Two annoyances
I keep trying to cut the bottom off of this horn (both inside the Horn
module, and when it is called at the bottom) with no joy. Puzzled.
I'm also seeing a log like this:
Warning: Normalized tree is growing past 200000 elements. Aborting
normalization.
Normalized CSD tree has 6767 elements
It may be clear to some of you how one tree became > 200000 (or is it
2000000?) while the other tree was a mere 6000.
Jon
rch = 0.1;
base = 0; // height where base ends and sculpture starts
maxA = 360;
module OuterHorn() {
for (a = [0:1:maxA]) {
translate([18sin(a), 18cos(a), base + a/3])
sphere(r=2+(maxA-a)/30, $fn = 20);
};
}
module InnerHorn() {
for (a = [0:1:maxA]) {
translate([18sin(a), 18cos(a), base + a/3])
sphere(r=(maxA-a)/30, $fn = 20);
};
}
module Horn() {
difference() {
OuterHorn();
InnerHorn();
// cut off anything below the base
translate([-50, -50, -100])
cube([100, 100, 100]);
}
}
difference(){
// Sculpture();
Horn();
// cut off anything below the base
translate([-50, -50, -100])
cube([100, 100, 100]);
}
That could be a bug.
If you increase the Edit/Preference/Advanced/TurnOffRenderingAt setting to
400000 it goes away.
Interesting observation, the model (with normalisation) challenges my
graphics system, but when Aborting normalization happens it displays
easily??
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p.s. Nice horn design, can I use it?
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Thanks! Sure! Seemed pretty obvious to me... <grin>
On 6/29/2015 6:00 PM, MichaelAtOz wrote:
p.s. Nice horn design, can I use it?
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I increased the TurnOffRenderingAt to 400,000 and the difference still
fails (Windows 64); not sure what you meant by "it goes away". The
rendering is so slow that it is impossible to use, aborted or not. And
you can imagine how long F6 would take. Not the best way to use
OpenSCAD I fear.
On 6/29/2015 5:58 PM, MichaelAtOz wrote:
That could be a bug.
If you increase the Edit/Preference/Advanced/TurnOffRenderingAt setting to
400000 it goes away.
Interesting observation, the model (with normalisation) challenges my
graphics system, but when Aborting normalization happens it displays
easily??
Unless specifically shown otherwise above, my contribution is in the Public Domain; To the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. This work is published globally via the internet. :) Inclusion of works of previous authors is not included in the above.
The TPP is no simple “trade agreement.” Fight it! http://www.ourfairdeal.org/
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I wonder if the community would benefit from some general purpose
tube/horn facility that was customizable. I realize that Kit Wallace's
stuff (derived from NopHead) is a bit like that, but not easy to use (at
least for me).
On 6/29/2015 5:58 PM, MichaelAtOz wrote:
That could be a bug.
If you increase the Edit/Preference/Advanced/TurnOffRenderingAt setting to
400000 it goes away.
Interesting observation, the model (with normalisation) challenges my
graphics system, but when Aborting normalization happens it displays
easily??
Unless specifically shown otherwise above, my contribution is in the Public Domain; To the extent possible under law, I have waived all copyright and related or neighbouring rights to this work. This work is published globally via the internet. :) Inclusion of works of previous authors is not included in the above.
The TPP is no simple “trade agreement.” Fight it! http://www.ourfairdeal.org/
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jon_bondy wrote
I increased the TurnOffRenderingAt to 400,000 and the difference still
fails (Windows 64); not sure what you meant by "it goes away". The
rendering is so slow that it is impossible to use, aborted or not. And
you can imagine how long F6 would take. Not the best way to use
OpenSCAD I fear.
Do you still get the Warning msg? If so make the setting bigger.
Ahh! I changed the step number in the for() loops to 3, to cut down on the
number of triangles.
I was not getting the warning and the cutting off the base was working OK.
I reduced the setting to 200,000 and got the Warning and the cut did not
work.
I changed it back to 400,000 and "it goes away". Win7/64
Your current design uses sphere(), I was just considering using a short
cylinder() instead, it will have fewer triangles to deal with.
Yes, OpenSCAD gets difficult with really large numbers of faces...
I wonder if the community would benefit from some general purpose
tube/horn facility that was customizable. I realize that Kit Wallace's
stuff (derived from NopHead) is a bit like that, but not easy to use (at
least for me).
The more the merrier... :)
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With your original design, I had to go to 3,000,000 for it to work.
OpenSCAD was extreeeeemly unresponsive. Not going to try F6 ;)
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Any idea why the difference() is unable to chop off the bottom?
On 6/29/2015 7:01 PM, MichaelAtOz wrote:
With your original design, I had to go to 3,000,000 for it to work.
OpenSCAD was extreeeeemly unresponsive. Not going to try F6 ;)
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I'm not sure of the what's happening internally when the normalisation is
aborted. That may be the bug, or a limitation.?
But when the Warning is not occurring the difference() works properly.
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