[mkgmap-dev] Magic highway symbols on Vista CX failingFrom Alexander Wittig alexander at wittig.name on Fri Jul 31 18:54:41 BST 2009
Hello I seem to have a problem with the default style and the highway tagging on my Garmin Vista CX with mkgmap rev. 1114. When I tag highway=secondary, name=Grand River and ref=MI 123, the result is a road with name "Road". It works as expected, however, with highway=primary. So I did some research and I think the problem is that not all of the "magic" symbols in src/uk/me/parabola/mkgmap/osmstyle/actions/HighwaySymbolFilter.java are available on the unit. Also they are named wrongly for this unit. I made an OSM test file to check all symbol names given in the above source file. It contains parallel road segments with ref=MI 43 name=Grand River I-VI and highway tags of motorway,trunk,primary,secondary,tertiary,residential respectively. Then I used a slightly modified default line style (which assigns one highway symbol to each of the above road types) to generate a map with the --gmapsupp command switch. After uploading the result to my Vista CX, it renders like in this picture. The styles are (from bottom to top): interstate,shield,round,hbox,box,oval. Some remarks: * Styles "interstate" and "shield" look exactly like hbox and box but they prepend "US" and "Hwy." to the reference (only appears when hovering the pointer over the street). This is not so useful for OSM data, since the US tagging scheme in the Wiki says those should be included in the ref tag (i.e. ref="I 94" or ref="US 127"). * Style "box" is misnamed, as it produces an oval * Style "oval" does not work, it seems to break the entire name of the road * Style "round" is misnamed, it produces a framed box I don't know how other units render these symbols, so I can't say whether the names should be changed or not. But I do think that "oval" should at least not be used in the default style for secondary roads, as it actually breaks the name display on my (not quite uncommon) unit. If you need more information or want me to run more tests, please let me know. Alexander  http://alex.wittig.name/sonstiges/mkgmap/test.osm  http://alex.wittig.name/sonstiges/mkgmap/lines  http://alex.wittig.name/sonstiges/mkgmap/gmapsupp.img  http://alex.wittig.name/sonstiges/mkgmap/P1020125.JPG
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