... The plotter allows various annotations (lines, arrows, text and ``spans'') to be added to the plot. ... The values are in world coordinates. ... axhline(y, xmin, xmax) . ... avhline(x, ymin, ymax) . ... xmin, xmax) . Overlay a transparent colour rectangle. ymin and ymax are given in world coordinates while xmin and xmax are given in relative coordinates . ... Overlay a transparent colour rectangle. ymin and ymax are given in relative coordinates while xmin and xmax are given in world coordinates . ...

... Two new instruments, STIS and NICMOS, were added to HST during the SM97 servicing mission, each with new types of data that need to be processed. As a result, a completely new system for generating paper products was created which provides a detailed summary of the observations and of the calibrations applied to the observations in the HST pipeline. ... Provides a summary of the observations data quality : The last page(s) of the paper products is a summary of the calibration(s). ... 1 Page each . ...

... Introduction A routine part of the HST data is the post-calibration production of PDF products files, or `HST PDF products' (also known as `quicklook products'), that summarize the data obtained. ... Target List A table listing the targets in the set of observations being summarized. ... Summary Page The Summary Page gives the detailed data quality summary of the observation using information extracted from the OMS products (_jih file), the trailer file (_trl) and keywords from the science header. ...

... Naming the individual error document files . ... Creating ErrorDocuments in different languages . ... Customizing Proxy Error Messages . ... This document describes an easy way to provide your apache WWW server with a set of customized error messages which take advantage of Content Negotiation and eXtended Server Side Includes (XSSI) to return error messages generated by the server in the client's native language. ... For demonstration purposes, we present a simple generic error document scheme. ...