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SILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
MY FREE TILESET, VERSION 10 My laptop broke and I lose the newest versions of some of my drawing. Fortunately I had backups for most of them. I found out that I had not published the 10th version yet. Here it is. As usual is MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product. SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
ARDUINO AND JAVA
Arduino is a free popular platform for embedded programming based on a simple I/O board easily programmable. Interfacing it with Java allow us to create sophisticated interfaces and take advantages from the several API available in the Java ecosystem. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, SIMPLE TILE SET JavaFX, Simple Tile Set. Published by Silveira on 20 December, 2008. Tile sets are a very simple way to draw scenarios with repeated elements. From simple to complex ones using a very low footprint. First step, load the png file that stores the tileset into a Image. The file tiles.png shoud be in the same directory of the source code. MARCH 2009 – SILVEIRA NETO Another character for my pixelart free character set (see also the plain and the nerdy chars). Is a warrior in a armor with helmet and a red cape. With 2x zoom: And here him standing in a forest. JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision.SILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
MY FREE TILESET, VERSION 10 My laptop broke and I lose the newest versions of some of my drawing. Fortunately I had backups for most of them. I found out that I had not published the 10th version yet. Here it is. As usual is MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product. SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
ARDUINO AND JAVA
Arduino is a free popular platform for embedded programming based on a simple I/O board easily programmable. Interfacing it with Java allow us to create sophisticated interfaces and take advantages from the several API available in the Java ecosystem. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, SIMPLE TILE SET JavaFX, Simple Tile Set. Published by Silveira on 20 December, 2008. Tile sets are a very simple way to draw scenarios with repeated elements. From simple to complex ones using a very low footprint. First step, load the png file that stores the tileset into a Image. The file tiles.png shoud be in the same directory of the source code. MARCH 2009 – SILVEIRA NETO Another character for my pixelart free character set (see also the plain and the nerdy chars). Is a warrior in a armor with helmet and a red cape. With 2x zoom: And here him standing in a forest. JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision. MARCH 2020 – SILVEIRA NETO Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product. MAY 2020 – SILVEIRA NETO Mortal Kombat Arcade Cabinet from Arcade1UP – Part 4: Sound and lights. Published by Silveira on 17 May, 2020. Check out the all parts of the Mortal Kombat Arcade Cabinet from Arcade1UP serie: Part 1: out of the box. Part 2: Raspberry PI and custom buttons and joystick. Part3: More buttons.
OPENCV: HUE, SATURATION AND VALUE. OpenCV: Hue, Saturation and Value. Published by Silveira on 8 December, 2009. Here a simple OpenCV example of separation of a image into its hue, saturation and value channels. #include #include #include int main ( int argc, char ** argv ){ IplImage * img, * hsv, * hue, * sat, * val; int key = 0, depth; CvSize size JAVAFX, RECTANGULAR COLLISION DETECTION In the main code I some important things: colide, a color that represents the collision effect.White means no collision and gray means collision. rec1 and rec2, the two rectangles that can collide.; checkcollision() the function that checks and handles a possible collision. Here is the main code: IMAGEMAGICK, FOUR POINT PERSPECTIVE DISTORTION IN A VIDEO Step 2) Transform the video in a series of PNGs. mplayer -nosound -vo png:z=9 zelda_720p.mp4. This generated image files ranging from 00000001.png to 00007563.png. Step 3) Using Gimp, find the 2 sets of 4 points for the perspective. The first in red is the source and the one in blue is the destination. Step 4) Apply ImageMagick’s four point OPENCV: EDGE DETECTION OpenCV: Edge Detection. Published by Silveira on 4 December, 2009. This is a simple example of how pass edge detection in a video using OpenCV. It uses the built-in OpenCV Canny edge detector algorithm. #include #include #include int main (int argc, char * argv ) { int delay = 0, key =0, i =0; char * window_nameGIMP SMALL MIRACLES
