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gCAP3D: Add gCAP3D installation#219

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gCAP3D: Add gCAP3D installation#219
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@core-man core-man commented Jul 22, 2021 •
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Description of proposed changes

Preview: https://seismo-learn.org/sitepreview/seismo-learn/software/gcap-install/gcap3d/install/

Addresses #42.

Refer to https://blog.seisman.info/gcap-install/

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core-man commented Jul 22, 2021
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source/gcap3d/install.rst
Comment on lines +47 to +48
SUBS = fft.o Complex.o radiats.o grid3d.o futterman.o sacio.o trap.o \
nrutil.o jacobi.o eigsrt.o
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README.md in gCAP3D says Sept. 17, 2019 LZ remove the dependence on Numerical Recipes.

I find it works if I don't download NR, so I will remove this line in the makefile.

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田冬冬好像说过3d不需要nr

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core-man commented Jul 22, 2021 •
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gCAP3D has some dependent packages, e.g., fk, SAC, GMT4, pssac, and so on. I think they could be classified by three to more:

  • Green Functions: fk or other codes to calculte synthetics
  • SAC lib: SAC
  • Plotting: GMT4 and pssac are used to plot waveforms and results. I think we could use GMT6 to rewrite those scripts instead.
  • Anything else? TauP?

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wangliang1989 commented Jul 22, 2021

gCAP3D has some dependent packages, e.g., fk, SAC, GMT4, pssac, and so on. I think they could be classified by three to more:

  • Green Functions: fk or other codes to calculte synthetics
  • SAC lib: SAC
  • Plotting: GMT4 and pssac are used to plot waveforms and results. I think we could use GMT6 to rewrite those scripts instead.
  • Anything else? TauP?

我没用过3d，但是算格林函数的肯定不是fk，fk是1d，不是3d。我建议最终能给用户的是gmt6的画图

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wangliang1989 reviewed Jul 22, 2021
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这个我需要挨着做一遍才能确定是否正确，我论文在下周内就完成了，因为7月31号是deadline

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core-man commented Jul 22, 2021

我没用过 3d，但是算格林函数的肯定不是fk，fk是1d，不是3d。我建议最终能给用户的是gmt6的画图

fk 负责 1D，3D 方法负责 3D.

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wangliang1989 commented Jul 22, 2021

我写的那个ohmycap能不能移动到你这个网站来，我觉得自己一个人维护很累@core-man

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wangliang1989 commented Jul 22, 2021

我写的那个ohmycap能不能移动到你这个网站来，我觉得自己一个人维护很累@core-man

或者有了3d，就不需要1d

我不知道为什么最近很多人来问我cap

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core-man commented Jul 22, 2021 •
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我写的那个ohmycap能不能移动到你这个网站来，我觉得自己一个人维护很累@core-man

这个网站不是用来维护和编写软件，而是软件的教程。我看了一下你的 ohmycap，大部分是教程和实例，如果你愿意把教程和实例等一点点迁移过来，一块维护自然更有利于教程的延续性。

不过可能不需要所有的都照搬过来，这里的软件尽量以直接从官方版本下载的源码开始。如果涉及到大量的源码修改，可能需要考虑是否有必要直接向作者反映，直接修改官方源码。

或者有了3d，就不需要1d

根据我的理解，二者的区别只是计算的格林函数是不是1D还是3D的。朱老师的 gCAP3D 只是给了 3D 的接口吧，其他步骤都是一样的。

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wangliang1989 commented Jul 22, 2021

我写的那个ohmycap能不能移动到你这个网站来，我觉得自己一个人维护很累@core-man

这个网站不是用来维护和编写软件，而是软件的教程。我看了一下你的 ohmycap，大部分是教程和实例，如果你愿意把教程和实例等一点点迁移过来，一块维护自然更有利于教程的延续性。

不过可能不需要所有的都照搬过来，这里的软件尽量以直接从官方版本下载的源码开始。如果涉及到大量的源码修改，可能需要考虑是否有必要直接向作者反映，直接修改官方源码。

或者有了3d，就不需要1d

根据我的理解，二者的区别只是计算的格林函数是不是1D还是3D的。朱老师的 gCAP3D 只是给了 3D 的接口吧，其他步骤都是一样的。

你先做吧，我有空了会来看

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core-man commented Jul 22, 2021
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source/gcap3d/install.rst
SUBS = fft.o Complex.o radiats.o grid3d.o futterman.o sacio.o trap.o \
nrutil.o jacobi.o eigsrt.o

- ``cap3D`` 规则中 ``-lsac -lsacio`` 后加上 ``-lm``
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SACLIB 后将上 -no-pie 参数，见 https://seismo-learn.org/software/fk/install/

@wangliang1989 wangliang1989 self-requested a review August 11, 2021 13:13
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gcap3d的正常运行除了依赖sac，还需要fk、gmt4和那个算3d格林函数的软件，后三项完全没有提及

source/gcap3d/gCAP3D1.2-v20210722.patch
+CAP = cap3D cap_dir mtdcmp radpttn

-SUBS = fft.o Complex.o radiats.o grid3d.o futterman.o sacio.o trap.o
+SUBS = fft.o Complex.o radiats.o grid3d.o futterman.o sacio.o trap.o \
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既然不需要NR了，就不要提这个了

source/gcap3d/install.rst
- 添加 ``FC=gfortran`` 指定使用 gfortran 编译器
- 给 ``FFLAGS`` 加上 ``-ffixed-line-length-none`` 使得 Fortran 一行可以超过 72 字符
- 添加 ``CC = gcc`` 指定使用 gcc 编译器
- 添加 ``SACHOME = /opt/sac`` 指定 SAC 软件的安装路径，用户需根据自身实际
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如果正常安装了sac，应该用环境变量中的SACHOME

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