projection

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QR Codes - Camera Orientation/Projection

I am looking for a library or method to decode a QR Code (or potentially another form 开发者_开发技巧of 2d barcode) and to be able to actually determine the camera position and orientation. This seems[详细]

2023-01-15 22:52 分类：问答
Projecting a 3D point to 2D screen space using a perspective camera matrix

I am attempting to project a series of 3D points onto the screen using a perspective camera matrix. I do not have world space (or consider it being an identity matrix) and my camera does not have came[详细]

2023-01-15 22:23 分类：问答
If a world matrix and camera matrix are both identity matrices, can they be omitted?

This is a basic question about the need for world and camera space matrices when each are identity matrices. Can they be omitted when calculating a 2D projection? I\'m pretty sure that they can, altho[详细]

2023-01-15 16:37 分类：问答
Doing Eager Loading and Projection in Linq to Entities

This is a spin off from another question I posted a few days ago that was successfully answered but it really didn\'t get into the underlying issue I was having but wasn\'t able to express fully in my[详细]

2023-01-08 22:05 分类：问答
Perspective projection - how do I project points which are behind 'camera'?

I\'m writing my own software rasterizer in Java, and I ran into some trouble with it... take a look at a sample image, please:[详细]

2023-01-08 14:14 分类：问答
Hibernate - setProjection after Criteria after Criteria

why is this not possible? Criteria crit1 =sess.createCriteria(Criteria1Class.class); Criteria crit2 = crit1.createCriteria(\"criteria2Class\");[详细]

2023-01-07 06:27 分类：问答
How do you put raw-sql projections in an object using Hibernate?

Let\'s say I have a query that begins with the following projections: SELECT t.term as term, count(g.id) as amount[详细]

2023-01-06 14:15 分类：问答
Full object projection with additional values in LINQ

Is it possible to project every property of an object and add more, without s开发者_JAVA百科pecifically listing them all. For instance, instead of doing this:[详细]

2023-01-04 21:00 分类：问答
Subsonic 3 LINQ Projection issue, fixed or no?

I\'m currently experiencing the issue mentioned here (and several other places): Subsonic 3 Linq Projection Issue[详细]

2023-01-04 10:39 分类：问答
Projection on a plane using a 2*3 matrix

I can easily draw the projection of a 3D set of points onto the plane with normal vector (1,1,1), by using the matrix[详细]

2023-01-01 02:05 分类：问答