[Geotools-devel] [JIRA] (GEOT-5141) CRS.findMathTransform from EPSG:2400 to EPSG:3006 wrong

[Marius Eggen (JIRA)]

Title: Message Title

Marius Eggen created an issue   GeoTools / GEOT-5141 CRS.findMathTransform from EPSG:2400 to EPSG:3006 wrong Issue Type: Bug Affects Versions: 13.1 Assignee: Unassigned Attachments: test.java Components: referencing Created: 02/Jun/15 1:49 PM Environment: Linux mint 14.04 JDK 7 maven-jetty-plugin 6.1.26 springframework 4.0.5.RELEASE Labels: CRS transform RT90 SWEREF99 Priority: Medium Reporter: Marius Eggen Conversion from EPSG:2400(RT90) to EPSG:3006(SWEREF99) is off by about 130m in the east direction and about 240m in the north direction. Tested coordinates in EPSG:2400: 6729730, 1573421 Given from geotools in test given: 6728972, 617608 Correct coordinates after transform: 6728838, 617366 Correct coordinates can be found from http://rl.se/rt90 which our swedish customer gave me. I have also tested coordinates in QGIS and it gives the same result as rl.se QGIS: 6728837.86 617365.5 QGIS Conversion parameters: EPSG:2400 +proj=tmerc +lat_0=0 +lon_0=15.80827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=414.1,41.3,603.1,-0.855,2.141,-7.023,0 +units=m +no_defs EPSG:3006 +proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs Add Comment   This message was sent by Atlassian JIRA (v6.5-OD-05-041#65001-sha1:e07c9f6)

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