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Bibliographic Details
Main Author:	Fernando R. Contreras
Format:	Artículo científico
Language:	es
Published:	Grupo Comunicar 2001
Subjects:	Comunicación realidad virtual signo infográfico comunicación digital Estudios semiológicos
Online Access:	https://www.redalyc.org/articulo.oa?id=15801712
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author	Fernando R. Contreras
author_facet	Fernando R. Contreras
contents	El signo infográfico en la comunicación digital: de la presencia del vacío Fernando R. Contreras Comunicación realidad virtual signo infográfico comunicación digital Estudios semiológicos La manipulación y el tratamiento de las imágenes por ordenador han supuesto importantes cambios en los estudios semióticos sobre comunicación. El signo infográfico esun modo distinto de mirar el mundo que elabora una fenomenología tecno-comunicacional desde sus efectos sobre la experiencia humana. Además, estas transformacionestécnicas en el conocimiento de nuestro entorno están engendrando un nuevo paradigma epistémico basado en la construcción discursiva del efecto de verdad. 2001 artículo científico 1134-3478 https://www.redalyc.org/articulo.oa?id=15801712 es http://www.redalyc.org/revista.oa?id=158 Comunicar application/pdf Grupo Comunicar Comunicar (España) Num.17
format	Artículo científico
id	redalyc_15801712
language	es
publishDate	2001
publisher	Grupo Comunicar
spellingShingle	El signo infográfico en la comunicación digital: de la presencia del vacío Fernando R. Contreras Comunicación realidad virtual signo infográfico comunicación digital Estudios semiológicos El signo infográfico en la comunicación digital: de la presencia del vacío Fernando R. Contreras Comunicación realidad virtual signo infográfico comunicación digital Estudios semiológicos La manipulación y el tratamiento de las imágenes por ordenador han supuesto importantes cambios en los estudios semióticos sobre comunicación. El signo infográfico esun modo distinto de mirar el mundo que elabora una fenomenología tecno-comunicacional desde sus efectos sobre la experiencia humana. Además, estas transformacionestécnicas en el conocimiento de nuestro entorno están engendrando un nuevo paradigma epistémico basado en la construcción discursiva del efecto de verdad. 2001 artículo científico 1134-3478 https://www.redalyc.org/articulo.oa?id=15801712 es http://www.redalyc.org/revista.oa?id=158 Comunicar application/pdf Grupo Comunicar Comunicar (España) Num.17
title	El signo infográfico en la comunicación digital: de la presencia del vacío
topic	Comunicación realidad virtual signo infográfico comunicación digital Estudios semiológicos
url	https://www.redalyc.org/articulo.oa?id=15801712

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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Environment Variables empty

Registered Handlers

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