About macro numberstriped ()

Fabrice Couvreur

27 Sep 2022 27 Sep '22

7:49 p.m.

Hello, I notice a strange behavior of the macro numberstriped ( ). Thanks. Fabrice \starttext \switchtobodyfont[9pt] \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ; draw p ; draw r withcolor red; draw r numberstriped (.25,20,5) withcolor magenta ; draw b numberstriped (.25,20,5) withcolor magenta ; label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ; \stopMPcode \stoptext

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Hans Hagen

27 Sep 27 Sep

10:04 p.m.

On 9/27/2022 7:49 PM, Fabrice Couvreur via ntg-context wrote:

...

Hello, I notice a strange behavior of the macro numberstriped ( ). Thanks. Fabrice

\starttext \switchtobodyfont[9pt] \startMPcode

path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ; draw p ; draw r withcolor red; draw r numberstriped (.25,20,5) withcolor magenta ; draw b numberstriped (.25,20,5) withcolor magenta ; label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode \stoptext you need to find a volunteer to make the pattern have the two corner blobs

\starttext \startMPcode path p, q, r, b ; path p ; p := unitsquare xyscaled (4cm,4cm) ; draw p ; draw p withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/16 withpen pencircle scaled 1mm ; \stopMPcode \stoptext ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Fabrice Couvreur

28 Sep 28 Sep

3:11 p.m.

Hi Hans, Thank you for this solution which is an approach that I did not know. Fabrice PS : What is the exact meaning of the word "blobs" because my English is average ? Le mar. 27 sept. 2022 à 22:04, Hans Hagen via ntg-context < ntg-context@ntg.nl> a écrit :

...

On 9/27/2022 7:49 PM, Fabrice Couvreur via ntg-context wrote:

...
Hello, I notice a strange behavior of the macro numberstriped ( ). Thanks. Fabrice

\starttext \switchtobodyfont[9pt] \startMPcode

path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ; draw p ; draw r withcolor red; draw r numberstriped (.25,20,5) withcolor magenta ; draw b numberstriped (.25,20,5) withcolor magenta ; label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode \stoptext you need to find a volunteer to make the pattern have the two corner blobs

\starttext

\startMPcode path p, q, r, b ; path p ; p := unitsquare xyscaled (4cm,4cm) ; draw p ; draw p withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/16 withpen pencircle scaled 1mm ; \stopMPcode

\stoptext

----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

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___________________________________________________________________________________

Hans Hagen

3:29 p.m.

On 9/28/2022 3:11 PM, Fabrice Couvreur via ntg-context wrote:

...

Hi Hans, Thank you for this solution which is an approach that I did not know. Fabrice

PS : What is the exact meaning of the word "blobs" because my English is average ? in order to get 'lines' you need to fill the two opposing corners with "blobs of ink"

Hans (who's dutch is better than his english) ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Henning Hraban Ramm

9:04 p.m.

Am 28.09.22 um 15:29 schrieb Hans Hagen via ntg-context:

...

On 9/28/2022 3:11 PM, Fabrice Couvreur via ntg-context wrote:

...
PS : What is the exact meaning of the word "blobs" because my English is average ? in order to get 'lines' you need to fill the two opposing corners with "blobs of ink"

Otherwise, a BLOB is a “binary large object”, e.g. if you save image data to a database. Hraban

Fabrice Couvreur

1 Oct 1 Oct

7:42 p.m.

Hi Hans, When the rectangles are not identical, how to have the same type of hatching in both ? Thanks. Fabrice \starttext \startlinecorrection[blank] \startmidaligned \switchtobodyfont[9pt] \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ; draw r withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/8 withpen pencircle scaled 1pt withcolor cyan; ; draw b withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/16 withpen pencircle scaled 1pt withcolor cyan; ; draw p; draw b; draw r; label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ; \stopMPcode \stopmidaligned \stoplinecorrection \stoptext Le mer. 28 sept. 2022 à 21:05, Henning Hraban Ramm via ntg-context < ntg-context@ntg.nl> a écrit :

...

Am 28.09.22 um 15:29 schrieb Hans Hagen via ntg-context:

...
On 9/28/2022 3:11 PM, Fabrice Couvreur via ntg-context wrote:

...
PS : What is the exact meaning of the word "blobs" because my English is average ? in order to get 'lines' you need to fill the two opposing corners with "blobs of ink"

Otherwise, a BLOB is a “binary large object”, e.g. if you save image data to a database.

