Archivo: Monumento a Leonardo da Vinci en Milán.svg

Resumen

DescripciónMonumento a Leonardo da Vinci en Milán.svg	Inglés: SVG interactivo por CMG Lee del monumento a Leonardo da Vinci en Milán. Muévase hacia la izquierda y hacia la derecha sobre la imagen SVG para rotar la vista 3D.
Fuente	Propio trabajo
Autor	Cmglee
Otras versiones	Obras derivadas de este archivo:  Monumento a Leonardo da Vinci a Milano.svg

interactive_svg_filmstrip.py

#! / usr / bin / env python import  re ,  json## http://stackoverflow.com/questions/3503879 subproceso de importación  , sys def system ( comando , is_verbose = False ): if ( is_verbose ): sys . stdout . write ( comando ) ## write omite newline stdout = str ( subprocess . check_output ( command , shell = True )) if ( is_verbose ): print (              ":"  +  stdout )  return  stdoutimport  os.path  ## para verificar si el archivo existe def  mkdir_cache ( is_refresh_cache = False ,  is_verbose = False ,  suffix = '.cache /' ):  basename  =  __file__ [: __file__ . rfind ( '.' )]  dir_cache  =  nombre base  +  sufijo  if  ( is_refresh_cache ):  para  ( dir ,  dirs ,  nombres de archivo )  en  os .caminar ( dir_cache ,  de arriba hacia abajo = Falso ):  OS . rmdir ( dir )  if  ( is_verbose ):  print ( "eliminar {dir_cache} " . format ( ** locals ()))  if  ( no  os . path . existe ( dir_cache )):  if  ( is_verbose ):  print ( "make { dir_cache} " . formato (** locales ()))  os . makedirs ( dir_cache )  elif  ( is_verbose ):  print ( " {dir_cache} ya existe" . format ( ** locals ()))  return  dir_cache## http://www.techrepublic.com/article/parsing-data-from-the-web-in-python/ try :  import  urllib2  ## para acceso web excepto  ImportError :  import  urllib.request  as  urllib2 import  time  ## para dormir def  read_webpage ( url ,  path_cache = '' ,  is_refresh_cache = False ,  is_verbose = False ):  dir_cache  =  mkdir_cache ( is_refresh_cache = is_refresh_cache , is_verbose = is_verbose )  if  ( no  path_cache ):  path_cache  =  dir_cache  +  urllib2 . quote ( url ,  safe = '' )  if  ( is_refresh_cache  o  ( no  os . path . isfile ( path_cache ))):  html  =  urllib2 . urlopen ( url ) . read ()  file_html  =  abrir( path_caché ,  'wb' )  file_html . write ( html )  if  ( is_verbose ):  print ( "buscar {url} en {path_cache} " . formato ( ** locals ()))  hora . sleep ( 1 )  ## evita el error de límite de velocidad excedido  else :  file_html  =  open ( path_cache ,  'rb' )  html  =  file_html .read ()  if  ( is_verbose ):  print ( "leer desde {path_cache} " . format ( ** locals ()))  file_html . cerrar ()  devolver  html## http://stackoverflow.com/questions/3715493import base64def base64_encode(path): with open(path, 'rb') as file: return base64.b64encode(file.read()).decode('ascii')def make_svg(url, increment, message_action): if (message_action == '3D' ): message_action = 'to rotate the 3D view' if (message_action == 'time'): message_action = 'to move through time' dir_cache = mkdir_cache() filename = url[url.rfind('/')+1:] if (url.find('://') > 0): ## assume URLs have "://" and folder paths don't is_folder = False dir_frame = dir_cache ## Get image URL if description page URL given if (filename.lower().find('file:') == 0): filename = filename[filename.rfind(':') + 1:] path_html = '{dir_cache}{filename}.htm'.format(**locals()) html = read_webpage(url, path_html, is_verbose=True) url = 'http:' + re.search(r'//upload\.[^"]+' + filename, html).group(0) print(url) ## Fetch image if needed basename = filename[:filename.rfind('.')] path_gif = dir_cache + filename path_basename = path_gif[:path_gif.rfind('.')] read_webpage(url, path_gif, is_verbose=True) ## Extract GIF animation frames if needed if (os.path.isfile('{dir_cache}{basename}-0.png'.format(**locals()))): print("skip extracting GIF animation frames") else: print("extract GIF animation frames") system('magick "{path_gif}" -coalesce "{path_basename}.png"'.format(**locals()), is_verbose=True) else: is_folder = True dir_frame = url.strip('/') + '/' basename = url[url.strip('/').rfind('/')+1:] ## Base64-encode frames if needed path_json = dir_cache + basename + '.json' jsons = {} n_image = 0 n_frame = 0 if (0): # if (os.path.isfile(path_json)): file_json = open(path_json, 'r') jsons = json.loads(file_json.read()) n_frame = jsons['n_frame'] out_image = jsons['out_image'] width_image = jsons['width_image'] height_image = jsons['height_image'] else: ## Count frames n_image = 0 if (is_folder): path_images = ['{dir_frame}{filename}'.format(**locals()) for filename in os.listdir(dir_frame)] else: path_images = ['{dir_frame}{path}'.format(**locals()) for path in os.listdir(dir_frame) if path.find(basename) == 0 and path[-3:] == 'png'] # Natural sort based on http://stackoverflow.com/a/5967539 path_images = sorted(path_images, key=lambda x:[int(c) if c.isdigit() else c for c in re.split('(\d+)', x)]) n_image = len(path_images) ## Base64-encode relevant frames n_frame = int(n_image / abs(increment)) out_images = [] for i_frame in range(n_frame): i_image = i_frame * increment + (0 if (increment > 0) else