... How to display images in IRAF using the display task. ... The most general IRAF task for displaying image data is the display task, the best choice for a first look at HST imaging data. ... Display the image with the IRAF display task, using the syntax appropriate for the file format (Chapter 2 explains how to specify GEIS groups and FITS extensions): tv> display fname.c0h [2] 1 (GEIS group 2) . ... If you want to display an image with high dynamic range, you may prefer to use logarithmic scaling. ...

The current set of keyword-value pairs of a task can be monitored by typing ESC K while the name of the task is present in the User Command Area. This causes (part of) the Common Output Area to be overlaid with a display containing the current user input parameters of the task. ... If there is currently a set of parameters displayed on the screen (as the result of typing ESC K ), these parameters will be edited; otherwise the name of the task is derived from the User Command Area contents. ...

... way these widgets work for the user. #include gtk/gtk.h GtkWidget *hscale, *vscale; void cb_pos_menu_select( GtkWidget * item , GtkPositionType pos ) { /* Set the value position on both scale widgets */ gtk_ scale _set_ value _pos (GTK_ SCALE (hscale), pos); gtk_ scale _set_ value _pos (GTK_ SCALE (vscale), pos); } void cb_update_menu_select( GtkWidget * item , GtkUpdateType policy ) { /* Set the update policy for both ...

... The table that contains the event data - need to at least contain the columns named with the xcolumn , ycolumn , ecolumn parameters. colortablechoice . ... Choice parameter determining source of the color table that is to be used for the color coding. ... The name of the column that specifies the position of the event; passed to evselect as parameter xcolumn . ... The name of the column that specifies the scalar event attribute that is to be color-coded; passed to evselect as parameter zcolumn . ...

polimplot -- Plot a polarization vector map . ... inpol = "" [name] . Input linear polarization image (in %) to plot. inpopa = "" [name] . Input image for position angle of linear polarization vectors (degrees). poi_err = "" [boolean] . ... Name of corresponding polarization position angle error image (degrees). ... This task is a flexible tool for plotting a polarization vector map from two images of the polarization and the position angle of the polarization vector. ...

polimplot -- Plot a polarization vector map . ... inpol = "" [name] . Input linear polarization image (in %) to plot. inpopa = "" [name] . Input image for position angle of linear polarization vectors (degrees). poi_err = "" [boolean] . ... Name of corresponding polarization position angle error image (degrees). ... This task is a flexible tool for plotting a polarization vector map from two images of the polarization and the position angle of the polarization vector. ...

... To plot the radial profile generated in the previous section: . ... To add error bars to above graph, the error bars must be generated then overlaid on existing graph. xp> pltpar # puts plot parameter file in editor. move cursor to ``erraxis'', type 2 type ctrl x to exit editor (for emacs, ctrl d for vi) xp> epar tabplot move cursor to ``errcolumn'', type err/pix type ctrl x to exit editor (for emacs, ctrl d for vi) xp> tabplot ``snr_cnt rad1 cnt/pix'' append=yes # overlays data and error bars . ...

... A file upload element on an HTML form. ... JavaScript 1.1: added type property . ... The HTML INPUT tag, with "file" as the value of the TYPE attribute. For a given form, the JavaScript runtime engine creates appropriate FileUpload objects and puts these objects in the elements array of the corresponding Form object. ... form . ... For all FileUpload objects, the value of the type property is "file" . ... Use the value property to obtain the file name that the user typed into a FileUpload object. ...

OptInt PmWiki : Pm Wiki / Page Directives . ... attachlist NAME:) shows a list of attachments of the group or page NAME. (:attachlist ext=xxx:) specifies an extension for filtering by type of file. (:attachlist *:) shows the uploads directory and permits browsing of all uploaded files by directory ( will not work if $EnableDirectDownload is set to 0 ). (:description text:) . ... If supported by the skin , each of these turns off the corresponding portion of the page. (:redirect PageName:) . ...

To notify the user about the outcome of a previous command: cat deliver #!/bin/sh # usage: deliver username filename { cat $2 | write $1 ; } echo done . The user types a command such as: deliver keith greeting . The first command { cat $2 | write $1 ; } concatenates and displays the message held in the file greeting and pipes the output through the write command whose argument is the name of the user to whom the message is to be sent. ...