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21:01, 1 July 2024 RokerHRO talk contribs uploaded a new version of File:Dodecahedron flat.svg (remove all that inkscape and sodipodi cruft -> file sice molten down to 18%)
15:23, 20 January 2024 RokerHRO talk contribs uploaded File:Selcall Tones.svg (Uploaded own work with UploadWizard)
16:07, 24 May 2023 RokerHRO talk contribs uploaded a new version of File:Shining pink blue 1-300.png (optipng -o7 -zm1-9 Shining_pink_blue_1-300.png --> 16.21% decrease)
16:09, 6 April 2021 RokerHRO talk contribs uploaded File:Fermat-spiral-components.svg ({{Information |Description=Plane tiling using Fermat's spiral |Source={{own}} |Date=2021-04-06 |Author= RokerHRO |Permission= |other_versions= }} Category:Fermat's spirals)
12:14, 4 March 2021 RokerHRO talk contribs uploaded a new version of File:Atomic-carbon-3D-vdW.png (optipng -o7 -zm1-9 Atomic-carbon-3D-vdW.png → 18.50% decrease)
16:12, 1 February 2021 RokerHRO talk contribs uploaded a new version of File:Schleswig-Holstein 2010.png (optipng -o7 -zm1-9 → 19.33% decrease)
05:24, 5 June 2020 RokerHRO talk contribs uploaded a new version of File:CygnusOlorIUCN2019 2.png (optipng -o9 -zm1-9 => 28.27% decrease)
19:01, 4 November 2019 RokerHRO talk contribs uploaded File:Lyapunov-fractal-3D-ABCCAAB.png ({{Information |description ={{en|1=rendering of a 3D version of a lyapunov fractal with the sequence ABCCAAB}} {{de|1=Rendering einer 3D-Version eines Lyapunov-Fraktals mit der Sequenz ABCCAAB}} |date =2019-11-02 |source ={{own}} |author =User:RokerHRO }} Category:Lyapunov fractals Category:3D fractals Category:POV-Ray)
16:08, 15 July 2019 RokerHRO talk contribs uploaded File:Lyapunov fractal animation.webm ({{Information |description ={{en|1=Animation of a Lyapunov fractal with sequence ABBBCA with C running in time from 1.000 to 4.000, B from 3.100000000 to 4.100, B from 3.998888889 to 2.221111111}} {{de|1=Animation eines Lyapunov-Fraktals mit der Sequenz ABBBCA, mit C fortschreitend im Intervall von 1.000 bis 4.000, B (horizontal) von 3.100000000 bis 4.100 und A (vertikal) von 3.998888889 bis 2.221111111.}} |date =2019-07-15 |source ={{own}} |author =[[User:RokerH...)
09:16, 13 June 2019 RokerHRO talk contribs uploaded a new version of File:Karte der Häfen in Bremerhaven.png (optipng -o7 -zm1-9 --> 32.04% decrease)
05:15, 4 June 2019 RokerHRO talk contribs uploaded a new version of File:Iii symmetry mirrors.png (optipng -o7 -zm1-9 -> 58.92% decrease)
12:12, 14 February 2019 RokerHRO talk contribs uploaded a new version of File:Handshape equiv2.png (optipng -o7 -zm1-9 Handshape_equiv2.png => 54.50% decrease)
09:36, 5 October 2018 RokerHRO talk contribs uploaded File:3,001-Liter-Cola Bild3.jpg ({{Information |description ={{en|1=Detail view of a 3.001 liter cola bottle. so it does not require deposit in Germany (>3 liter)}} {{de|1=Detailansicht einer 3,001-Liter-Colaflasche, die in Deutschland pfandfrei ist, da über 3 Liter.}} |date =2009-07-21 |source ={{own}} |author =User:RokerHRO |other versions=thumb thumb }})
09:33, 5 October 2018 RokerHRO talk contribs uploaded File:3,001-Liter-Cola Bild2.jpg ({{Information |description ={{en|1= Image of a 3.001 liter cola bottle. so it does not require deposit in Germany (>3 liter)}} {{de|1=Bild einer 3,001-Liter-Colaflasche, die in Deutschland pfandfrei ist, da über 3 Liter.}} |date =2009-07-21 |source ={{own}} |author =User:RokerHRO |other versions=:File:3,001-Liter-Cola Bild1.jpg }} Category:Cola bottles)
09:31, 5 October 2018 RokerHRO talk contribs uploaded File:3,001-Liter-Cola Bild1.jpg ({{Information |description ={{en|1=Image of a 3.001 liter cola bottle. so it does not require deposit (>3 liter)}} {{de|1=Bild einer 3,001-Liter-Colaflasche, die in Deutschland pfandfrei ist, da über 3 Liter.}} |date =2009-07-21 |source ={{own}} |author =User:RokerHRO }} Category:Cola bottles)
09:42, 17 September 2018 RokerHRO talk contribs uploaded a new version of File:Hirlatz polygon.png (optipng -> 24.64% decrease)
13:27, 17 August 2018 RokerHRO talk contribs uploaded a new version of File:Kurzperiodensystem der Elemente.png (optipng -o7 -zm1-9 -> 15.60% decrease)
