Top "Projection" questions

A projection is the transformation of a set of data from one form into another.

3d to 2d Projection Matrix

I have 3 points in a 3D space of which I know the exact locations. Suppose they are: (x0,y0,z0), (…

3d geometry matrix 2d projection
How to apply a transformation matrix?

I am trying to get the 2D screen coordinates of a point in 3D space, i.e. I know the …

3d projection
Using Projections in JPA 2

I need to convert a Hibernate criteria query like the following curList = session.createCriteria(Islem.class) .createAlias("workingDay", "d") .setProjection(…

hibernate jpa-2.0 projection criteria-api hibernate-criteria
Reconstruct 3D-Coordinates in Camera Coordinate System from 2D - Pixels with side condition

I am trying to reconstruct 3D-Coordinates from the 2D-Pixel-Coordinates in a Camera Picture using a side condition (in MatLab). I …

matlab computer-vision projection intrinsics 3d-reconstruction
How to set QGraphicsScene/View to a specific coordinate system

I want to draw polygons in a QGraphicsScene but where the polygons has latitude/longitude positions. In a equirectangular projection …

qt projection qgraphicsview qgraphicsscene
PROJECTION in vertica database

Could someone explain me the concept of PROJECTION in vertica database with an example query?

database projection vertica
Projection- Transforming 3d to 2d

I have problem or well, I do not know how to transform 3d point with x,y,z values to 2…

math graph matrix projection
what is a projection in LINQ, as in .Select()

I typically do mobile app development, which doesn't always have .Select. However, I've seen this used a bit, but I …

linq projection
Convert lat/lon to pixel coordinate?

I'm trying to convert a lat/lon pair to a pixel coordinate. I have found this mercator projection but I …

javascript geometry trigonometry projection
Kinect intrinsic parameters from field of view

Microsoft state that the field of view angles for the Kinect are 43 degrees vertical and 57 horizontal (stated here) . Given these, …

math geometry kinect projection camera-calibration