摘要：开始准备的步骤Osmosis工具https://wiki.openstreetmap.org/wiki/OsmosisOsmfilter工具https://wiki.openstreetmap.org/wiki/Osmfilterosm2shp在线工具https://geoconverter.hsr 阅读全文

摘要：from skimage import data, io, filters import numpy as np image = io.imread("./meinv.jpg")# a gray-image is MxN, an RGB-image MxNx3 and an RGBA-image M 阅读全文

摘要：Centos7 安装Postgres11和PostGIS （更改数据目录） 0. 关闭防火墙 看centos7的防火墙的状态 $ sudo systemctl status firewalld 关闭防火墙 $ sudo systemctl stop firewalld1. 查看已经安装的postgr 阅读全文