Some times a good picture is ruined by a little detail or someone that shouldn’t be there. If you are willing to trade a complete portraying of the reality for a better photo, here are some tips for Gimp.Use them wisely. JAVAFX, EASY USE OF TILES JavaFX, easy use of tiles. Published by Silveira on 6 January, 2009. Continuing my little JavaFX framework for game development, right now focused on use those tiles I’m drawing and posting here in my blog. This framework will be a group of classes for simplify and hide some complexities of common game development.OCTOBER 2011
And again, this year people got more scared than I was expecting. It looks like Sandman (Wesley Dodds) or Spy vs. Spy.. My idea was get some stuff from wardrobe and spend a little on a special item that after the Halloween would not be completely useless.FEBRUARY 2009
A um tempo atrás eu comprei uma câmera nova pra mim. Como eu não quero posso comprar uma câmera boa mesmo agora eu preferi comprar uma bem barata que fizesse o básico. Uma câmera de preço médio iria ter poucas funções e eu iria ficarSILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
LISTA 8 DE MATEMÁTICA FINANCEIRA Exercícios “Séries Uniformes e Variáveis – Rendas”. Lista de exercícios 8. Professor Manoel Ribeiro, Disciplina Matemática Financeira, Universidade Federal do Ceará.. obs: devido há limitações, onde há sn⅂i leia-se s n cantoneira i, que é o mesmo que ((1+i) n-1)/i.Também conhecido como fator de acumulação de capital após uma série de pagamentos. EXERCÍCIOS DE DESCONTOS (SIMPLES E COMPOSTOS) Exercícios de Descontos (Simples e Compostos) Exercícios “Séries Uniformes e Variáveis – Rendas”. Lista de exercícios 8. Professor Manoel Ribeiro, Disciplina Matemática Financeira, Universidade Federal do Ceará. Questão 1. Um banco ao descontar notas promissórias, utiliza o desconto comercial a uma taxa de juros simples de 12% a.m.. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision. ERRO ABSOLUTO E ERRO RELATIVO O erro absoluto é EA = (x – x´) e o erro relativo é ER = (x – x´) / x ; sendo que x é o valor exato da função, integral, derivada, e x´ é o valor obtido através de algum método numérico para avaliar a função, derivada, integral, solução de EDO, EDP,etc.. em um ponto.
FAMÍLIA SIMPSONS EM PROLOG Família Simpsons em Prolog Blog do Silveira: Porque até pra fazer programa você tem que estuda Ah, minhas aulas de IA! (tags: prolog)EXEMPLOS DE PROLOG
Exemplos de Prolog. Published by Silveira on 29 August, 2007. Prolog é uma linguagem de programação geralmente usada para inteligência artificial e linguística computacional. Faz um tempo que eu não uso Prolog então esse é meio um tutorial relâmpago para eu relembrar um pouco. São um apanhado de exemplos básicos e um guia deSILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
LISTA 8 DE MATEMÁTICA FINANCEIRA Exercícios “Séries Uniformes e Variáveis – Rendas”. Lista de exercícios 8. Professor Manoel Ribeiro, Disciplina Matemática Financeira, Universidade Federal do Ceará.. obs: devido há limitações, onde há sn⅂i leia-se s n cantoneira i, que é o mesmo que ((1+i) n-1)/i.Também conhecido como fator de acumulação de capital após uma série de pagamentos. EXERCÍCIOS DE DESCONTOS (SIMPLES E COMPOSTOS) Exercícios de Descontos (Simples e Compostos) Exercícios “Séries Uniformes e Variáveis – Rendas”. Lista de exercícios 8. Professor Manoel Ribeiro, Disciplina Matemática Financeira, Universidade Federal do Ceará. Questão 1. Um banco ao descontar notas promissórias, utiliza o desconto comercial a uma taxa de juros simples de 12% a.m.. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision. ERRO ABSOLUTO E ERRO RELATIVO O erro absoluto é EA = (x – x´) e o erro relativo é ER = (x – x´) / x ; sendo que x é o valor exato da função, integral, derivada, e x´ é o valor obtido através de algum método numérico para avaliar a função, derivada, integral, solução de EDO, EDP,etc.. em um ponto.