08:22, 1 June 2018 RokerHRO talk contribs uploaded a new version of File:Ärmelstreifen der SS.png (optipng -o7 -zm1-9 --> 59.35% decrease)
06:52, 12 May 2018 RokerHRO talk contribs uploaded a new version of File:Orkney Map.png (clipped unnecessary semi-transparent pixel rows at the top. optipng -o7 -zm1-9 -> reduction by 28%)
15:46, 11 April 2018 RokerHRO talk contribs uploaded File:Unifont-10.0.07-Complete.png ({{Information |description ={{en|1=Complete character table of the GNU Unifont version 10.0.7 (BMP & Non-BMP) – 256 glyphs per row}} {{de|1=Vollständige Zeichentabelle des GNU Unifont Version 10.0.7 - 256 Zeichen pro Zeile}} |source ={{own}} |author =User:RokerHRO |date =2018-04-11 }} made from unifont-10.0.07.hex and unifont_upper-10.0.07.hex with a self-written program & Gimp. :-) Category:GNU Unifont)
15:36, 11 April 2018 RokerHRO talk contribs uploaded File:Unifont-10.0.07-NonBMP.png ({{Information |description ={{en|1= Character table of the GNU Unifont version 10.0.7 for characters above the BMP}} {{de|1=Zeichentabelle aller "Nicht-BMP"-Zeichen des GNU Unifont Version 10.0.7.}} |source ={{own}} |author =User:RokerHRO |date =2018-04-11 }} made from unifont_upper-10.0.07.hex with a self-written program & Gimp. :-) Category:GNU Unifont)
14:39, 11 April 2018 RokerHRO talk contribs uploaded File:Unifont-10.0.07-256columns.png ({{Information |description ={{en|1=Basic Multilingual Plane Character table of the GNU Unifont version 10.0.7 (256 rows, 256 columns)}} {{de|1=Zeichentabelle aller "BMP"-Zeichen des GNU Unifont Version 10.0.7 (256 Zeilen, 256 Spalten)}} |source ={{own}} |author =User:RokerHRO |date =2018-04-11 |other versions=File:Unifont-10.0.07.png }} Category:GNU Unifont)
14:34, 11 April 2018 RokerHRO talk contribs uploaded File:Unifont-10.0.07-combining.png ({{Information |description ={{en|1=Basic Multilingual Plane Character table of the GNU Unifont version 10.0.7. Combining characters & PUA charachters are marked specially.}} {{de|1=Zeichentabelle aller "BMP"-Zeichen des GNU Unifont Version 10.0.7. "combining characters" und Zeichen der "private usage area" sind speziell gekennzeichnet}} |source ={{own}} |author =User:RokerHRO |date =2018-04-11 |other versions=File:Unifont-10.0.07.png }} made from unicode_sample-...)
14:19, 11 April 2018 RokerHRO talk contribs uploaded File:Unifont-10.0.07.png ({{Information |description ={{en|1=Basic Multilingual Plane Character table of the GNU Unifont version 10.0.7}} {{de|1=Zeichentabelle aller "BMP"-Zeichen des GNU Unifont Version 10.0.7 }} |source ={{own}} |author =User:RokerHRO |date =2018-04-11 }} Category:GNU Unifont)
23:51, 10 December 2017 RokerHRO talk contribs uploaded File:Wagner VII projection (white matte).jpg ({{Information |Description ={{en|1=Wagner VII map projection of the world's surface with white matte – made with a self-written C program}} {{de|1=Wagner-VII-Projektion der Erdobefläche mit weißem Hintergrund– Erstellt mit einem selbstgeschr...)
23:42, 10 December 2017 RokerHRO talk contribs uploaded File:Wagner VII projection.jpg ({{Information |Description ={{en|1=Wagner VII map projection of the world's surface – made with a self-written C program}} {{de|1=Wagner-VII-Projektion der Erdobefläche – Erstellt mit einem selbstgeschriebenen C -Programm}} |Source =...)
15:04, 19 August 2017 RokerHRO talk contribs uploaded a new version of File:Erste Weltumsegelung unter Magellan und Elcano.png (optipng -o7 -zm1-9 --> 40.00% decrease)
15:40, 3 February 2017 RokerHRO talk contribs uploaded File:Torus vectors radial.png ({{Information |Description ={{en|1=A contiuous tangential vector field on the surface of a torus. Made using Xfig, POV-Ray and Gimp. :-)}} {{de|1=Ein stetiges tangentiales Vektorfeld auf einer Torusoberfläche.}} |Source ={{own}} |Author...)
10:21, 18 January 2017 RokerHRO talk contribs uploaded File:Atan2-Red-Blue.png ({{Information |Description ={{en|1=Visualization of the values of the atan2() function in (-1,-1) … ( 1, 1). Blue = negative, Red = positive values, White = 0.}} {{de|1=Visualisierung der Werte der atan2()-Funktion im Intervall (-1,-1) … ( 1, 1)...)