Hraban

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___________________________________________________________________________________

Mikael Sundqvist

9:46 p.m.

Hi, Is this what you are looking for? On Sat, Oct 1, 2022 at 7:43 PM Fabrice Couvreur via ntg-context wrote:

...

Hi Hans, When the rectangles are not identical, how to have the same type of hatching in both ? Thanks. Fabrice

\starttext \startlinecorrection[blank] \startmidaligned \switchtobodyfont[9pt] \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;

draw r anglestriped (1,45,2) withcolor cyan; draw b anglestriped (1,45,2) withcolor cyan;

...

draw p; draw b; draw r;

label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode \stopmidaligned \stoplinecorrection \stoptext

/Mikael

Fabrice Couvreur

2 Oct 2 Oct

10:55 a.m.

Hi, Initially, there was a bug with maro numberstriped() and Hans suggested another sensible approach to me, but you don't get the same shape of the hatches depending on the dimensions of the squares. Your solution works perfectly but I'm trying to understand the action of the parameters: the first ? the second represents the angle in degrees that the segments make the third represents the gap between two segments Thanks Fabrice Le sam. 1 oct. 2022 à 21:46, Mikael Sundqvist via ntg-context < ntg-context@ntg.nl> a écrit :

...

Hi,

Is this what you are looking for?

On Sat, Oct 1, 2022 at 7:43 PM Fabrice Couvreur via ntg-context wrote:

...
Hi Hans, When the rectangles are not identical, how to have the same type of

hatching in both ?

...
Thanks. Fabrice

\starttext \startlinecorrection[blank] \startmidaligned \switchtobodyfont[9pt] \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;

draw r anglestriped (1,45,2) withcolor cyan; draw b anglestriped (1,45,2) withcolor cyan;

...
draw p; draw b; draw r;

label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode \stopmidaligned \stoplinecorrection \stoptext

/Mikael

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maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net

___________________________________________________________________________________

Floris van Manen

11:20 a.m.

On 02/10/2022 10:55, Fabrice Couvreur via ntg-context wrote:

...

Initially, there was a bug with maro numberstriped() and Hans suggested another sensible approach to me, but you don't get the same shape of the hatches depending on the dimensions of the squares.

some unexpected side effect show up when the unitsquare is xyscaled to a rectangle like (2.5cm,1cm) it seems related to the angle chosen e.g. \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; q := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; r := unitsquare xyscaled (2.5cm,1cm) shifted(1cm,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ; draw r anglestriped (1,35,2) withcolor red; draw q anglestriped (1,35,2) withcolor green; draw b anglestriped (1,35,2) withcolor cyan; draw p; draw q; draw b; draw r; label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ; \stopMPcode

Fabrice Couvreur

11:49 a.m.

Not only, it is also true with the code below : \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := (0cm,0cm) -- lrcorner r -- lrcorner p -- cycle; draw r anglestriped (1,45,2) withcolor green; draw b anglestriped (1,45,2) withcolor green; draw b withcolor darkgreen; draw r withcolor darkgreen; draw p; label.llft("B", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("D", p) ; label.urt("F", lrcorner r) ; label.lft("E", llcorner r) ; label.top("G", urcorner r) ; \stopMPcode Le dim. 2 oct. 2022 à 11:21, Floris van Manen via ntg-context < ntg-context@ntg.nl> a écrit :

...

On 02/10/2022 10:55, Fabrice Couvreur via ntg-context wrote:

...
Initially, there was a bug with maro numberstriped() and Hans suggested another sensible approach to me, but you don't get the same shape of the hatches depending on the dimensions of the squares.

some unexpected side effect show up when the unitsquare is xyscaled to a rectangle like (2.5cm,1cm) it seems related to the angle chosen

e.g.

\startMPcode

path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; q := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; r := unitsquare xyscaled (2.5cm,1cm) shifted(1cm,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;

draw r anglestriped (1,35,2) withcolor red; draw q anglestriped (1,35,2) withcolor green; draw b anglestriped (1,35,2) withcolor cyan; draw p; draw q; draw b; draw r;

label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode

___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net

___________________________________________________________________________________

Hans Hagen

11:52 a.m.

On 10/2/2022 11:20 AM, Floris van Manen via ntg-context wrote:

...