FAMÍLIA SIMPSONS EM PROLOG Família Simpsons em Prolog Blog do Silveira: Porque até pra fazer programa você tem que estuda Ah, minhas aulas de IA! (tags: prolog)EXEMPLOS DE PROLOG
Exemplos de Prolog. Published by Silveira on 29 August, 2007. Prolog é uma linguagem de programação geralmente usada para inteligência artificial e linguística computacional. Faz um tempo que eu não uso Prolog então esse é meio um tutorial relâmpago para eu relembrar um pouco. São um apanhado de exemplos básicos e um guia de MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product. MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Part 1: out of the box. Part 2: Raspberry PI and custom buttons and joystick. Part 3: More buttons. Part 4: Sound and lights. I decided to add a second control deck to this cabinet using the wood panel that already came with the original machine. My initial plan was to add 4 more buttons so each player would have 2 extra buttons for games that MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Mortal Kombat Arcade Cabinet from Arcade1UP – Part 4: Sound and lights. Published by Silveira on 17 May, 2020. Check out the all parts of the Mortal Kombat Arcade Cabinet from Arcade1UP serie: Part 1: out of the box. Part 2: Raspberry PI and custom buttons and joystick. Part3: More buttons.
MPI CLIENT/SERVER
First I run the server with: $ mpirun -np 1 servidor. portname: 0.1.0:2000. so I get the portname and use it as parameter for the client: $ mpirun -np 1 cliente 0.1.0:2000. and get this error: Trying connect to 0.1.0:2000. ORTE_ERROR_LOG: Pack data mismatch in file dss/dss_unpack.c at OPENCV: HUE, SATURATION AND VALUE. OpenCV: Hue, Saturation and Value. Published by Silveira on 8 December, 2009. Here a simple OpenCV example of separation of a image into its hue, saturation and value channels. #include #include #include int main ( int argc, char ** argv ){ IplImage * img, * hsv, * hue, * sat, * val; int key = 0, depth; CvSize size MARCH 2009 – SILVEIRA NETO Another character for my pixelart free character set (see also the plain and the nerdy chars). Is a warrior in a armor with helmet and a red cape. With 2x zoom: And here him standing in a forest.ARDUINO AND JAVA
Arduino is a free popular platform for embedded programming based on a simple I/O board easily programmable. Interfacing it with Java allow us to create sophisticated interfaces and take advantages from the several API available in the Java ecosystem.PASSÉ COMPOSE
Passé Compose. Um resumo do passé composé com être e avoir. O passé composé é utilizado para falar de ações que foram completadas no passado, sem relação com o presente. Um momento preciso: Hier, je suis allé à la plage. Uma repetição: Je suis allé 4 fois au cinéma. Uma sucessão: Je suis allé à la plage,j’ai rencontré
JAVAFX, EASY USE OF TILES JavaFX, easy use of tiles. Published by Silveira on 6 January, 2009. Continuing my little JavaFX framework for game development, right now focused on use those tiles I’m drawing and posting here in my blog. This framework will be a group of classes for simplify and hide some complexities of common game development. WINDOWS 10 INSTALLATION ERROR 0X80300024 “We couldn’t install Windows in the location you chose. Please check your media drive. Here’s more info about what happened: 0x80300024” Just remove all drivers except the oSILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
MY FREE TILESET, VERSION 10 My laptop broke and I lose the newest versions of some of my drawing. Fortunately I had backups for most of them. I found out that I had not published the 10th version yet. Here it is. As usual is MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product.ARDUINO AND JAVA
Arduino is a free popular platform for embedded programming based on a simple I/O board easily programmable. Interfacing it with Java allow us to create sophisticated interfaces and take advantages from the several API available in the Java ecosystem. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, SIMPLE TILE SET JavaFX, Simple Tile Set. Published by Silveira on 20 December, 2008. Tile sets are a very simple way to draw scenarios with repeated elements. From simple to complex ones using a very low footprint. First step, load the png file that stores the tileset into a Image. The file tiles.png shoud be in the same directory of the source code. MARCH 2009 – SILVEIRA NETO Another character for my pixelart free character set (see also the plain and the nerdy chars). Is a warrior in a armor with helmet and a red cape. With 2x zoom: And here him standing in a forest. JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision.SILVEIRA NETO
