br>
            <br>Put the mouse on your favorite object<br> in the display window. <br>The object
            appears in the <br>zoom panel of the dialog window,<br> as well all its characteristics <br>as in the image statistics panel.<br>
            </td>
             <TD>
         
            <IMG SRC="./screenShots/7.6b_menuObjSelMan.jpeg" >
          </TD>
          </tr>
      </TABLE>
        
      <TABLE BORDER=0 WIDTH="100%">      
            <tr>
            <td>
        
            <IMG SRC="./screenShots/7.7b_menuObjSelMan.jpeg"  >
            </td>
            <td colspan=2> 
              When you want to add the object just click on it.<BR> A cross will be displayed on the object, either in the zoom of the pick window,and on the image display.<br>
            The object is added to the sky object list at the bottom of the main window.
            <br> You can add as many objects you want. <br> When you finish, you just close the pick window.<br>
                        
          </TD>
          
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
    <HR>
     <P>
      <A NAME="recalculObjectsCentroid"><H3>Recalcul Object Centroid.</H3></A>
    
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
        <td>
         When objects are loaded by catalog, it's possible that the centroid is not good enought. It can be recaculated.  
        </td>
          <TD   ALIGN="center">
       
            <IMG SRC="./screenShots/7.8b1_menuObjManRecalcul.jpeg"  >
          </TD>
       
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>          
             <TD>
           
            <IMG SRC="./screenShots/7.8b2_menuObjManRecalcul.jpeg"" >
          </TD>
          <TD colspan=2>
            You put the mouse on the object, clic-right, and choose the "recalculate Centroid" option. 
            </td>
           </tr>
            </TABLE>
        
      <TABLE BORDER=0 WIDTH="100%">   
           <tr>
           <td>
	The cross displayed on image will turn light-green, and in the bottom array, recalcul is mentionned in the calaog column, and the new centroid value displayed in columns forward. 
	 </td>
	  <TD>
           
            <IMG SRC="./screenShots/7.8b3_menuObjManRecalcul.jpeg"" >
          </TD>
           </tr>
           
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
  
    <HR>
     <P>
       <A NAME="recalculAllObjectsCentroid"><H3>Recalcul Centroid for all Objects.</H3></A>
     After loading by catalogs, sometimes all objects need recalculation.
    
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD   ALIGN="center">
         
            <IMG SRC="./screenShots/7.4b_menuObjCatRecalc.jpeg"  >
          </TD>
          <TD colspan=2>
            You can do that with the <b>"Object"</b> menu option, and the <b>"Recalcul centroid for all objects "</b> sub-item. 
            </td>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
	<td>
	 The informations will be changed in the bottom array and the objects will be plotted (better) with green cross.  
	 </td>
         
             <TD>
          
            <IMG SRC="./screenShots/7.5b_menuObjCatRecalc.jpeg" >
          </TD>
           
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
  
    <HR>
     <P>
      <A NAME="removeObjectsMan"><H3>Remove Object manually.</H3></A>
      Removing an object is possible : You right-click in the image display, on the selected object. 
      <br>A sub-menu  will appears. 
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD   ALIGN="center">
  
            <IMG SRC="./screenShots/7.8c0_ObjRemoveMenu.jpeg"  >
          </TD>
          <TD colspan=2>
         
            </td>
        </TR>
        </TABLE>
          When you choose the "Remove object" option,
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
	<td>
	 it will erase the cross in the display and the correspondant line in the bottom array. 
	 </td>
         
             <TD>
          
            <IMG SRC="./screenShots/7.8c1_ObjRemoveMenu.jpeg"" >
          </TD>
           
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
  
    
     <HR>
    <P>
      <A NAME="addMask"><H3>Add an EMIR mask</H3></A>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
            You can add several masks on an image. Select the menu <B>"Mask"</B>,
            and click on <B>"Add on current Image"</B> sub-menu item.<BR>
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center">
       
            <IMG SRC="./screenShots/addMask.jpg" >
          </TD>
          <TD>
            A new mask is added in the left side, under the image name node
            with a default name.<BR>
            You can add several masks in the project following this procedures,
            then you can work on different masks selecting it on the field of view tree.<BR>
            <BR>
            The coordinates of the mask center appears on the
            <A HREF="glossary.html#selMaskProp">"Selected Mask Properties"</A>
            panel.<BR>
            <BR>
            The mask is also overplotted on the image display.<BR>
            All slits are centered and opened to 0.6 arcsec by default.<BR>
            The selected slit is plotted in green and by default, it's the number 1. 
            Slits characteristics are mentionned in the
            <A HREF="glossary.html#selSlitProp">"Selected Slit Properties"</A>
            panel.<BR>
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="moveTurnMask"><H3>Move and Turn the selected mask</H3></A>
      <h4> MOVE</h4>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
            When your mask is added on your image display, you can move and/or turn it on the image.
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="right">
          
