projection

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square to trapezoid

I know that transforming a square into a trapezoid is a linear transformation, and can be done using the projective matrix, but I\'m having a little trouble figuring out how to construct the matrix.[详细]

2023-03-09 01:54 分类：问答
Need to aggregate boolean type column value in hibernate

I have a table with one of the column as boolean type and I need use group by projection on another column. Now I want all the columns in select list. So i need to use aggregate function on all the c开[详细]

2023-03-09 00:41 分类：问答
Android: MapView draw circle with dynamic radius (in meters)

My known data are my current location (GeoPoint) and radius in meters. I want to draw circle around my current location based on map projection and radius.[详细]

2023-03-08 02:19 分类：问答
Projection Problem in Kalman Filter for Navigation

I am currently working on a simple and small Kalman-Filter for GPS-Navigation. I am getting from my GPS-Sensor the current location, course angle and speed. So the Kalman-Filter should fuse the curren[详细]

2023-03-07 19:23 分类：问答
glortho zox plane projection

I need to make an opengl project开发者_JS百科ion on a plane paralel with XOZ plane (perpendicular on OY).[详细]

2023-03-07 10:50 分类：问答
Rotation around Z from a non-skew, affine orthogonal projection matrix

I can\'t seem to find an answer to what I thought should be a fairly straightforward problem. I\'m trying to get the z-rotation of a matrix which represents the scale, transform and rotation of an or[详细]

2023-03-03 00:40 分类：问答
3D Projection Issue: Z Value doesn't lie in [1,-1] after Perspective Divide

I\'m trying to doa 开发者_C百科simple perspective projection in the process of rasterizing a 3D point. Here are all the matrices and other info. All Matrices are row major. The coordinate system is Ri[详细]

2023-03-02 14:45 分类：问答
nhibernate criteria projection results in inefficient queries

Please see the following example which is a very simplified version of my code: Dim Criteria = Session.CreateCriteria(Of Person)()[详细]

2023-03-01 07:36 分类：问答
Hibernate projection on many-to-many property

I\'m using Hibernate 3.3.2. I have class A, which has a property b, which maps a many-to-many relation to B.[详细]

2023-02-28 01:12 分类：问答
How can i get linq to sql to map my type when i use a parameterized constructor?

I know that L2S is not designed to map custom/POCO types to L2S-entity types without the object initializer syntax. But is there a back-book way to achieve this so that i can project into开发者_高级运[详细]

2023-02-23 03:48 分类：问答