verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . december 2010 learn how and when to remove this template message caliper corporation type private industry mapping software geographic information systems gis founded newton massachusetts 1983 headquarters newton massachusetts u.s. 42 19 49.67 n 71 12 42.23 w 42.3304639 n 71.2117306 w 42.3304639 ; 71.2117306 key people howard slavin founder president products maptitude transcad transmodeler website www.caliper.com caliper corporation was founded in 1983 as a developer of mapping software and is headquartered in newton massachusetts . caliper develops geographic information systems gis and transportation software . caliper is also a consulting and r & d provider offering professional services in quantitative management consulting transportation and decision support systems development . caliper is the developer of the transcad transportation planning software transmodeler traffic simulation software and maptitude 1 gis packages . contents 1 transcad 1.1 product history 1.2 web based version 2 references 3 external links transcad edit transcad is software for transportation planning . in addition to the standard point line area and image layers in a gis map transcad supports route system layers and has tools for creating manipulating and displaying routes . transcad uses a network data structure to support routing and network optimization models . transcad includes trip generation distribution mode choice and traffic assignment models that support transportation planning and travel demand forecasting . transcad has a set of dynamic segmentation and linear referencing tools for managing highway rail pipeline and other networks . 2 product history edit transcad was first released as a ms dos based transportation gis package in 1985 . transcad 3.0 the first microsoft windows version was released on may 28 1996 . transcad 4.8 was replaced by transcad 5.0 on january 2 2008 . the current version is 7.0 . web based version edit transcad for the web is a web based version of transcad that uses application source code that can be edited using javascript html and asp.net . application templates mapplications are used to create a web application or service . the default templates include ajax applications and mashups that use google maps via the google map api . transcad for the web was the first web based gis for transportation gis t 3 4 and remains the only transportation gis with web development capabilities . 5 references edit maptitude offers unbeatable mapping value for windows infoworld software helps transportation planners make decisions handbook of transport geography and spatial systems technological support and tools transcad for the web overview external links edit official mapping software website retrieved from https en.wikipedia.org w index.php title caliper corporation & oldid 732428781 categories gis software companiesgis softwaresoftware companies based in massachusettstraffic simulationhidden categories articles needing additional references from december 2010all articles needing additional references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 31 july 2016 at 22 36 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view