[NTG-context] Re: enhancing MetaPost presentation progress graphics

2023-07-19 Thread Duncan Hothersall
I am in awe at this. Thanks for sharing. On Wed, 19 Jul 2023 at 18:11, Henning Hraban Ramm wrote: > Am 19.07.23 um 14:07 schrieb Taco Hoekwater: > > First, find the actual point along the curve of the wave you want, then > you can ask for the direction of the wave at that time, and its point: >

[NTG-context] Re: enhancing MetaPost presentation progress graphics

2023-07-19 Thread Henning Hraban Ramm
Am 19.07.23 um 14:07 schrieb Taco Hoekwater: First, find the actual point along the curve of the wave you want, then you can ask for the direction of the wave at that time, and its point: Thank you! pair itime, iangle, boatpos; itime = (wave[3] intersectiontimes

[NTG-context] Re: enhancing MetaPost presentation progress graphics

2023-07-19 Thread Taco Hoekwater
Hi, First, find the actual point along the curve of the wave you want, then you can ask for the direction of the wave at that time, and its point: \startuseMPgraphic{Waves} numeric height,stops,yoffset; stops := 10; height := OverlayHeight/10; path wave[]; % storing waves draw

[NTG-context] Re: enhancing MetaPost presentation progress graphics

2023-07-19 Thread Floris van Manen via ntg-context
On 19/07/2023 12:32, Henning Hraban Ramm wrote: I find the waves not yet very convincing. Depending on the intended weather, I'd rather flatten the amplitudes out with the distance. Unlike mountains, waves do not get much higher at the horizon. .F