On 02/10/2022 10:55, Fabrice Couvreur via ntg-context wrote:

...
Initially, there was a bug with maro numberstriped() and Hans suggested another sensible approach to me, but you don't get the same shape of the hatches depending on the dimensions of the squares.

some unexpected side effect show up when the unitsquare is xyscaled to a rectangle like (2.5cm,1cm) it seems related to the angle chosen

e.g.

\startMPcode

path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; q := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; r := unitsquare xyscaled (2.5cm,1cm) shifted(1cm,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;

draw r anglestriped (1,35,2) withcolor red; draw q anglestriped (1,35,2) withcolor green; draw b anglestriped (1,35,2) withcolor cyan; draw p; draw q; draw b; draw r;

label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode

for that you can patch mp-tool.mpxl (l 676): maximum := max (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ; minimum := min (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ; % a hack: maximum := maximum + max(xpart urcorner shape, ypart urcorner shape); minimum := minimum - max(xpart urcorner shape, ypart urcorner shape); a bit overkill but it seems to work Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Fabrice Couvreur

1:02 p.m.

I just tried but I got an empty file... Do we agree that I have to replace the two lines with the other two ? Regarding what you proposed, how to get the same type of hatching in both figures ? \startMPcode path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; z[0] = (2cm,0cm) ; z[1] = (2cm,4cm) ; z[2] = (0cm,2cm) ; q := llcorner p--z[0]--z[1]--z[2]--cycle ; r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; b := (0cm,0cm) -- lrcorner r -- lrcorner p -- cycle; draw r withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/4 withpen pencircle scaled 1bp withcolor green ; draw b withpattern image ( draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ; % how to get the corner dots ) withpatternscale 1/16 withpen pencircle scaled 1bp withcolor green ; draw b withpen pencircle scaled 1bp withcolor darkgreen; draw r withpen pencircle scaled 1bp withcolor darkgreen; draw p; label.llft("B", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("D", p) ; label.urt("F", lrcorner r) ; label.lft("E", llcorner r) ; label.top("G", urcorner r) ; \stopMPcode Le dim. 2 oct. 2022 à 11:52, Hans Hagen via ntg-context a écrit :

...

On 10/2/2022 11:20 AM, Floris van Manen via ntg-context wrote:

...
On 02/10/2022 10:55, Fabrice Couvreur via ntg-context wrote:

...
Initially, there was a bug with maro numberstriped() and Hans suggested another sensible approach to me, but you don't get the same shape of the hatches depending on the dimensions of the squares.

some unexpected side effect show up when the unitsquare is xyscaled to a rectangle like (2.5cm,1cm) it seems related to the angle chosen

e.g.

\startMPcode

path p, q, r, b ; p := unitsquare xyscaled (4cm,4cm) ; q := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ; r := unitsquare xyscaled (2.5cm,1cm) shifted(1cm,3cm) ; b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;

draw r anglestriped (1,35,2) withcolor red; draw q anglestriped (1,35,2) withcolor green; draw b anglestriped (1,35,2) withcolor cyan; draw p; draw q; draw b; draw r;

label.llft("D", p) ; label.lrt("C", p) ; label.ulft("A", p) ; label.urt("B", p) ; label.urt("P", lrcorner r) ; label.lft("Q", llcorner r) ; label.top("M", urcorner r) ;

\stopMPcode

for that you can patch mp-tool.mpxl (l 676):

maximum := max (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ; minimum := min (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ; % a hack: maximum := maximum + max(xpart urcorner shape, ypart urcorner shape); minimum := minimum - max(xpart urcorner shape, ypart urcorner shape);

a bit overkill but it seems to work

Hans

----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net

___________________________________________________________________________________

Hans Hagen

1:38 p.m.

On 10/2/2022 1:02 PM, Fabrice Couvreur via ntg-context wrote:

...

I just tried but I got an empty file... Do we agree that I have to replace the two lines with the other two ? Regarding what you proposed, how to get the same type of hatching in both figures ? no, we disagree here; add them after the min/max lines

Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

Fabrice Couvreur

3:13 p.m.

Ok, it works very well. Without wanting to insist, how to have the same hatching with two different figures ? Thanks. Fabrice Le dim. 2 oct. 2022 à 13:38, Hans Hagen via ntg-context a écrit :

...

