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--- en:documentation:pictures [2014/02/01 11:31] – admin
+++ en:documentation:pictures [2015/11/06 20:43] (current) – external edit 127.0.0.1
@@ Line 5: / Line 5: @@
   * **[[directories_and_files|install directory]]\data\pictures\sac\** which contain the SAC object pictures.
   * **[[directories_and_files|user data]]\pictures\** which is used to store the downloaded pictures from the DSS or the temporary pictures from RealSky.
 ===== DSO Catalog pictures =====
 {{  en:documentation:pictures_object.jpg?300|}}
 From the menu: **Setup -> Pictures -> Objects**
 \\ \\
@@ Line 34: / Line 32: @@
 ===== Background Picture =====
 {{  en:documentation:pictures_background.jpg?300|}}
 From the menu: **Setup -> Pictures -> Background**
 \\ \\
 Here you can open a FITS-file to display by entering its file name. After a new installation, the default directory to read from is **C:\Documents and Settings\[user]\Local Settings\Application Data\SkyChart\pictures** (Windows) or **/home/[user]/.skychart/pictures** (Linux). In this directory you usually will find the last FITS-file you downloaded from the DSS resources. (named "$temp.fit"). You can change the directory to any other source of FITS-files. For example, if you did install the SAC **[[http://www.ap-i.net/skychart/en/download|picture package]]** with a typical installation of SkyChart, you can open FITS images of deep sky objects in your  chart from the **/usr/share/apps/skychart/pictures/sac** (Linux) or **C:\Program Files\ciel\pictures\sac** (Windows) directory or After opening the file. The active chart will be repositioned according to the settings of the selected picture. \\
-You can set Luminosity and Contrast of the image and you need to check "Show this picture".
+You can set the Visualisation scale, the Luminosity, the Contrast and Transparency of the image and you need to check "Show this picture".
 \\ \\ \\ \\
 ===== DSS RealSky =====
 {{  en:documentation:pictures_dss.jpg?300|}}
 From the menu: **Setup -> Pictures -> DSS RealSky**
 \\ \\
 SkyChart can display FITS-picures for any place in the chart. This window is meant to configure from which sources to retrieve those pictures. You can get them by Internet, or if you have a RealSky CD-ROM set, from your CD-ROM player
-==== RealSky ====
-Here you can set the RealSky CD-ROM location for your computer. You have to specify which set of CDs you are using, where the auxiliary files are to be found, the path to your CD reader and where the temporary files can be stored. \\
-You can specify if you want to select a plate from a list. You can also choose to limit the size of the picture.
 ==== Online DSS ====
@@ Line 60: / Line 53: @@
 To read more about the configuration of the DSS resources to download those images, press **[[internet#Online_DSS_pictures|here]]**.
-===== Image archive =====
+==== Download archive ====
+Use this section to archive on your computer the DSS picture you download from the Internet.\\
+You can define here the directory to use for the archive and whether or not you want a confirmation prompt before to archive a file.\\
+See next tab for the options how to display this archived images.
+==== RealSky ====
+Here you can set the RealSky CD-ROM location for your computer. You have to specify which set of CDs you are using, where the auxiliary files are to be found, the path to your CD reader and where the temporary files can be stored. \\
+You can specify if you want to select a plate from a list. You can also choose to limit the size of the picture.
+===== Image archive =====
 {{ :en:documentation:pictures_archive.jpg?300|}}
+You can select here how to display the archived images.\\
+Only the images in the [[http://fits.gsfc.nasa.gov/fits_home.html|FITS]] format that include the [[http://fits.gsfc.nasa.gov/fits_wcs.html|WCS]] information are eligible for use here. There is many software that allow you to run an astrometric reduction on your images, and also [[http://nova.astrometry.net|online]] solutions.
+The list can include up to ten directory where the program will search for picture to display on the map.
+Select in the first column if you want this directory to be active now.
+The second column is the directory itself. Be sure to always include the directory you select for the automatic archive of downloaded DSS images.
+The last column indicate the number of pictures actually know in the program database. If you added some images manually in a directory you need to click the "Scan archives" button on top to update the database with the new files.
+You can select if you want to show the images on the chart and if you want a label with the image file name.\\
+You can also select the maximum number of images the program will show on a single map. Beware of performance issue if you select a too high value.\\
+You can use the [[image_list|Image list]] window from a right click on the chart to change this setting for a single map display and also to select other images than the one automatically selected by the program.