20:22, 16 December 2016 RokerHRO talk contribs uploaded a new version of File:Apollonius LLP black.svg (show both solutions)
19:59, 16 December 2016 RokerHRO talk contribs uploaded a new version of File:Apollonius LPP black.svg (Show the 2nd circle in LLP case)
08:35, 23 November 2016 RokerHRO talk contribs uploaded a new version of File:NAT64.svg (Reverted to version as of 08:46, 4 November 2014 (UTC). The C000 is the right IPv6 address.)
16:23, 15 November 2016 RokerHRO talk contribs uploaded File:NetworkBlockDevice DeviceList HandshakeProtocolHexdump.png ({{Information |Description ={{en|1=Hexdump of the Initialization / Handshake between a Network Block Device client and server. Blue is "server to client" data. Red is "client to server" data.}} {{de|1=Hexdump des Datenverkehrs zwischen NBD-Client un...)
11:00, 27 September 2016 RokerHRO talk contribs uploaded File:Planes-to-icosahedron.ogv ({{Information |Description ={{en|1=visualization of 3 orthogonal golden rectangles whose corners forms the corners of an icosahedron}} {{de|1=Visualisierung von 3 orthogonalen Goldenen Rechtecken, dessen Ecken die Eckpunkte eines Ikosaeders bilden}}...)
15:57, 4 September 2016 RokerHRO talk contribs uploaded a new version of File:PeriodicVoronoiTessellation.png (optipng -i0 -o7 -zm1-9 --> 27.57% decrease)
15:45, 4 September 2016 RokerHRO talk contribs uploaded File:Voronoi-Norm3.ogv ({{Information |Description ={{en|1=Animated Voronoi diagram (with Minkowski distance p=3)}} {{de|1=animiertes Voronoi-Diagramm mit Minkowski-Distanz p=1.25}} |Source ={{own}} |Author =RokerHRO |Date =2016-...)
15:42, 4 September 2016 RokerHRO talk contribs uploaded File:Voronoi-Norm1.25.ogv ({{Information |Description ={{en|1=Animated Voronoi diagram (with Minkowski distance p=1.25)}} {{de|1=animiertes Voronoi-Diagramm mit Minkowski-Distanz p=1.25}} |Source ={{own}} |Author =RokerHRO |Date =20...)
15:18, 4 September 2016 RokerHRO talk contribs uploaded File:Voronoi-Norm1.ogv ({{Information |Description ={{en|1=Animated Voronoi diagram (with Taxicab distance)}} {{de|1=animiertes Voronoi-Diagramm (mit Manhattan-Metrik)}} |Source ={{own}} |Author =RokerHRO |Date =2016-09-04 |Permi...)
15:14, 4 September 2016 RokerHRO talk contribs uploaded File:Voronoi-NormMax.ogv ({{Information |Description ={{en|1=Animated Voronoi diagram (Chebyshev distance)}} {{de|1=Animiertes Voronoi-Diagramm (Maximum-Norm)}} |Source ={{own}} |Author =RokerHRO |Date =2016-09-04 |Permission =...)
15:08, 4 September 2016 RokerHRO talk contribs uploaded File:Voronoi-Norm2.ogv ({{Information |Description ={{en|1=Animated Voronoi diagram (with Euclidean metric)}} {{de|1=animiertes Voronoi-Diagramm (mit Euklidischer Metrik)}} |Source ={{own}} |Author =RokerHRO |Date = |Permission...)
12:34, 23 May 2016 RokerHRO talk contribs uploaded a new version of File:Windkraftanlagen in Deutschland.png (optipng → 16.93% decrease)
16:17, 23 April 2016 RokerHRO talk contribs uploaded a new version of File:Gezeitenpotential.png (optimized down to 41%)
13:19, 6 April 2016 RokerHRO talk contribs uploaded a new version of File:Soundfield Water 4MHz TransducerRadius5mm Focus30mm.png (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 43.74% decrease)
13:19, 6 April 2016 RokerHRO talk contribs uploaded a new version of File:Soundfield Water 4MHz TransducerRadius5mm.png (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 46.71% decrease)
13:15, 6 April 2016 RokerHRO talk contribs uploaded a new version of File:Echo-Impuls-Verfahren.PNG (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 31.64% decrease)
13:11, 6 April 2016 RokerHRO talk contribs uploaded a new version of File:Soundfield Water 4MHz TransducerRadius5mm SR67mm.png (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 52.55% decrease)
06:45, 5 April 2016 RokerHRO talk contribs uploaded a new version of File:Okavango Delta map.png (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 41.70% decrease)
10:00, 23 March 2016 RokerHRO talk contribs uploaded a new version of File:Druckverlauf bei einer Schnellbremsung.PNG (optipng -zc1-9 -zm1-9 -zs0-3 -f0-5 -i0 → 60.41% decrease)
16:12, 16 February 2016 RokerHRO talk contribs uploaded a new version of File:Doric-corner-conflict.png (optipng -i0 -o7 Doric-corner-conflict.png → 13.70% decrease)
12:47, 15 February 2016 RokerHRO talk contribs uploaded a new version of File:Moon-map.png (optipng -o7 -zm1-9 -i0 Moon-map.png → 55.07% decrease)