            <IMG SRC="./screenShots/moveMask.jpg" >
          </TD>
          <TD ALIGN="left">
            There is two methods to move the selected mask :<BR>
            <UL>
              <LI>Select the menu <B>"Mask"</B>,<BR>
              and select the <B>"Move Mask over the image"</B> sub-menu radio-item.</LI>
              <LI>Click on the button <B>"Move"</B> on the menu bar.</LI>
            </UL>
            The mask is delimited with a red line as well as the "Move" button.<BR>
            Press the mouse on the mask and drag it through the image.<BR>
          </TD>
        </TR> 
        </TABLE>
        
        <h4> TURN</h4>
         <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="right">
       
            <IMG SRC="./screenShots/turnMask.jpg" >
          </TD>
          <TD ALIGN="left">
            To turn the mask, methods are the same :
            <UL>
              <LI>Select the menu <B>"Mask"</B>,<BR>
              and click on <B>"Turn"</B> sub-menu radio-item.</LI>
              <LI>Click on the button <B>"Turn"</B> on the menu bar.</LI>
            </UL>
            A red circle is plotted on the center of the mask, and the border of
            the "Turn" button appears in red.<BR>
            Press the mouse on the mask and drag it to change the angle.<BR>
            You can also change the angle directly on the "Selected Mask Properties".<BR>
            <BR>
            The coordinates of the mask center appears on the
            <A HREF="./glossary.html#selMaskProp">"Selected Mask Properties"</A>
            panel.<BR>
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
     <HR>
    <P>
      <A NAME="objectsPopup"><H3>Manage Objects via Popup menu</H3></A>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
            Clicking-right on the mouse where you're positionned on an object, a popup menu appears.<br>
            This allows to manage the selected object.<BR>
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center">
        
            <IMG SRC="./screenShots/7.8_mouseObjMenu.jpeg" >
          </TD>
          <TD>
           <ul>
           <li>You can set the object a reference object, the plot is changing and the "isRef"
            check box selected.<BR> </li>
            <li>You can remove individually the object from the list of skyObject.<BR> </li>
            <li> You can recalculate the centroid of the object.<br> <br>
            <i> This option appears only when the mask is positionned.</i><br>
            <li>You can assign the corresponding slit to the object, <br>
            
                        <IMG SRC="./screenShots/7.8_mouseObjMenuMask.jpeg" > 
                        <A HREF="#assignSlit">See forward.</A>
          
            </ul>
            
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
      <HR>
     <P>
      <A NAME="setObjectsRef"><H3>Set an Object as Reference.</H3></A>
   
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD   ALIGN="center">
         
            <IMG SRC="./screenShots/7.8a2_ObjRef.jpeg"  >
          </TD>
          <TD colspan=2>
             As you click on the mouse menu option "is reference" when you are on an object,
            </td>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
	<td>
	It will change the cross symbol in a blue square on the image, and a sign is added in the reference column in the bottom array. 
	 </td>
         
             <TD>
            
            <IMG SRC="./screenShots/7.8a3_ObjRef.jpeg" >
          </TD>
           
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
  
    
    <HR>
    <P>
      <A NAME="selectSlit"><H3>Select a Slit and its properties</H3></A>
      To select a slit, check the slit number with the
      <A HREF="./glossary.html#slitSelector">Slit selector</A>,
      <BR>
      
        <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD   ALIGN="center">
     
            <IMG SRC="./screenShots/7.22a_menu_SlitSel.jpeg"  >
          </TD>
          <TD colspan=2>
             
             
                         </td>
        </TR>
        </TABLE>
        or click with the mouse directly on its location on the mask.<BR><br>
      <TABLE BORDER=0 WIDTH="100%">
        <TR> 
	<td>
	And then slit will be selected (in green) and its characteristics will be displayed in  <A HREF="./glossary.html#selSlitProp"> the slit properties panel </A>,
	 </td>
         
