#openscad on 2023-09-26 — irc logs at libera.irclog.whitequark.org

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05:36 <guso78k> teepee, yes i am very aware about the languages. once there are interfaces available in the code, i can relink to them.

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07:58 <guso78k> kintel, my borrowed mac with Catalina is really slow. i am compiling dependencies for 2 days already. But this brew tool has been very successful up to now!

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08:22 <kintel> guso78 That sounds a lot slower than expected. are you using macosx-build-dependencies.sh ?

08:26 <guso78k> kintel no, my strategy right now is to 'brew install' everything which cmake is missing. would you recommend using the macosx-build-dependencies instead ?

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08:41 <kintel> I haven't used brew in a long time, so I don't know - but I know that my script works

08:42 <kintel> Is it brew that has taken 2 days to build?

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08:44 <kintel> ..but why is brew even building? It should just install binaries?

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08:50 <guso78k> i was googling on how to install packages in mac(it advertised itself as the missing package manager in the mac), have also seen brew with beer in the CI logs, so i thought it was fine.

08:51 <guso78k> brew compiles all the packages from source and it includes all the options, this is why it takes so long

08:51 <guso78k> but yes: i interrupted and using your script instead, which deems to be faster ...

08:52 <kintel> Brew has binaries for a number of old macos versions, so it's usually very fast to install even big packages

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09:07 <kintel> guso78 also, sometimes it's worth upgrading old macs, but perhaps not so cool for a borrowed machine :)

09:10 <kintel> guso78 Btw. do you figure out the CMake VERSION_LESS issue?

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09:28 <guso78k> kintel sorry no, i am compiling with the internal csg right now(found out that i had to do submodule update first)

09:33 <gbruno> [github] kintel pushed 3 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/799716e3c6eafa957636afd509231cdb355f0d4a

09:33 <gbruno> [github] kintel opened pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

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11:06 <gbruno> [github] kintel synchronize pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

11:06 <gbruno> [github] kintel pushed 3 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/104f6a17ad6e031cffa65a311fb31832c174e43c

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13:25 <invultri> inf=1/0;

13:25 <invultri> ^ is there a prettier way of doing that?

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13:36 <teepee> invultri: I don't think there is currently

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14:16 <J23k53> more annoying is echo(is_num(inf));

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15:03 <gbruno> [github] pca006132 opened issue #4762 (customizer no longer show string lists) https://github.com/openscad/openscad/issues/4762

15:11 <invultri> so with -D I could set a constant for a specific view to export?

15:31 <InPhase> J23k53: function is_nan(x) = x != x; function is_finite(x) = 2*x+1 != x;

15:32 <InPhase> J23k53: I'm not aware of numerical values that fail those checks, but if there are and I missed anything, please let me know. :)

15:33 <InPhase> Oh wait, I'm suddenly aware of a numerical value that fails that check...

15:35 <InPhase> function is_nan(x) = x != x; function is_finite(x) = 2*x != x && x+1 != x;

15:35 * InPhase updates his file.

15:37 <InPhase> function is_nan(x) = x != x; function is_finite(x) = 2*x != x || x+1 != x;

15:37 <InPhase> Testing is important...

15:40 <InPhase> function is_nan(x) = x != x; function is_finite(x) = !is_nan(x) && (2*x != x || x+1 != x);

15:40 <InPhase> And you can never test enough.

15:40 <InPhase> It seems likely that can be consolidated though with a little careful thought.

15:42 <InPhase> Also, these should probably be built-ins.

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16:00 <gbruno> [github] kintel pushed 3 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/83b7e399f2085dcaa32d7d3114589f081e0c2a0c

16:00 <gbruno> [github] kintel synchronize pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

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16:28 <invultri> https://imgur.com/a/bZyjQHH did I miss anything on this dimension drawing?

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16:48 <J23k53> invultri i would use some arrows - also it is (for me) quite unclear what dimensions these as it seems you indicate the center line and not thicknesses

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16:51 <invultri> center or outside dims yes

16:55 <invultri> I do plan to make a general detail drawing to actually cope with the widths of common elements

16:55 <invultri> the arrows... tend to take up more pixels than I have

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17:18 <invultri> but it is a rather interesting exercise to annotate

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19:24 <gbruno> [github] kintel synchronize pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

19:24 <gbruno> [github] kintel pushed 4 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/456c2bdf36273ea615c6a7f9eede9dd3cdd50a40

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20:17 <gbruno> [github] kintel pushed 4 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/601f3bd34f52efaf9713b58dcb86074e99d1ee06

20:17 <gbruno> [github] kintel synchronize pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

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20:25 <kintel> guso78 FYI: I used fedora:latest to configure OpenSCAD and OpenCSG got picked up correctly there:

20:25 <kintel> -- OpenCSG include found in /usr/include

20:25 <kintel> -- OpenCSG library found in /lib64/libopencsg.so

20:25 <kintel> -- OpenCSG: 1.5.0

20:25 <kintel> Fedora release 38 (Thirty Eight)

20:37 <Lagopus`> when calling openscad from a shell, are there arguments that can be passed through as $special_variables or something similar?

20:39 <teepee> Lagopus`: yes openscad -Da = 10

20:39 <teepee> well, in quotes

20:39 <teepee> and you need to declare the variable at the top with some sort of default

20:39 <Lagopus`> -D "a = 10" ? thanks, I shall try

20:40 <kintel> https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_OpenSCAD_in_a_command_line_environment#Constants

20:42 <Lagopus`> so in essence, 'a' is defined in the .scad but then reassigned a value from the shell argument

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20:47 <teepee> yes, the technical solution (not to be relied on ;-) is that it just adds this to the end of the file

20:48 <teepee> which can be used for crazy stuff, which may break eventually

20:48 <teepee> like in 50 years or so :)

20:48 <Lagopus`> this is great. horizons = expanded

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20:58 <gbruno> [github] kintel pushed 5 modifications (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/commit/fa7802ad7d78c64e598786a5f970dbe132ed2aa9

20:58 <gbruno> [github] kintel synchronize pull request #4761 (Fall back to GLX if EGL isn't available) https://github.com/openscad/openscad/pull/4761

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