Rendering cancelled. UI-WARNING: No top level geometry to render

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Rendering cancelled. UI-WARNING: No top level geometry to render

OpenSCAD mailing list-2
I have a relatively simple model. Preview (F5) is done in less than a second.
Rendering (F6) does not finish overnight.
It fails.
Last time after many attempts and changes in the preferences It stoped with
the error:
Rendering canceled.
UI-WARNING: No top-level geometry to render.
This is my code:
//Ellipse Pendant.
//================


module cir(){
r=0.8;
$fn=32;
translate([-3.5,3.5,0])
rotate_extrude(convexity = 10)
translate([2, 0, 0])
circle(r);

translate([3.5,3.5,0])
rotate_extrude(convexity = 10)
translate([2, 0, 0])
circle(r);

translate([0,-1.8,0])
rotate_extrude(convexity = 10)
translate([2.4, 0, 0])
circle(r);
}
module glob(){
r=0.8;
$fn=32;
for (i=[0:360/6:360]){
     rotate([i,0,0])
rotate_extrude(convexity = 10)
translate([10, 0, 0])
circle(r);}

for (i=[0:360/8:360]){
     rotate([0,0,i])
rotate([90,0,0])
rotate_extrude(convexity = 10)
translate([10, 0, 0])
circle(r);}
}

scale([1,1.5,1]){//===================================
translate([0,0,-1])
difference(){
glob();
translate([0,0,-25])
cube(50,true);}



{
r=1;
$fn=32;
rotate_extrude(convexity = 10)
translate([18, 0, 0])
circle(r);

for (i=[0:360/10:360]){
    rotate([0,0,i])
    translate([0,17,0])
    cir();}

rotate_extrude(convexity = 10)
translate([11.5, 0, 0])
circle(r);
}
}//=============================================

module mitle(){
r=0.5;
$fn=32;
rotate([-40,0,0]){
difference(){
color("brown")
rotate_extrude(convexity = 10)
translate([3, 0, 0])

circle(r);
translate([0,10.6,0])
cube(20,true);}
}

difference(){
translate([0,100,0])
scale([1,2,1])
color("brown")
rotate_extrude(convexity = 10)
translate([50, 0, 0])
circle(.25);  
cylinder(20,3,3,true);}
}
//translate([0,33,-1])
//mitle(); <http://forum.openscad.org/file/t533/Ellipse_Pendant.png>



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Re: Rendering cancelled. UI-WARNING: No top level geometry to render

nophead
Worked fine for me in about 11 minutes:

OpenSCAD 2019.05


Parsing design (AST generation)...

Saved backup file: C:/Users/ChrisP/Documents/OpenSCAD/backups/unsaved-backup-dxVfaOqJ.scad

Compiling design (CSG Tree generation)...

Rendering Polygon Mesh using CGAL...

Geometries in cache: 32

Geometry cache size in bytes: 3400584

CGAL Polyhedrons in cache: 19

CGAL cache size in bytes: 332219616

Total rendering time: 0 hours, 10 minutes, 50 seconds

Top level object is a 3D object:

Simple: yes

Vertices: 39792

Halfedges: 214600

Edges: 107300

Halffacets: 134766

Facets: 67383

Volumes: 2

Rendering finished.



On Thu, 9 Apr 2020 at 17:35, Jaacov Molcho via Discuss <[hidden email]> wrote:
I have a relatively simple model. Preview (F5) is done in less than a second.
Rendering (F6) does not finish overnight.
It fails.
Last time after many attempts and changes in the preferences It stoped with
the error:
Rendering canceled.
UI-WARNING: No top-level geometry to render.
This is my code:
//Ellipse Pendant.
//================


module cir(){
r=0.8;
$fn=32;
translate([-3.5,3.5,0])
rotate_extrude(convexity = 10)
translate([2, 0, 0])
circle(r);

translate([3.5,3.5,0])
rotate_extrude(convexity = 10)
translate([2, 0, 0])
circle(r);

translate([0,-1.8,0])
rotate_extrude(convexity = 10)
translate([2.4, 0, 0])
circle(r);
}
module glob(){
r=0.8;
$fn=32;
for (i=[0:360/6:360]){
     rotate([i,0,0])
rotate_extrude(convexity = 10)
translate([10, 0, 0])
circle(r);}

for (i=[0:360/8:360]){
     rotate([0,0,i])
rotate([90,0,0])
rotate_extrude(convexity = 10)
translate([10, 0, 0])
circle(r);}
}

scale([1,1.5,1]){//===================================
translate([0,0,-1])
difference(){
glob();
translate([0,0,-25])
cube(50,true);}



