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by kent
Mon Jan 08, 2018 9:59 am
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

I modified the example on page 982 in the PGF 3.0 manual to let the square be completely inside the ellipse such that the number of intersection points should be 0. (See the attached file.) As described in the manual, the origion is indeed highlighted. In such case, I would prefer to not highlight a...
by kent
Fri Jan 05, 2018 2:55 pm
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

See the attached .tex file where you find one example where the two paths intersect and the code works
and one example where the two paths do not intersect and the code does not work.
Kent
by kent
Fri Jan 05, 2018 12:34 pm
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

One additional question regarding the global value \t:
If we have a case with no intersections, it seems to me, based on testing, that \t is not defined.
It should really be defined to be 0 in such cases.
How can this be fixed?

Best regards,
Kent
by kent
Thu Dec 21, 2017 9:19 am
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

Thanks pointing this out.
This answers one part of my earlier posting on intersections on apparently differences between PGF 2.0 and PGF 3.0.
Kent
by kent
Wed Dec 20, 2017 10:00 am
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

You do not need the library. I did run the input file without it.
It seems to be a problem with the \foreach loop.
by kent
Tue Dec 19, 2017 4:20 pm
Forum: Graphics, Figures & Tables
Topic: intersection Topic is solved
Replies: 13
Views: 3050

intersection Topic is solved

I have 4 intersections in this case, and want to draw and fill that number of circles. Question: Why does not my code do want I want it to do ?
See the attached .tex file.
Kent Holing
by kent
Mon Dec 11, 2017 4:20 pm
Forum: Graphics, Figures & Tables
Topic: intersections in pgf - a comment
Replies: 3
Views: 726

intersections in pgf - a comment

I want to reiterate on the last point from my last posting on this issue: In cases where PGF 3.0 reports that no intersections exists, it would be nice to use the macro \t in \path [name intersections = {of = path1 and path2, total=\t}] construct for the paths path1 and path2, i.e. using it to avoid...
by kent
Wed Nov 29, 2017 9:13 am
Forum: Graphics, Figures & Tables
Topic: intersections in pgf - a comment
Replies: 3
Views: 726

intersections in pgf - a comment

As wanted, I will illustrate some of the issues mentioned below by two examples. Two concentric and non-intersecting circles C1 and C2 and a line segment L (defined by its endpoints) are given such that L lies completely inside C1 and completely outside C2. (See the attached graphics files.) We shal...
by kent
Fri Nov 24, 2017 4:25 pm
Forum: Graphics, Figures & Tables
Topic: intersections in pgf - a comment
Replies: 3
Views: 726

intersections in pgf - a comment

I finally got my PGF upgraded to 3.0 and I am happy to see all the wonderful new features it has compared to my old friend PGF 2.0! I have played a little bit with the use of the intersections package where I now can determine intersections between more general paths than, say, the circle and the li...
by kent
Mon Nov 13, 2017 12:48 pm
Forum: Graphics, Figures & Tables
Topic: A question about filling a region with colour and pattern Topic is solved
Replies: 7
Views: 1577

A question about filling a region with colour and pattern Topic is solved

Dear Stefan, if you think the figure has some learning potential, I will consider posting it at the Tikz gallery. However, looking at some examples I see that people document their examples excellently. My source code, I am afraid, is a little too obscure for others to read without extensive editing...

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