projection Questions
2
I was testing Spring Data 1.10.4.RELEASE, following the example in Spring Data Docs http://docs.spring.io/spring-data/jpa/docs/current/reference/html/#projections
and I noticed some issues for whi...
Ingraham asked 22/10, 2016 at 16:48
5
I wish to determine the 2D screen coordinates (x,y) of points in 3D space (x,y,z).
The points I wish to project are real-world points represented by GPS coordinates and elevation above sea level.
...
Flight asked 31/3, 2009 at 15:12
3
Solved
I want to convert 360 videos from equirectangular to cubic projection. How can I do this with ffmpeg? What are other efficient open source approaches?
Bainmarie asked 29/1, 2016 at 19:9
3
Solved
As I am learning OpenGL I often stumble upon so-called eye space coordinates.
If I am right, you typically have three matrices. Model matrix, view matrix and projection matrix. Though I am not ent...
Montmartre asked 23/3, 2013 at 15:59
1
Solved
I converted a dataset with lat/lon to a geopandas dataframe (let's call it gpd). The gpd has no CRS, I was trying to project this gpd to "EPSG:3857" using:
gpd = gpd.to_crs("EPSG:38...
Fielder asked 5/4, 2020 at 23:42
3
Solved
I typically do mobile app development, which doesn't always have .Select. However, I've seen this used a bit, but I don't really know what it does or how it's doing whatever it does. It is anything...
Shot asked 23/4, 2014 at 18:5
3
Solved
Consider the following JAVA model for hibernate:
@Entity
@Table
public class Person {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
public Long id;
@Column
public String firstName;
@...
Dwain asked 12/3, 2020 at 2:45
2
Solved
I'm trying to project from my Order model to my OrderDTO model. Order has an enum. The problem is that projection doesn't work if I try to to get the Description attribute from the Enum. Here it's ...
Jasonjasper asked 5/6, 2018 at 0:34
3
Solved
I've got a mongodb aggregation pipeline with a $project stage and I'd like to include certain fields only if conditions are met. Specifically, I'd like to exclude the _id in one condition and inclu...
Obituary asked 20/6, 2016 at 23:12
2
Solved
I'm trying to implement Interface-based Projection but I cannot make it work with my custom type column.
Below example of what I'm trying to do:
Repository:
@Query(value = "SELECT customType fro...
Durnan asked 16/10, 2019 at 15:47
3
Solved
I need to write a python function or class with the following Input/Output
Input :
The position of the X-rays source (still not sure why it's needed)
The position of the board (still not sure wh...
Sewellel asked 14/8, 2019 at 15:24
2
I'm developing a 3D spacegame where the camera is in a constant 2D (top down) state. I am able to fire a projectile of speed (s) at a target moving at a given velocity and hit it every time. Great!...
Crosshead asked 24/5, 2018 at 18:27
3
Solved
I'm trying to find the visible size of a sphere in pixels, after projection to screen space. The sphere is centered at the origin with the camera looking right at it. Thus the projected sphere shou...
Perloff asked 8/2, 2014 at 16:32
1
Solved
I would like to draw circles in Cartopy in NorthPolarStereo projections, providing the center and radius in lat,lon units.
Similar and excellent questions and answers are available for Basemap he...
Emmons asked 11/7, 2019 at 14:39
1
Solved
I have downloaded the velocity field of the Greenland ice sheet from the CCI website as a NetCDF file. However, the projection is given as (see below, where x ranges between [-639750,855750] and y ...
Emmalynn asked 2/7, 2019 at 11:58
2
Solved
I have a mongodb collection which contains objects which have multiple properties (possibly a lot). One of this is an array of another object type, and this type has a boolean property StateChanged...
Onetoone asked 4/6, 2019 at 14:3
1
Solved
I am doing car tracking on a video. I am trying to determine how many meters it traveled.
I randomly pulled 7 points from a video frame. I made point1 as my origin
Then on the corresponding Googl...
Slocum asked 12/5, 2019 at 18:15
0
I have an Enumeratum enum and need to load it into a spark data frame. Obviously, this fails due to a missing encoder.
import enumeratum._
sealed trait Foo extends EnumEntry
object Foo extends En...
Ultracentrifuge asked 2/4, 2019 at 22:39
1
I'm trying to figure out how to append an axes to my polar projection. The newly added axes is supposed to wrap around the original polar axes like a ring.
For that purpose I tried to use append_a...
Pewit asked 21/2, 2019 at 19:33
10
Solved
I have this image. It's a map of the UK (not including Southern Ireland):
I have successfully managed to get a latitude and longitude and plot it onto this map by taking the leftmost longitude ...
Edvard asked 20/1, 2010 at 18:33
1
Solved
I have a fits file about an astronomical object. I can plot it like this:
from astropy.io import fits
from astropy.wcs import WCS
hdul = fits.open(fitsfilename)[0]
wcs = WCS(hdul.header)
fig = p...
Buchalter asked 9/1, 2019 at 12:14
3
Solved
I'm working of a fairly simple world globe interface using D3 and the D3.geo.projection to create a spinning globe with data points on it.
Everything worked fine (i.e. the points "eclipsed" when ...
Jonathonjonati asked 13/3, 2014 at 0:28
1
Solved
How can I filter fields with the mongo-go-driver.
Tried it with findopt.Projection but no success.
type fields struct {
_id int16
}
s := bson.NewDocument()
filter := bson.NewDocument(bson.EC.O...
Hickson asked 2/11, 2018 at 14:8
2
I get an H matrix using findHomography function.
H = findHomography(points_src, points_dst);
Then, I use H with warpPerspective to get a perspective projection of the image
warpPerspective(im...
Kaceykachina asked 22/2, 2017 at 16:18
1
Solved
I have been trying to convert the 360 degree camera, single fish eye image, to equirectangular viewer in node js for the past two days. In stackoverflow, the same question is asked and answered in ...
Shod asked 16/8, 2018 at 4:1
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