Published by Silveira on 1 March, 2021. While nostalgia does play a part in my interest for retro technologies, it is not my only motivation on exploring this subject. There is a lot to learn from previous technologies designs that can be applied. There are patterns that are common. 1. Learning to reuse. MACKIE CR3 STUDIO MONITORS REPAIR LOG Problem: No sound coming out of the speakers. In the beginning the sound would come and go. Then the sound stopping became more frequent until being completely mute. What is working: The headphone output is working fine. With it I could test that the auxiliary input (frontpanel) is
SIMPLE JAVA CHRONOMETER Published by Silveira on 15 March, 2008. A very simple Java chronometer code (inspired in the chronometer code in Opale project) you can use for simples measures. In the main method there’s a example of use. public final class Chronometer { private long begin, end; public void start (){ begin = System. currentTimeMillis(); }public void stop
MY FREE TILESET, VERSION 10 My laptop broke and I lose the newest versions of some of my drawing. Fortunately I had backups for most of them. I found out that I had not published the 10th version yet. Here it is. As usual is MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Installing the controller board. The original monitor from an Arcade1UP cannot be directly used with a video cable like HDMI. I’m using this kit for this. Make sure the code in the back of the Arcade1UP monitor matches the one in the description of the product.ARDUINO AND JAVA
Arduino is a free popular platform for embedded programming based on a simple I/O board easily programmable. Interfacing it with Java allow us to create sophisticated interfaces and take advantages from the several API available in the Java ecosystem. SIMPLE JAVA TILESET EXAMPLE Simple Java Tileset Example. Published by Silveira on 28 April, 2008. Tilesets are a common technique in game development to create all kinds of tile-based games (from strategy to RPG games). Here’s a example of simple 2D isometric square tilesets. I decided to use 32×32 pixels tiles and store 10 tiles per row in a single image: JAVAFX, SIMPLE TILE SET JavaFX, Simple Tile Set. Published by Silveira on 20 December, 2008. Tile sets are a very simple way to draw scenarios with repeated elements. From simple to complex ones using a very low footprint. First step, load the png file that stores the tileset into a Image. The file tiles.png shoud be in the same directory of the source code. MARCH 2009 – SILVEIRA NETO Another character for my pixelart free character set (see also the plain and the nerdy chars). Is a warrior in a armor with helmet and a red cape. With 2x zoom: And here him standing in a forest. JAVAFX, HOW TO CREATE A RPG LIKE GAME JavaFX 1.0 is out and there are tons of new cool features, specially for game development.trans. I’ll show in this tutorial how to create a very simple demo that shows how to load imtrages, handle sprites, collisions and keyboard events that you can use to create a game with a old school rpg like vision.JANUARY 2021
The KORG microKORG is a great synthesizer and vocoder launched in 2002. It does not feature a USB port but you can use a interface to convert MIDI to USB and use it to play with an iPad Pro (4th generation) launched in 2020.. This is a setup that I use to composeor play in
MY FREE TILESET, VERSION 10 My laptop broke and I lose the newest versions of some of my drawing. Fortunately I had backups for most of them. I found out that I had not published the 10th version yet. Here it is. As usual is ARCADE – SILVEIRA NETO It’s powered by a regular power outlet. Dimensions: This unit (with the raiser at the bottom) weight 58.5 lbs (26.5 kg) and have height of 45.8” (116.33 cm), length of 22.75” (58.78 cm), and width 19″ (48.26 cm). It is said that Arcade1UP machines are 3/4 of the size of a regular arcade cabinet. MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Part 1: out of the box. Part 2: Raspberry PI and custom buttons and joystick. Part 3: More buttons. Part 4: Sound and lights. I decided to add a second control deck to this cabinet using the wood panel