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ConTeXt users References: <61545EF6-8B7A-4FDA-A374-0A69AB077D00@icloud.com> From: "Thomas A. Schmitz" Content-Language: en-US, fr, de-DE In-Reply-To: <61545EF6-8B7A-4FDA-A374-0A69AB077D00@icloud.com> Message-ID-Hash: POVEQGRQ4PE5MHDI3LE72USYL5U73OES X-Message-ID-Hash: POVEQGRQ4PE5MHDI3LE72USYL5U73OES X-MailFrom: thomas.schmitz@uni-bonn.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list Reply-To: mailing list for ConTeXt users Subject: [NTG-context] Re: How can I use a variable for a MetaPost coordinate ? List-Id: mailing list for ConTeXt users Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit Have a look at chapter 6.4 of the metafun manual. You need StartPage ... StopPage in your MPcode, then you can knock yourself out by using variables such as PaperHeight or TextHeight and do all sorts of calculations. All best Thomas On 10/5/23 05:54, peter.hopcroft--- via ntg-context wrote: > Hello list, I want to draw lines on a page. I want to pass my line > coordinates as a percent of \width or \textheight, rather than as > millimetres. So that if I change the page size I don't need to change > the coordinates. The MWE below compiles but the pdf does not have any > lines drawn on it. Is there a way of doing calculations on the > coordinates for the draw using ConTexT variables like \textheight? Thank > you, Peter Hopcroft ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : {listname} / https://mailman.ntg.nl/mailman3/lists/{list_id} webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___________________________________________________________________________________