{"id":198,"date":"2009-03-23T10:30:57","date_gmt":"2009-03-23T10:30:57","guid":{"rendered":"http:\/\/ahay.org\/blog\/?p=198"},"modified":"2015-08-04T23:51:39","modified_gmt":"2015-08-04T23:51:39","slug":"pens-2","status":"publish","type":"post","link":"https:\/\/ahay.org\/blog\/2009\/03\/23\/pens-2\/","title":{"rendered":"pens++"},"content":{"rendered":"<p>Meet <a href=\"\/RSF\/sfgdpen.html\">gdpen<\/a>, a new &#8220;pen&#8221; program. <strong>gdpen<\/strong> converts vplot files to <a href=\"http:\/\/en.wikipedia.org\/wiki\/Portable_Network_Graphics\">PNG<\/a> or <a href=\"http:\/\/en.wikipedia.org\/wiki\/JPEG\">JPEG<\/a>, or <a href=\"http:\/\/en.wikipedia.org\/wiki\/Graphics_Interchange_Format\">GIF<\/a> graphics formats (including animated GIFs). Use it like this:<\/p>\n<div class=\"code-box\"><div class=\"code-title\"><i class=\"fa fa-code\"><\/i> <div class=\"pull-right\"><a href=\"#\" class=\"btn btn-default btn-xs toggle-code\" data-toggle=\"tooltip\" title=\"Toggle code\"><i class=\"fa fa-toggle-up\"><\/i><\/a><\/div><\/div><pre >gdpen < file.vpl > file.png<\/pre><\/div>\n<p> or <\/p>\n<div class=\"code-box\"><div class=\"code-title\"><i class=\"fa fa-code\"><\/i> <div class=\"pull-right\"><a href=\"#\" class=\"btn btn-default btn-xs toggle-code\" data-toggle=\"tooltip\" title=\"Toggle code\"><i class=\"fa fa-toggle-up\"><\/i><\/a><\/div><\/div><pre >gdpen type=jpeg < file.vpl > file.jpg<\/pre><\/div>\n<p> or <\/p>\n<div class=\"code-box\"><div class=\"code-title\"><i class=\"fa fa-code\"><\/i> <div class=\"pull-right\"><a href=\"#\" class=\"btn btn-default btn-xs toggle-code\" data-toggle=\"tooltip\" title=\"Toggle code\"><i class=\"fa fa-toggle-up\"><\/i><\/a><\/div><\/div><pre >gdpen type=gif < file.vpl > file.gif<\/pre><\/div>\n<p>Other usual options are available.<br \/>\n<strong>gdpen<\/strong> requires the <a href=\"http:\/\/www.libgd.org\/Main_Page\">GD library<\/a> at the compilation time.<br \/>\nSeveral other &#8220;pens&#8221; are <a href=\"https:\/\/sourceforge.net\/tracker\/?func=detail&#038;aid=1998135&#038;group_id=162909&#038;atid=825648\">under development<\/a>:<\/p>\n<ul>\n<li><strong>cairopen<\/strong> &#8211; for outputting standard vector-graphics formats<\/li>\n<li><strong>svgpen<\/strong> &#8211; for outputting SVG directly<\/li>\n<li><strong>pdfpen<\/strong> &#8211; for outputting PDF directly<\/li>\n<li><strong>gtkpen\/oglpen<\/strong> &#8211; for displaying plots on a screen (as a replacement for <strong>xtpen<\/strong>)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Meet gdpen, a new &#8220;pen&#8221; program. gdpen converts vplot files to PNG or JPEG, or GIF graphics formats (including animated GIFs). Use it like this: gdpen < file.vpl > file.png or gdpen type=jpeg < file.vpl > file.jpg or gdpen type=gif < file.vpl > file.gif Other usual options are available. gdpen requires the GD library at [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-198","post","type-post","status-publish","format-standard","hentry","category-programs"],"_links":{"self":[{"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/posts\/198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/comments?post=198"}],"version-history":[{"count":1,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/posts\/198\/revisions"}],"predecessor-version":[{"id":717,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/posts\/198\/revisions\/717"}],"wp:attachment":[{"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/media?parent=198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/categories?post=198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ahay.org\/blog\/wp-json\/wp\/v2\/tags?post=198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}