that already came with the original machine. My initial plan was to add 4 more buttons so each player would have 2 extra buttons for games that OPENCV: HUE, SATURATION AND VALUE. OpenCV: Hue, Saturation and Value. Published by Silveira on 8 December, 2009. Here a simple OpenCV example of separation of a image into its hue, saturation and value channels. #include #include #include int main ( int argc, char ** argv ){ IplImage * img, * hsv, * hue, * sat, * val; int key = 0, depth; CvSize size IMAGEMAGICK, FOUR POINT PERSPECTIVE DISTORTION IN A VIDEO Step 2) Transform the video in a series of PNGs. mplayer -nosound -vo png:z=9 zelda_720p.mp4. This generated image files ranging from 00000001.png to 00007563.png. Step 3) Using Gimp, find the 2 sets of 4 points for the perspective. The first in red is the source and the one in blue is the destination. Step 4) Apply ImageMagick’s four point OPENCV: EDGE DETECTION OpenCV: Edge Detection. Published by Silveira on 4 December, 2009. This is a simple example of how pass edge detection in a video using OpenCV. It uses the built-in OpenCV Canny edge detector algorithm. #include #include #include int main (int argc, char * argv ) { int delay = 0, key =0, i =0; char * window_name JAVAFX, EASY USE OF TILES JavaFX, easy use of tiles. Published by Silveira on 6 January, 2009. Continuing my little JavaFX framework for game development, right now focused on use those tiles I’m drawing and posting here in my blog. This framework will be a group of classes for simplify and hide some complexities of common game development.FEBRUARY 2009
A um tempo atrás eu comprei uma câmera nova pra mim. Como eu não quero posso comprar uma câmera boa mesmo agora eu preferi comprar uma bem barata que fizesse o básico. Uma câmera de preço médio iria ter poucas funções e eu iria ficar JAVA: ACCESSING PRIVATE MEMBERS Sim, metaprogramação em Java, meio burocrática mas bem completa. IHMO, eu tenho a tese de que essa coisa toda de privada/protegido não faz muito sentido nem é tem muita utilidade prática, e que na verdade reflete a maneira de pensar corrente (privativo e protecionista) no momento da criação desses conceitos.Skip to content
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carbon-based lifeform. virgo supercluster open primary menu __* __ twitter
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Mortal Kombat Arcade Cabinet from Arcade1UP MORTAL KOMBAT ARCADE CABINET FROM ARCADE1UP Published by Silveira on31 October, 2019
This is the Mortal Kombat Arcade Cabinet from Arcade1UP. It’s a complete
arcade machine with a smaller size. Out of the box (and after assembly) this machine can play 3 original Mortal Kombat games: * Mortal Kombat (1992) * Mortal Kombat II (1993) * Ultimate Mortal Kombat 3 (1995) It comes with everything you need to play the games. It has joysticks for 2 players, embedded screen and sound. It’s powered by a regularpower outlet.
DIMENSIONS: This unit (with the raiser at the bottom) weight 58.5 lbs (26.5 kg) and have height of 45.8” (116.33 cm), length of 22.75” (58.78 cm), and width 19″ (48.26 cm). It is said that Arcade1UP machines are 3/4 of the size of a regular arcade cabinet. The riser has length of 20.5″ (52.07 cm), width of 19.75″ (50.17 cm) and height of 13.25″ (33.65 cm). With the raiser, it has a perfect size for me with controls and monitors at the right height. Seating at the stool makes it even more comfortable. This machine has the Raiden painted on it’s side just like the original MK2 machine. This is probably my favorite thing about thiscabinet.
Dog for size comparison. Dog not included.GAMEPLAY
While this is not an original Midway arcade system board, all gameplay is executed through some form of emulation. You don’t have to deal with any artifacts of emulation or even have to think about it. The machine just works. You turn it on and you are playing Mortal Kombat in a few seconds. No coins. No charging gamepads batteries. No software updates. No DLCs. No cables. No wifi. No where is the TV remote. Just Mortal Kombat one simple power button away from you. All games are working perfectly. I could not notice any flaws. I’m sure some arcade hard-core enthusiast will find some minor obscure detail that is different from an original coin operated vintage machine but I could not notice any difference. The emulation is straight forward, there are no filters, no settings,no save states.
