projection

JPA Projection with custom collection property

狂风中的少年 提交于 2021-01-29 09:47:19
问题 We are using Spring Data and trying to create a custom query with a subquery, results projection have an array and other properties, our problem is with the subquery array. public interface ProfesionalRepository extends JpaRepository<Profesional, Long> { @Query("SELECT p.id as idProfesional, " + " p.name as name, " + " p.surname as surname, " + " (SELECT a.descripcionIlt FROM Ausencia a WHERE a.profesional.id = p.id) as exclusionesCenso " + " FROM Profesional p ") List

How to convert projection of png tile from epsg:4326 to epsg:3857 by one command using gdal

随声附和 提交于 2021-01-28 20:50:41
问题 I have tiled png files and those projection is EPSG:4326. I convert projection to EPSG:3857 with below 2 commands: gdal_translate -of Gtiff -a_ullr 135.00000000000003 36.59788913307022 140.62500000000003 31.952162238024975 -a_srs EPSG:4326 4326.png 4326.tiff gdalwarp -s_srs EPSG:4326 -t_srs EPSG:3857 4326.tiff 3857.png Can I make it with 1 command ? 回答1: I don't know how to do it with one command, but if you are working on a Unix-like environment, you can use a pipe to avoid creating an

Output of projectPoints() function

烂漫一生 提交于 2020-12-15 03:43:35
问题 i used projectPoints() function of OpenCV to do projection from world coordinates to pixel coordinates, the output image points are vector point2f, how can I extract the x,y coordinates from imagePoints? seconde question, some of the imagePoints are negative like below: I just project 2 points and these are the results [[[-37.95361728 316.5438248 ]] [[204.89090594 316.5144533 ]]] if I show these coordinates without the negative sign on the image it is correct first why i get a negative sign