n_image + increment) path_frame = path_images[i_image] stdout = system('magick "{path_frame}" info:'.format(**locals()), is_verbose=True) (width_image, height_image) = [int(dim) for dim in re.search(r'\d+x\d+', stdout).group(0).split('x')] base64_encoded = base64_encode(path_frame) out_images.append('''\ <image id="image_{i_frame}" x="0" y="0" width="{width_image}" height="{height_image}" xlink:href="data:image/png;base64,{base64_encoded}"/>\'''.format(**locals())) out_image = '\n'.join(out_images) jsons = {'out_image':out_image, 'width_image' :width_image, 'n_frame' :n_frame , 'height_image':height_image} file_json = open(path_json, 'w') try: ## use try/finally so that file is closed even if write fails file_json.write(json.dumps(jsons, indent=1, separators=(',',':'))) finally: file_json.close() ## Create SVG out_mains = [] scale_thumbnail = round(1.0 / n_frame, 5) height_trigger = int(height_image * (scale_thumbnail + 1) + 0.5) width_trigger = round(width_image * scale_thumbnail, 2) width_thumbnail = int(width_trigger + 0.9999) for i_frame in range(n_frame): x_trigger = round(i_frame * width_trigger, 2) out_mains.append('''\ <g class="frame"> <g class="content"> <use xlink:href="#image_{i_frame}"/> </g> <g class="trigger" transform="translate({x_trigger},{height_image})"> <use xlink:href="#image_{i_frame}" transform="scale({scale_thumbnail})"/> <use xlink:href="#triggers"/> </g> <!-- <title>frame {i_frame}</title> --> </g>'''.format(**locals())) out_main = '\n'.join(out_mains) title = basename.replace('_', ' ') stroke_width = max(width_image, height_image) / 200 font_size = width_image / 20 x_help = width_image / 2 y_help = height_image / 2 height_thumbnail = height_image * scale_thumbnail - stroke_width / 2 width_images = [width_image * multiple for multiple in range(99)] ## Compile everything into an .svg file file_out = open(basename + '.svg', 'w') try: ## use try/finally so that file is closed even if write fails print("write SVG") out_title = url.replace('_', ' ') if (is_folder) else 'GIF animation at {url} .'.format(**locals()) file_out.write('''<?xml version="1.0" encoding="utf-8"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%" viewBox="0 0 {width_image} {height_trigger}"> <title>{title}</title> <desc>Interactive SVG by CMG Lee of the {out_title}. Move left and right over the SVG image {message_action}.</desc> <style type="text/css"> #main {{ font-family:Helvetica,Arial,sans-serif; font-size:{font_size}px; text-anchor:middle; stroke-width:{stroke_width}; fill:#000000; }} #trigger {{ stroke:none; fill-opacity:0; }} .frame .content {{ visibility:hidden; pointer-events:none; fill:#000000; }} .frame .trigger {{ opacity:0.5; cursor:ew-resize; }} .frame:hover .content {{ visibility:visible; }} .frame:hover .trigger {{ opacity:1; pointer-events:auto; font-weight:bold; stroke:#ff0000; }} </style> <defs> <g id="help"> <text x="{x_help}" y="{y_help}" dy="-1ex">Move left and right</text> <text x="{x_help}" y="{y_help}" dy="1ex">{message_action}</text> </g> <rect id="trigger" x="0" y="-4999" width="{width_thumbnail}" height="9999"/> <g id="triggers"> <rect x="0" y="0" width="{width_thumbnail}" height="{height_thumbnail}" fill="none"/> <use xlink:href="#trigger"/> <use xlink:href="#trigger" transform="translate(-{width_images[1]},0)"/> <use xlink:href="#trigger" transform="translate( {width_images[1]},0)"/> <use xlink:href="#trigger" transform="translate(-{width_images[2]},0)"/> <use xlink:href="#trigger" transform="translate( {width_images[2]},0)"/> <use xlink:href="#trigger" transform="translate(-{width_images[3]},0)"/> <use xlink:href="#trigger" transform="translate( {width_images[3]},0)"/> <use xlink:href="#trigger" transform="translate(-{width_images[4]},0)"/> <use xlink:href="#trigger" transform="translate( {width_images[4]},0)"/> </g>{out_image} </defs> <g id="main"> <circle cx="0" cy="0" r="9999" fill="#ffffff"/> <use xlink:href="#image_0" opacity="0.5"/> <use xlink:href="#help" stroke-opacity="0.5" stroke="#ffffff"/> <use xlink:href="#help"/> <g id="frames">{out_main} </g> </g></svg>'''.format(**locals())) finally: file_out.close()n_argv = len(sys.argv)if (n_argv < 2): print(("{sys.argv[0]} <URL of GIF animation file or path to folder>\n" + " [<use every nth GIF frame; negative reverses order> (default: 1)]\n" + " [<action message or '3D' (default) or 'time'>]") .format(**locals()))else: make_svg( sys.argv[1], int( sys . argv [ 2 ])  si  ( n_argv  >  2 )  else  1 ,  sys . argv [ 3 ]  if  ( n_argv  >  3 )  else  '3D' )

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Se concede permiso para copiar, distribuir y / o modificar este documento bajo los términos de la Licencia de documentación libre GNU , Versión 1.2 o cualquier versión posterior publicada por la Free Software Foundation ; sin Secciones Invariantes, sin Textos de Portada y sin Textos de Contraportada. Se incluye una copia de la licencia en la sección titulada Licencia de documentación libre GNU .http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

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