This of course uses LCD screen and not a big CRT monitor. The screen is 17″ which is a great size. As everything else, you can’t change brightness, contrasts, or anything. However, I have no problems with the default configurations it came with.light up marquee
CONTROL DECK
The control deck can support up to 2 players. Each player has 7 buttons and a joystick. The start button is wired to the start input and the coin input. So by pressing start is the same as inserting a coin and pressing start. There is a power switch for the whole machine. There is a volume switch with 3 states: mute, medium andhigh.
The buttons are not great but usable and functional. They have a cheap feeling and don’t make a characteristic click when you press them. However, they work, they submit the input and have the proper size. The joystick also is functional, clicky and usable but could be of better quality. I like that they use a bat top handle which I find preferable for fight games and is the same type used in the originalMK machines.
This one comes with the transparent deck protector to avoid scratchesin the deck paint.
It’s a okay control deck. Keep in mind that arcade controls is a whole field for hobbyists with many different brands of joysticks, buttons, and setups. All with very broad price ranges. Mortal Kombat custom stoolSTOOL
The Mortal Kombat custom stool is great. I would probably never buy this one by itself but I’m glad I have it now. It has a glossy finish that looks great. It feels great, it’s comfortable and while you cannot adjust the height I found it just perfect for this machine.MARQUEE LIGHT
This is a great addition to this machine. It really enhances the look and feel of an arcade machine. That is something that I definitely would add to any Arcade1UP machine. It’s just a plastic piece with a light behind it. My only criticism is that the colors of the marquee are a little bit desaturated.PRICING
I bought this bundle at Costco and it set me back US$ 350. All prices mentioned here are without taxes, fees and shipping. This bundle includes the machine and a custom stool, light up marquee, custom riser, and the arcade cabinet. These are some current prices for everything individually. * MK custom stool: I found it at GameStopfor US$ 80.
* MK light up marquee: I found one at Amazonfor US$ 60.
* MK Arcade1up: you can find it at Walmartfor US$ 299.
* Deck protector: Arcade1UP sell them for around US$ 12.50. * MK custom riser: it seems to be exclusive at the moment but you can buy a standard riser at Walmartfor US$ 49 and
a set stickers at eBay US$ 55 (total US$ 104) or buy a bundle of arcade and riser at Walmartfor US$ 379.
Therefore, right now to replicate this Costco bundle elsewhere it would cost US$ 531.50, i.e. US$ 181.50 more than Costco. However, these prices fluctuate. These units are heavy and large (45.8”H x 22.75”L x 19”W), therefore occupying a lot of shelf space and they are expensive to ship too. So it’s been common to see the prices of them getting lower (examples)
and it’s predictable that during Black Friday and holidays they will go lower again. However, in my personal experience these deals sell fast and I have made several unsuccessful trips trying to get one fora lower price.
Also, let’s keep some things in perspective here for price. First, a real Mortal Kombat II arcade machine is much more expensive, starting from around US $1000. Second, Costco is a paid membership based store. If you are comparing prices keep in mind that you can’t buy at Costco without a membership (starting at US$ 60).ASSEMBLY
The pieces themselves are well LABELED with codes. However, the boxes didn’t have any labels. After you open all the boxes and found all the pieces, the assembly can go smoothly. The process is almost the same to assemble an IKEA furniture. These were some of the problems I faced during the assembly: * The pictures for the monitor in the manual did not match the real monitor. That’s because the manual is generic for all machines but machines are slightly different. * One package of screws was mislabeled. * There was misalignment when mounting the screen piece to the cabinet. That was the only hard part of the assembly. * The back panel was missing the screw holes to align to the screwholes inside.
Fore reference, here is the Arcade1UP complete assembly manual.
