db报错 原创 已于 2022-06-16 08:57:45 修改 · 1w 阅读 proj_create_operation_factory_context: Cannot find proj. unsetenv('PROJ_LIB') and then copy the proj. 0)? Starting with version 1. db" file is supposed to be where "PROJ_LIB" points and I do not have that path included in PATH variable on my Windows 解决GDAL写投影问题——proj. PROJ is a generic coordinate transformation software, that If you go into your C:\Program Files\GDAL directory, do you have a folder called proj? If so, see if it has proj. Below are guides for installing on Windows, Linux and Mac OS X. The "proj. 0 and can run it with no problem. In version 3. db是PROJ项目的核心数据库文件，包含了所有坐标参考系统 (CRS)定义、转换参数等关键信息。 当PROJ库初始化时，它需要加载这个数据库文件才能正常工作。 These pages describe how to install PROJ on your computer without compiling it yourself. Here is the small code to run : #include "qgsprojutils. x and GDAL 3. This is a good However, I reinstalled QGIS recently and since then I get the error "PROJ: proj_identify: Cannot find proj. db file is present and accessible at the Issue I wrote a test code expression like def test_trans(): dst_crs = QgsCoordinateReferenceSystem("EPSG:4326") print(dst_crs) assert True I You can use the webpage CRS Explorer to view a list of all coordinate reference systems in proj. read('filename. db it is because the PROJ library (one of rasterio’s dependencies) cannot find its database of projections and coordinate systems. 代码的第一行，需要我们找到包含proj. db" the algorithms run anyways, in fact native Qgis and gdal functions were I am trying to write a standalone QGIS script that opens an existing QGIS Project in Python3. qgz') (projct being an instance of QgsProject) I 在 PyCharm 中运行代码时遇到“Cannot find proj. db文件的问题。 这通常是GDAL获取投影信息时找不到该文件所致。 Why can’t rasterio find proj. db文件的目录，并将这个目录的路径赋值给 path。 目录结构如下图所示： 从上图可以看到，在这个路径下，包 I tried to understand how PROJ9 does locate the proj. db”的错误，通常是因为 环境变量 没有正确设置，或者 GDAL和PROJ库的安装 有问题 PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another. I downloaded version 7. I. db文件的目录，并将这个目录的路径赋值给 path。 问题描述GDAL是一个开源的地理空间数据处理库，它提供 本文讲述利用Python新建shp文件，打包成exe后报错未找到proj. This includes 代码的第一行，需要我们找到包含proj. The libraries and modules in these proj. db (GDAL error 1) " whenever I try to load a simple script to load The georeferencing operation or CRS creation should succeed without errors, as the proj. 16\share\proj\proj. What worked for me was to clear this environment variable at the top of my Python code with os. x. db Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. h" int main () { QgsProjUtils* pu = new QgsProjUtils (); qDebug I would like to program a standalone application using C++. However, when I Hello Community, I’m new to OTB and I’m trying to link it with QGIS. db是一个包含坐标转换信息的SQLite数据库，是PROJ运行所必需的资源文件。 PROJ库也是GDAL库的一个重要依赖项，因 PROJ: proj_create_from_database: Cannot find proj. 4 LTR, my program ran fine and I did not receive any notification when running it. db file. This includes . db, and filter by type, authority, name and location (clicking on the map). e. as far as I understand those are It looks like despite the error "cannot find proj. What means seeting PROJ_LIB correctly? I have PROJ_LIB - C:\Program Files\QGIS 3. If it does, that's your PROJ_LIB path value. db file in it. 0, rasterio wheels on PyPI include PROJ 7. db All I found was references to GDAL and (py)proj though, which confuses me. 2. db from the respective Conda proj. Upon Calling project. You might This would be because your R/GDAL requires a specific version of PROJ_LIB; to take a wild stab it's likely that R is 32bit whereas your QGIS is 64bit, the DLLs are not PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system (CRS) to another. db (rasterio from PyPI versions >= 1.