gpkg | ๐ A global Node binary manager written in Rust | Runtime Evironment library
kandi X-RAY | gpkg Summary
kandi X-RAY | gpkg Summary
A consistent global binary manager for Node.js packages, built in Rust. Lock the correct Node.js version for binaries Works with fnm and nvm and any other Node.js version manager Single file, easy installation.
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Community Discussions
Trending Discussions on gpkg
QUESTION
I have used many times the same process of rasterization, which works fairly well:
...ANSWER
Answered 2022-Apr-11 at 14:17If I understand your question well (a reproducible example would have been appreciated), you want that all pixels in the rasterized polygons sum up to the harvested values ("my_variable" in your code).
Here I create a toy example to show you my reasoning:
first load the libraries
create toy data with an example total and harvested area
calculate the fraction of each pixel covered by the polygon
divide each cover fraction by the total area of the polygon and multiply it by the harvested area
QUESTION
I am reading data with the sf library (https://r-spatial.github.io/sf/reference/st_read.html)
ANSWER
Answered 2022-Apr-11 at 09:29Just a missing - " - :
QUESTION
I used osmnx to download a map and export as geopackages so that I can edit it in QGIS. After edit(mainly change CRS to GCJ-02๏ผ , I want to import the edited edges and nodes into osmnx as a graph to do some routing.
I imported them using
...ANSWER
Answered 2022-Apr-01 at 10:19Given what you describe, this warning is fully expected. If you have modified the geometry of the nodes and have not made x and y attributes consistent. Best illustrated by sample code below.
- first conversion back to a graph generates a warning
- second conversion after ensuring denormalised columns are consistent with geometry does not generate a warning
QUESTION
I have a raster and a shapefile:
...ANSWER
Answered 2022-Mar-03 at 07:10You are likely looking for mask; it lives in both oldish {raster} and shiny new {terra}.
Note that I had to rewrite your r object a bit, as it was not quite compatible with the Martinique vector object from {cartography}.
Edit: if, as seems to be indicated in the comments, you are looking for replacing with NAs the values inside the polygon (and not outside) my answer is still raster::mask(), only with a little tweaking of the masking object (you need the inverse of the polygon over the extent of your raster).
QUESTION
I have a spatial grid of dimension 72 col ร 24 rows. For this question, I tried to create a small polygon grid (3ร3) which I hope you can run in your PC too.
As you can see it is a 3ร3 grid, however the numbering of the grid cell starts from bottom left of the last row towards bottom right & again continues from left side of the middle row towards right.
...ANSWER
Answered 2022-Feb-28 at 15:55This could be one way you could get to your solution.
QUESTION
When I write my .gpkg I am losing the CRS. I have tried setting the CRS with .set_crs, or adding the CRS when writing the .gpkg (which creates a fault - "fiona._env - WARNING - dataset filename.gpkg does not support layer creation option EPSG"
My code
...ANSWER
Answered 2022-Feb-10 at 20:03vector.set_crs(4326) does not work in place by default. You either need to assign it or specify inplace=True.
QUESTION
sqlite3, err := sql.Open("sqlite3", "./map.gpkg")
if err != nil {
panic(err.Error())
}
_, err = sqlite3.Exec("select load_extension('mod_spatialite');")
if err != nil {
panic(err.Error())
}
ANSWER
Answered 2022-Jan-24 at 12:29You need to register extension using Extensions field of SQLiteDriver:
QUESTION
I have a geopandas GeoDataFrame with some attribute columns and a geometry column (just a regular GDF). Usually I save GDF's as GeoPackage giles (.gpkg) using:
...ANSWER
Answered 2022-Feb-01 at 19:46I believe this is just a limitation of the .gpkg format. However, I think the best workaround approach is to store the arrays as strings, like you suggested. You can easily convert them back into arrays in news gdf if you need to with ast literal_eval().
QUESTION
sql.Register("sqlite3_with_extensions",
&sqlite3.SQLiteDriver{
Extensions: []string{
"mod_spatialite",
},
})
db, err := sql.Open("sqlite3_with_extensions", "./map.gpkg")
if err != nil {
panic(err.Error())
}
query := "select AsText(geom) from level0"
rows, err := db.Query(query)
if err != nil {
panic(err.Error())
}
for rows.Next() {
var s []byte
rows.Scan(&s)
fmt.Print(s)
}
ANSWER
Answered 2022-Jan-25 at 12:01Try this:
QUESTION
I'm trying to generate a list of nodes on the shortest path between two nodes using st_network_paths(). However, I only get a single value for the node index in node_path.
It works with toy data but not real world data. What needs to happen to make the real world, stream network, play ball?
Line data available here
...ANSWER
Answered 2021-Dec-15 at 14:05The problem is that you are trying to compute a path between two different branches in a directed network:
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