SECRET MENU
You have to do this when the machine is in demo mode inside one of the games. With Player 1, hold the buttons RUN + BLOCK. With player 2, hold the buttons JUMP (UP) + LOW PUNCH + HIGH KICK + START (player 2). Hold them all for 5 seconds. You are now in the Test Menu. Here you can run tests and change settings such difficulty and volume. This is not an Arcade1UP menu, it’s the original test menu from the arcade games. This was supposed to be used by the arcade owner (and not the arcade player) to change settings, reset high scores, see statistics and change prices.CONCLUSION
This product has a limited scope and great execution. It’s a simple machine that does one thing and it does it well: retro arcade Mortal Kombat. It has a sweet point of compromise between an humongous original arcade and a convenient little console while keeping all the characteristics that it feel like an original arcade experience.Arcade1UP machines
Arcade1UP has a great product but they are iterating very well. They started with older titles and are now expanding for some other franchises. They are also experimenting with different arcade types. I hope they keep improving the quality of their products. While there are ports or emulation of MK 1-3 on pc and modern devices you just can’t emulate the feeling of playing with an arcade machine with all colors, lights, and size. This is a device for someone for is seeking this feeling. And while I like Mortal Kombat and this machine, the main reason I bought it was to use it as base for further enhancements and modifications. I’m replacing all button, joysticks, lights, computer, and who knows what more. I will transform this machine into a multi-arcade beast with my favorite games. TWO INTERESTING RESOURCES ABOUT WEWORK Published by Silveira on8 October, 2019
The first, the article WeWork and Counterfeit Capitalismby Matt Stoller.
The second, the Episode 943: Unicorn Cowboy from NPR’s Planet Money podcast. PALETA AZUL-ROSA 4 TONS Published by Silveira on12 August, 2019
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PALETTE VINIK24
Published by Silveira on6 August, 2019
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EDUARDO & MÔNICA, UM INFOGRÁFICO Published by Silveira on4 August, 2019
Gundam RX-78-2 HG
GUNDAM RX-78-2 HG
Published by Silveira on3 August, 2019
A primeira vez que eu vi um Gundam foi em uma livro de referência para desenhos de robôs e outras formas mecânicas. Naturalmente aquilo se alojou na minha cabeça no grande espaço aberto pela onda tokusatsu no Brasil nos anos 80/90. Agora surgiu a oportunidade de pegar meu primeiro kit de Gundam, os chamados Gunplas. Esse é um GUNPLA. Gunpla é um brinquedo montável. Gunplas é a junção das palavras Gundam e plástico. Gundam é essencialmente uma franquia de mídia de robôs gigantes que começa com desenhos animados em 1979 e abrange também jogos, brinquedos, filmes, mangás e até livros. VOCÊ COMPRA UM KIT E MONTA UM ROBÔ. Na maioria dos casos, as peças já vem pintadas mas você pode adicionar detalhes usando canetas e tintas, ou mesmo repintar as peças inteiras pra adicionar detalhes. Eu vou mostrar aqui alguns dos passos da montagem do modelo Gundam RX-78-2 HG (High Grade). Apesar desse modelo ser bem rico em detalhes o HG é o hoje o modelo mais básico e menos detalhado.CONTEÚDO DA CAIXA
Conteúdo da caixa: peças e manual. O kit é composto basicamente de painéis de plástico colorido. Todas as peças são de um plástico de uma cor só, sem pintura. Logo você não vai ter aquele efeito que alguns brinquedos tem onde se você arranhar o plástico outra cor aparece. Painéis A, B, C, SB e PC. Como os gunplas são importados do Japaão, o manual está em japonês. Porém ele é bem explicado visualmente então não é preciso saber ler japonês nesse kit. Se necessário, você pode consultar essa lista de símbolos comuns em kits da Bandai.