             <TD>
         
            <IMG SRC="./screenShots/7.22b_menu_SlitSel.jpeg" >
          </TD>
           
      </TABLE>
      
      <BR>
      The slits characteristics can be changed directly in this panel. 
       <BR>
       Or you can do it with the <A HREF="glossary.html#slitSliders">sliders. 
       <br>
       <br>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
  
  
  <HR>
    <P>
      <A NAME="assignSlit"><H3>Assign an object to a slit</H3></A>
      When the Object is selected, you can assign the closest slit to the object with 2 methods : 
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
           <b>1</b> - Right-click on the mouse and then choose the <B>Assign to Slit</B> option.<BR>
              </TD>
   
          <TD colspan=2 ALIGN="center">
         
            <IMG SRC="./screenShots/7.24b_mouse_ObjAss.jpeg" >
          </TD>
        </TR>
        </TABLE> 
        <br>
        The slit will be positionned on the object, and in the sky objects list, the slit number is mentionned in the object characteristics. 
        <br>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2 ALIGN="center">
          
            <IMG SRC="./screenShots/7.25b1_mouse_ObjAss.jpeg" >
          </TD>
          <TD colspan=2>
         
                  
              </TD>
          </TR>
      </TABLE>
    
    </P>

    <P>
      <b>2</b> -  Or, on the mask, you can double-click on the approximate position you want for the slit.
      <br>It will be positionned and after, you can adjust its parameters with the 
      <A HREF="./glossary.html#selSlitProp"> the slit properties panel </A>, and with the help of the <b>"go and zoom"</b> button.<br><br>
      
  
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2 ALIGN="center">
        
            <IMG SRC="./screenShots/goZoomSlit.jpg" >
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
    <HR>
    <P>
      <A NAME="joinSlits"><H3>Join contiguous slits.</H3></A>
      You can join slits or by menu, or with mouse selection :
      <p>
      <br>By menu : click on the  <B>Slit</B> menu and then <B>Join slits</B> sub-item.<BR> 
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="right" WIDTH="50%">
          <IMG SRC="./screenShots/joinContSlits1.jpg">
          </TD>
          <TD>
            
            Enter the number of the first slit and the numbers of the last slit you want to join, and the slit reference position value that you want for all. 
          </TD>
        </TR>
        
      </table>
      <br>
            The second method by mouse is to selected the first slit on the image, <br>
            and click on the last slit with pushing the <b>"Ctrl"</b> key on keyboard.<BR>
            The same dialog window appears.
            <br>
         <br>
          <Table>
          <tr>
          <td>
          The result : 
          </td>
          <TD ALIGN="center">
         
            <IMG SRC="./screenShots/joinContSlits2.jpg" >
          </TD>
        </TR>
      </TABLE>
      </p>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <HR>
    <P>
      <A NAME="splitSlits"><H3>Split contiguous slits.</H3></A>
      To split joined-slits, the methods are the same than to join.<br>
      You can click on the  <B>Slit</B> menu then <B>Split slits</B>.<BR>
            
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD >
           The same control panel appears but to split. <br>
            Select the first and the last number of the slits.
          </TD>
          <td ALIGN="left" WIDTH="50%">
           <IMG SRC="./screenShots/7.29a_menu_Split_JoinedSlit.jpeg" >
           </td>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <tr>
        <TD>
        Or you can select the slits with the mouse and make appear the panel to split. 
        </td>
        </tr>
         <tr>
          <td>
          The result : <br>
          Attention, the slits positions stay at the position defined before split. 
          </td>
          <TD ALIGN="left"> 
        
           <IMG SRC="./screenShots/7.29d_menu_Split_JoinedSlit.jpeg" WIDTH="460" HEIGHT="420" >
        
          </TD>
        </TR>
        
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    <hr>
    <p>
    <A NAME="undoMoves"><H3>Undo some moves.</H3></A>
    It's possible to undo somes moves. <br>
    The <b>Undo</b> button <IMG SRC="./screenShots/icons/undo.gif">is activated when it's possible.
    <br>It concerne masks moves, turn and move, and slits corrections. 
    <br><br>
    
    <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </p>
    
    <HR>
    <P>
      <A NAME="plotSpectra"><H3>Plot the spectra over the image.</H3></A>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
            The spectrum of the selected Slit or all the spectra could be displayed over the mask,
            to watch the extends.( Not yet good curvature )<BR>
            Click on the menu <B>Display</B> Then select the appropriate plot option.
          </TD>
        </TR>
        </TABLE>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD ALIGN="center">
          