On 10/2/2022 1:02 PM, Fabrice Couvreur via ntg-context wrote:

...
I just tried but I got an empty file... Do we agree that I have to replace the two lines with the other two ? Regarding what you proposed, how to get the same type of hatching in both figures ? no, we disagree here; add them after the min/max lines

Hans

----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net

___________________________________________________________________________________

Hans Hagen

3:26 p.m.

On 10/2/2022 3:13 PM, Fabrice Couvreur via ntg-context wrote:

...

Ok, it works very well. Without wanting to insist, how to have the same hatching with two different figures ? see upcoming mail from Mikael

Mikael Sundqvist

3:36 p.m.

Hi, On Sun, Oct 2, 2022 at 3:26 PM Hans Hagen via ntg-context wrote:

...

On 10/2/2022 3:13 PM, Fabrice Couvreur via ntg-context wrote:

...
Ok, it works very well. Without wanting to insist, how to have the same hatching with two different figures ? see upcoming mail from Mikael

Oh, OK, here it goes. Hans will probably rename things if he adds this. \startMPpage[offset=1dk] vardef Stripe(expr p, a, d) = save thestripe ; picture thestripe ; thestripe := nullpicture ; save diag ; numeric diag ; diag := 0.55*( abs((urcorner boundingbox p) - (llcorner boundingbox p)) ) ; thestripe := image ( draw (-diag,0) -- (diag, 0) && for i = d step d until diag: (-diag, i) -- (diag, i) && (-diag,-i) -- (diag,-i) && endfor nocycle withpen currentpen ; ) ; thestripe := thestripe shifted center boundingbox p ; thestripe := thestripe rotatedaround(center boundingbox p, a) ; clip thestripe to p ; thestripe enddef ; path p ; p := fullcircle scaled 3cm && (unitsquare scaled 2cm shifted (4cm,4cm)) && cycle ; fill p withcolor darkred ; draw Stripe(p,30,.2cm) withcolor darkgreen ; path q ; q := fullsquare randomized 0.3 scaled 3cm yshifted 5cm ; fill q withcolor yellow ; draw Stripe(q,70,.3cm) withcolor red ; draw Stripe(p && q && cycle, -20, .5cm) withcolor "orange" ; draw p ; draw q ; \stopMPpage /Mikael

Fabrice Couvreur

6:15 p.m.

Hi Mikael, Great job ! Thanks Fabrice Le dim. 2 oct. 2022 à 15:37, Mikael Sundqvist via ntg-context < ntg-context@ntg.nl> a écrit :

...

Hi,

On Sun, Oct 2, 2022 at 3:26 PM Hans Hagen via ntg-context wrote:

...
On 10/2/2022 3:13 PM, Fabrice Couvreur via ntg-context wrote:

...
Ok, it works very well. Without wanting to insist, how to have the same hatching with two different figures ? see upcoming mail from Mikael

Oh, OK, here it goes. Hans will probably rename things if he adds this.

\startMPpage[offset=1dk]

vardef Stripe(expr p, a, d) = save thestripe ; picture thestripe ; thestripe := nullpicture ; save diag ; numeric diag ; diag := 0.55*( abs((urcorner boundingbox p) - (llcorner boundingbox p)) ) ; thestripe := image ( draw (-diag,0) -- (diag, 0) && for i = d step d until diag: (-diag, i) -- (diag, i) && (-diag,-i) -- (diag,-i) && endfor nocycle withpen currentpen ; ) ; thestripe := thestripe shifted center boundingbox p ; thestripe := thestripe rotatedaround(center boundingbox p, a) ; clip thestripe to p ; thestripe enddef ;

path p ; p := fullcircle scaled 3cm && (unitsquare scaled 2cm shifted (4cm,4cm)) && cycle ; fill p withcolor darkred ; draw Stripe(p,30,.2cm) withcolor darkgreen ;

path q ; q := fullsquare randomized 0.3 scaled 3cm yshifted 5cm ; fill q withcolor yellow ; draw Stripe(q,70,.3cm) withcolor red ;

draw Stripe(p && q && cycle, -20, .5cm) withcolor "orange" ;

draw p ; draw q ;

\stopMPpage

/Mikael

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participants (5)

Fabrice Couvreur
Floris van Manen
Hans Hagen
Henning Hraban Ramm
Mikael Sundqvist

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participants (5)