[PD] Keystone correction

[Charles Goyard]

Hi,

Cyrille Henry wrote:
> you can use curve3d if you prefer moving vertices with pd message.
> see attachment.

Thanks, that look real good.

> Iohannes solution using trapezoid is also a very good solution, if you
> only have to change keystone.

Now I feel like a hacker using that undocumented object.
Fair enough, I made the documentation, that can be included in the next
Gem release :).

Thanks all!

-- 
Charlot
-------------- next part --------------
#N canvas 2 47 1020 719 10;
#X text 54 30 Class: geometric object;
#X obj 519 47 cnv 15 170 250 empty empty empty 20 12 0 14 -228992 -66577
0;
#X obj 584 224 cnv 15 100 60 empty empty empty 20 12 0 14 -195568 -66577
0;
#N canvas 0 0 450 300 gemwin 0;
#X obj 132 136 gemwin;
#X obj 67 89 outlet;
#X obj 67 10 inlet;
#X obj 67 41 route create;
#X msg 67 70 set destroy;
#X msg 142 68 set create;
#X msg 198 112 destroy;
#X msg 132 112 create \, 1;
#X connect 2 0 3 0;
#X connect 3 0 4 0;
#X connect 3 0 7 0;
#X connect 3 1 5 0;
#X connect 3 1 6 0;
#X connect 4 0 1 0;
#X connect 5 0 1 0;
#X connect 6 0 0 0;
#X connect 7 0 0 0;
#X restore 589 263 pd gemwin;
#X msg 589 244 destroy;
#X text 585 223 Create window:;
#X text 525 29 Example:;
#X obj 7 65 cnv 15 450 80 empty empty empty 20 12 0 14 -233017 -66577
0;
#X obj 8 216 cnv 15 450 130 empty empty empty 20 12 0 14 -233017 -66577
0;
#X text 9 221 Inlets:;
#X obj 8 156 cnv 15 450 50 empty empty empty 20 12 0 14 -195568 -66577
0;
#X text 17 155 Arguments:;
#X text 27 247 Inlet 1: message: draw [line|fill|point];
#X text 452 8 GEM object;
#X text 27 233 Inlet 1: gemlist;
#X text 9 310 Outlets:;
#X text 21 323 Outlet 1: gemlist;
#X obj 522 82 cnv 15 160 120 empty empty empty 20 12 0 14 -24198 -66577
0;
#X msg 525 95 draw line;
#X msg 525 116 draw fill;
#X msg 525 138 draw point;
#X obj 593 54 gemhead;
#X floatatom 617 134 5 0 0 0 - - -;
#X floatatom 630 162 5 0 0 0 - - -;
#X text 617 118 size;
#X text 630 146 top line;
#X text 33 14 Synopsis: [trapezoid];
#X text 7 69 Description: Renders a trapezoid box.;
#X text 15 86 The trapezoid object renders a trapezoid (box) at the
current position with current color. The dimensions and shape of the
trapezoid can be changed via the last two inlets.;
#X text 63 167 dimensions of the trapezoid (size topline);
#X text 65 181 default: 1 1;
#X text 27 260 Inlet 2: float: size;
#X text 27 275 Inlet 3: float: length of top line \, relative to the
size;
#X obj 579 185 trapezoid 1 0.7;
#X connect 3 0 4 0;
#X connect 4 0 3 0;
#X connect 18 0 33 0;
#X connect 19 0 33 0;
#X connect 20 0 33 0;
#X connect 21 0 33 0;
#X connect 22 0 33 1;
#X connect 23 0 33 2;