            <IMG SRC="./screenShots/plotSpectra1.jpg" >
          </TD>
          </tr>
          <tr>
          <td>
          When you selected <b> All spectra</b> : 
          </td>
          </tr>
          <tr>
          <TD ALIGN="center">
         
            <IMG SRC="./screenShots/plotSpectra2.jpg">
          </TD>
        </TR>
      </TABLE>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
    
    <HR>
    <P>
      <A NAME="searchAssociations"><H3>Search automatically slits positions.</H3></A>
      <TABLE BORDER=0 WIDTH="100%">
        <TR>
          <TD colspan=2>
           This search method propose severals mask positions. It take calculations from the center of the position of the field of view. <br>It tests several angles with the objects in the field of view, and optimizes the slits positions for them. <br>
           
           It's not on all the image and with all the objects. <br>
           But you can run several testes from different situations in field of view.  <br>
          <br> 
           There is a search window, with a progress bar which is displayed during calculations. 
           <br> <br>
         <i>  The ratio displayed aside the calculated mask is the number of objects in slits in the mask over the total number of objects loaded.
         </i>
          <p>
           To lauch the research, click on the <B>Search</B> button.<BR>
           <br>
            <Center><IMG SRC="./screenShots/8_buttonSearch.jpeg" ></center>
           
           <br>
           The search window is displayed. <br> 
            <Center><IMG SRC="./screenShots/7.30a_mask_Search.jpeg" ></center>
            <br>This window must be closed after calculations to display the mask solutions. <br>
        </p>
          </TD>
        </TR>
        </table>
        </p>
        <p>
        After a small  time, depending on the number of object in the sky object list, the tenth better masks are added to the list of masks. 
       <br><br>
        Some examples :
        <br><br>
      Result 1:
      <br>
          <Center>  <IMG SRC="./screenShots/searchSolution1.jpg" ></Center>
          <br><br>
   Result 2:
      <br>
           <Center> <IMG SRC="./screenShots/searchSolution2.jpg"></Center>
      <br><br>
    
    
          Result 3:
      <br>
          <Center>  <IMG SRC="./screenShots/7.30c_mask_Search.jpeg"></Center>
      <br><br>
      
          Result 4:
      <br>
           <Center> <IMG SRC="./screenShots/7.30d_mask_Search.jpeg" ></Center>
         <br>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
    <HR>
    <P>
      <A NAME="validateWriteMask"><H3>Validate and/or Write a mask.</H3></A>
      After all manipulations, masks can be validated and saved. <br>
      <br>
      For this, you select the <b>Validate</b> button.  
         <br><br>
            <Center><IMG SRC="./screenShots/8_buttonVal.jpeg" ></center>
           <br>
      But, before you validate, or write, a mask, you must have at less 3 <b>reference objects</b> in the detector field. <br>
      If not, you will have this message :
     
            
             <Center><IMG SRC="./screenShots/7.31_mask_writeNotRef.jpeg" >    </center>     
            <br>
        <p>
        Once you've got enought reference objects and all requierements completed, you can validate the mask.  
        <br>
      You will have a confirmation message that says the mask is validated.  
        </p>
    
            <Center><IMG SRC="./screenShots/7.33_mask_writeAsk.jpeg" ></center>  
      <br>      
   And, ask if you want the mask writed. 
<br>
       
      <p>
          
           At this point, the procedure is the same if you have clicked on the write button.  
          
         </p>
        
            <Center><IMG SRC="./screenShots/8_buttonWrite.jpeg" ></center>
      
          <br> The screen asks you where you want to save the file and its name. <br>
       
          <center>   <IMG SRC="./screenShots/7.31b_mask_write.jpeg" ></center> 
       <p>
         When you do that, the example generated xml file:       
         
          </p>
               <center>    <IMG SRC="./screenShots/7.32_mask_writeFich.jpeg" ></center> 
     
      <br>
      <RIGHT><A HREF="#menu">Back to the menu</A></RIGHT>
    </P>
    
    <HR>
    <P>
      <A NAME="reloadMask"><H3>Reload a Mask.</H3></A>
     
    <b> <i>To be completed </i></b>
    <p>
    A written file of mask can be re-load. <br>
    With the  <b> Mask</b> menu option, you can choose <b>Load a mask</b>. <br><br>
    A file chooser will be opened, and a file can be choosen. <br>
    The mask properties will be tested to verify it's in the image and after that, it will be loaded. <br>
    
     </p>
     
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