{
r=1;
$fn=32;
rotate_extrude(convexity = 10)
translate([18, 0, 0])
circle(r);

for (i=[0:360/10:360]){
    rotate([0,0,i])
    translate([0,17,0])
    cir();}

rotate_extrude(convexity = 10)
translate([11.5, 0, 0])
circle(r);
}
}//=============================================

module mitle(){
r=0.5;
$fn=32;
rotate([-40,0,0]){
difference(){
color("brown")
rotate_extrude(convexity = 10)
translate([3, 0, 0])

circle(r);
translate([0,10.6,0])
cube(20,true);}
}

difference(){
translate([0,100,0])
scale([1,2,1])
color("brown")
rotate_extrude(convexity = 10)
translate([50, 0, 0])
circle(.25); 
cylinder(20,3,3,true);}
}
//translate([0,33,-1])
//mitle(); <http://forum.openscad.org/file/t533/Ellipse_Pendant.png>



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Re: Rendering cancelled. UI-WARNING: No top level geometry to render

Peter Ragosch
In reply to this post by OpenSCAD mailing list-2
Am Thu, 9 Apr 2020 09:34:17 -0700 (MST)
schrieb Jaacov Molcho via Discuss <[hidden email]>:

> I have a relatively simple model. Preview (F5) is done in less than a
> second. Rendering (F6) does not finish overnight.
> It fails.
> Last time after many attempts and changes in the preferences It
> stoped with the error:
> Rendering canceled.
> UI-WARNING: No top-level geometry to render.


Successfully run
OpenSCAD Version: 2020.04.05.nightly (git 9ee2faa)
System information: Linux 4.12.14-lp151.28.44-default #1 SMP Fri Mar 20 18:20:20 UTC 2020 (dbf1aea) x86_64 openSUSE Leap 15.1 4 CPUs 31.31 GB RAM
User Agent: OpenSCAD/2020.04.05.nightly (git 9ee2faa) (Linux x86_64; openSUSE Leap 15.1)
Compiler: GCC "7.4.0" 64bit
MinGW build: No
Debug build: No
Boost version: 1_66
Eigen version: 3.3.4
CGAL version, kernels: 4.12.2, Cartesian, Extended_cartesian, Epeck
OpenCSG version: OpenCSG 1.3.2
Qt version: 5.9.7
QScintilla version: 2.10.4
InputDrivers:
GLib version: 2.54.3
lodepng version: 20180910
libzip version:
fontconfig version: 2.12.6
freetype version: 2.9.0
harfbuzz version: 1.7.5
lib3mf version: (not enabled)
Features: input-driver-dbus, function-literals, lazy-union
Application Path: /usr/bin
....

Console output:

Parsing design (AST generation)...
Compiling design (CSG Tree generation)...
Rendering Polygon Mesh using CGAL...
Geometries in cache: 202
Geometry cache size in bytes: 8444104
CGAL Polyhedrons in cache: 19
CGAL cache size in bytes: 332219616
Total rendering time: 0 hours, 4 minutes, 47 seconds
   Top level object is a 3D object:
   Simple:        yes
   Vertices:    39792
   Halfedges:  214600
   Edges:      107300
   Halffacets: 134766
   Facets:      67383
   Volumes:         2
Rendering finished.

--
Mit freundlichen Grüßen
Best Regards

Peter Ragosch


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Re: Rendering cancelled. UI-WARNING: No top level geometry to render

MichaelAtOz
Administrator
In reply to this post by OpenSCAD mailing list-2
The only way to get *Rendering canceled. *

<http://forum.openscad.org/file/t359/Rendering_cancelled.png>



-----
Admin - email* me if you need anything,  or if I've done something stupid...

* click on my MichaelAtOz label, there is a link to email me.

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. Obviously inclusion of works of previous authors is not included in the above.

--
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_______________________________________________
OpenSCAD mailing list
[hidden email]
http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
Admin - email* me if you need anything, or if I've done something stupid...
* click on my MichaelAtOz label, there is a link to email me.

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.
Obviously inclusion of works of previous authors is not included in the above.