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File:Ceiling function.svg

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Original file (SVG file, nominally 1,000 × 1,000 pixels, file size: 16 KB)

Summary

Description

Graph of the ceiling function See Wikipedia graph-making tips.


Then I opened the resulting SVG file in Inkscape, changed the fill style for the circles (either blue or white fill), brought the plot lines to the top, and then brought the circles to the top (over the lines).

Date
Source Own work using: http://mathworld.wolfram.com/
Author Omegatron
Other versions
  • Floor
    Floor
  • Ceiling
    Ceiling
  • Int
    Int
SVG development
InfoField
 
The source code of this SVG is invalid due to 4 errors.
 
This W3C-invalid plot was created with Gnuplot.
 
 This plot uses embedded text that can be easily translated using a text editor.
Source code
InfoField

Gnuplot code

# Set square 1000×1000 SVG output and filename
 # The font size (fsize) sets the size for the circles, too.
 set terminal svg enhanced size 1000 1000 fname "Times" fsize 36
 set output "ceiling.svg"

 # Set the text value for missing entries in the data file, so we can plot a [[w:discontinuous function|discontinuous function]]
 set datafile missing "Skip"

 # Set y axis limits so the plot doesn't go right to the edges of the graph
 set yrange [-3.5:3.5]
 # Set x axis limits so the first and last points are hidden
 set xrange [-3.5:3.5]

 # No legend needed
 set nokey

 # Add lightly-colored axis lines
 set yzeroaxis
 set xzeroaxis

 # Plot as lines and also points (circles)
 plot "ceiling.dat" with lines
 plot "ceiling.dat" with points 1 6

 # Close the file (so I don't have to close gnuplot to view it)
 set output

Data

#  X     Y1
   -4    -4
   Skip
   -4    -3
   -3    -3
   Skip
   -3    -2
   -2    -2
   Skip
   -2    -1
   -1    -1
   Skip
   -1    0
   0     0
   Skip
   0     1
   1     1
   Skip
   1     2
   2     2
   Skip
   2     3
   3     3

Licensing

Created by User:Omegatron using gnuplot, possibly with post-processing in the GIMP (PNG) or Inkscape (SVG)

I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
You may select the license of your choice.

(In short, this means that you can copy and modify the image freely as long as you provide attribution; preferably in the form of a link back to this page.)

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depicts

inception

11 April 2006

media type

image/svg+xml

checksum

5501a81ba2bb29f2018e19c768d3911eebe9350c

determination method or standard: SHA-1

data size

16,280 byte

height

1,000 pixel

width

1,000 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current00:05, 22 May 2006Thumbnail for version as of 00:05, 22 May 20061,000 × 1,000 (16 KB)Omegatroni like blue better
02:05, 11 April 2006Thumbnail for version as of 02:05, 11 April 20061,000 × 1,000 (15 KB)Omegatron

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