{"id":7016,"date":"2025-02-23T04:22:25","date_gmt":"2025-02-23T04:22:25","guid":{"rendered":"https:\/\/thedesignsense.com\/geotools\/?p=7016"},"modified":"2025-02-23T04:22:26","modified_gmt":"2025-02-23T04:22:26","slug":"polylines-based-on-properties-gt_plfilter-geotools-command","status":"publish","type":"post","link":"https:\/\/thedesignsense.com\/geotools\/polylines-based-on-properties-gt_plfilter-geotools-command\/","title":{"rendered":"Polylines Based on Properties: GT_PLFILTER \u2013 GeoTools Command"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-x-large-font-size\">Summary<\/h1>\n\n\n\n<p>The <strong>GT_PLFILTER<\/strong> command in <strong>GeoTools<\/strong> provides a powerful method for <strong>filtering polylines based on their geometric and attribute properties<\/strong>, making it a useful tool for <strong>surveyors, GIS professionals, and CAD drafters<\/strong> in <strong>BricsCAD, AutoCAD, ZWCAD and ARES Commander<\/strong>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-left has-medium-font-size is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>GeoTool -&gt; Selection Tools -&gt; Selection Tools -&gt; Polylines based on properties     <\/strong><\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"334\" height=\"497\" src=\"https:\/\/thedesignsense.com\/geotools\/wp-content\/uploads\/2025\/01\/image-115.png\" alt=\"\" class=\"wp-image-7496\" srcset=\"https:\/\/thedesignsense.com\/geotools\/wp-content\/uploads\/2025\/01\/image-115.png 334w, https:\/\/thedesignsense.com\/geotools\/wp-content\/uploads\/2025\/01\/image-115-202x300.png 202w\" sizes=\"(max-width: 334px) 100vw, 334px\" \/><figcaption class=\"wp-element-caption\">Polylines Based on Properties: GT_PLFILTER \u2013 GeoTools Command<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Key Features Include:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Comprehensive Polyline Filtering Options:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>2D or 3D Polylines<\/strong><\/li>\n\n\n\n<li><strong>Open or Closed Polylines<\/strong><\/li>\n\n\n\n<li><strong>Fitted, Arc Segments, Splined, Meshed, or Polyface Polylines<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Attribute-Based Filtering:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Z Value<\/strong> (Elevation-based filtering)<\/li>\n\n\n\n<li><strong>Width &amp; Length<\/strong><\/li>\n\n\n\n<li><strong>Number of Vertices<\/strong><\/li>\n\n\n\n<li><strong>Area<\/strong><\/li>\n\n\n\n<li><strong>Start-End Distance<\/strong><\/li>\n\n\n\n<li><strong>Segment Length<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Advanced Selection Criteria:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Apply logical operators to refine selection:\n<ul class=\"wp-block-list\">\n<li><code>&lt; n<\/code> (Less than)<\/li>\n\n\n\n<li><code>&lt;= n<\/code> (Less than or equal to)<\/li>\n\n\n\n<li><code>> n<\/code> (Greater than)<\/li>\n\n\n\n<li><code>>= n<\/code> (Greater than or equal to)<\/li>\n\n\n\n<li><code>= n<\/code> (Equal to)<\/li>\n\n\n\n<li><code>\/= n<\/code> (Not equal to)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Example: <strong>Selecting polylines with area \u2264 55.0<\/strong> ensures only relevant objects are included.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Practical Applications:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Extract specific contour polylines<\/strong> based on Z-values.<\/li>\n\n\n\n<li><strong>Filter polylines by length, area, or vertex count<\/strong> for simplified analysis.<\/li>\n\n\n\n<li><strong>Isolate closed polylines<\/strong> for boundary detection in GIS and land mapping.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Benefits:<\/h4>\n\n\n\n<p>This tool helps <strong>optimize selection and modification of polylines<\/strong>, improving <strong>workflow efficiency in CAD environments<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summary The GT_PLFILTER command in GeoTools provides a powerful method for filtering polylines based on their geometric and attribute properties, making it a useful tool for surveyors, GIS professionals, and CAD drafters in BricsCAD, AutoCAD, ZWCAD and ARES Commander. GeoTool -&gt; Selection Tools -&gt; Selection Tools -&gt; Polylines based on properties Key Features Include: Benefits: This tool helps optimize selection and modification of polylines, improving workflow efficiency in CAD environments.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[27],"tags":[26,533,532],"class_list":["post-7016","post","type-post","status-publish","format-standard","hentry","category-geotools-commands","tag-geotools-command","tag-gt_plfilter","tag-polylines-based-on-properties"],"_links":{"self":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/7016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/comments?post=7016"}],"version-history":[{"count":2,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/7016\/revisions"}],"predecessor-version":[{"id":7497,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/posts\/7016\/revisions\/7497"}],"wp:attachment":[{"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/media?parent=7016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/categories?post=7016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thedesignsense.com\/geotools\/wp-json\/wp\/v2\/tags?post=7016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}