Todos os painéis fora do plástico.MONTAGEM
O processo de montagem é basicamente: olhar o manual para ver as peças que você precisa pra cada passo. Por exemplo, o primeiro passo do torço necessita das peças A-6 e A-12. Aí você vai na placa A e corta as peças 6 e 12. Depois junta as duas peças somente com fricção. Nenhuma cola é usada. Cortando a peça B-6. A exceção a regra foram alguns adesivos. Por exemplo nos olhos do robô. Tudo aqui é muito pequeno (esse kit é de proporções 1/144) e é preciso muito cuidado na hora de aplicar os adesivos e cortar peças. Seria fácil perder uma peça durante a montagem e não há peças reservas nesse kit.Adesivos do kit.
Além das cores que variam entre os painéis há também vários tipos de plástico. A espada por exemplo é de um plástico transparente. As peças mais internas que vão fazer fricção para se juntar (como num lego) são de um plástico bem macio e fácil de cortar. Outras peças são de um plástico um pouco mais duro. Uma peça do exaustor do foguete antes de retirar os excessos deplástico.
FERRAMENTAS
A ferramenta mínima pra se montar um gunpla desse tipo é um alicate de corte qualquer. Qualquer alicate de corte funcionaria mas existem um mundo de alicates de cortes voltados pra essa atividade. Eu comprei um pequeno kit de ferramentas pra miniaturas que inclui um alicate de corte e algumas lixas. As lixas são para tirar os excessos deplástico.
Alicate de corte para miniaturas. Os excessos de plástico acontecem entre a peça e os plásticos que a unem ao painel. Se você cortar muito perto do painel vai ficar muito excesso. Se você cortar muito perto da peça o corte vai gerar uma tensão que geralmente deixa uma marca branca. Isso porque o alicate está comprimindo o plástico até ele partir. Esse pontinho branco foi deixado por um corte mal feito. O truque que eu encontrei online é cortar com muito excesso e depois ir fazendo cortes menores até quase não haver mais excesso. Então usar as lixas pra lixar o plástico até não haver mais excesso. Posteriormente é possível pintar por cima.ACESSÓRIOS
Eu não mostrei aqui mas o kit também contém um escudo, duas espadas, uma bazuca e um rifle. Também vêm diversas mãos diferentes que você pode trocar pra ele segurar esses acessórios.CUSTOS
O kit do Gundam RX-78-2 HG saiu por US$ 13.94 na Amazon. Eu já encontrei ele um pouco mais barato em sites especializados mas com enviado do Japão, então levaria um tempo pra chegar. Um ótimo preço considerando que isso não só é um kit de montagem que traz um entretenimento na própria montagem mas também é um boneco extremamente articulado e detalhado. P.S.: muita gente usaria o termo “action figure” pra um boneco detalhado e caro mas eu acho esse um termo presunçoso e também um neologismo desnecessário. Esse é um dos kits mais simples (HG), pequenos (1/144) e baratos. Outros kits do mesmo tamanho em HG giram em torno de US$ 20. Kits de 1/144 em maior complexidade de detalhes (RG, Real Grade) custam o dobro ou mais. Kits maiores custam várias vezes esse valor. Não é incomum eu me deparar com gunplas que custam pra lá de US$ 300.PRÓXIMOS PASSOS
Modelismo e montagem de miniaturas é uma atividade de lazer que geral tem uma barreira de entrada alta devido a necessidade de se pintar os modelos. A pintura além de uma atividade em si só demanda a compra de uma série de equipamento e suprimentos especializados para a pintura de miniaturas e modelos. Os gunplas oferecem um atalho trazendo peças já coloridas, encaixes fáceis que não precisam de cola e um resultado final que é tanto um modelo como um boneco. Tudo isso dentro de um universo de robôs gigantes e um longo folclore Gundam que se extende desde 1979 através de animações, quadrinhos (mangás), jogos, filmes e até livros. A não necessidade de pintura não quer dizer que você não possa pintar Gunplas. Muito pelo contrário, você pode desde adicionar detalhes, envelhecimentos, marcas de combate, ou até mesmo repintarum gunpla inteiro.
E é isso que eu pretendo fazer. Eu vou usar algumas tintas que eu já tenho pra adicionar alguns detalhes nesse robô e vou documentar o processo e o resultado final em uma próxima postagem.POSTS NAVIGATION
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