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</o:shapelayout></xml><![endif]--></head><body lang=FR link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>Hi Diego,<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>I had a very similar issue when I used the same procedure : Hgt2osm then mkvmerge, etc..<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>(see https://www.mkgmap.org.uk/pipermail/mkgmap-dev/2022q1/033808.html )<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>To solved the issue, <u>I change all my procedure to have perfect contourlines, avoiding mainly to use mkvmerge</u>.<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>First :<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>From all hgt xxxxxx.hgt files I generate the corresponding xx.osm.gz files with Hgt2osm (to be adapted)<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>"hgt2osm –-HgtPath=E:\Gps-Topo\00-Convers-MAN-Contours-Hgt-Osm\HGT-AFAIRE --MinBoundingbox=0.00016 --DouglasPeucker=0.12 --OutputOverwrite=false --MinorDistance=5 --MaxThreads=30"<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>After <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>1) I splitt all xx.osm.gz with splitter(to be adapted) :<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>CMD /K java -XmxNNNNNm -jar e:\Gps-Topo\splitter\splitter.jar --keep-complete=false --mapid=85000001 --max-nodes=2100000 --polygon-file=e:\Gps-Topo\00-Convers-MAN-Contours-Hgt-Osm\Contours-5m\limites.poly --output-dir=e:\Gps-Topo\01-Contours-5m-Split\ e:\Gps-Topo\00-Convers-MAN-Contours-Hgt-Osm\Contours-5m\*.osm.gz<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>2) Then, I use mkgmap to produce contourlines (to be adapted)<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>CMD /c Java -Xmx11000m -ea -jar e:\Gps-Topo\mkgmap\mkgmap.jar --latin1 --transparent --mapname=85000001 --show-profiles=0 --read-config=E:\Gps-Topo\HGT\listedem --dem-dists=5520 --dem-poly=e:\Gps-Topo\00-Convers-MAN-Contours-Hgt-Osm\Contours-5m\limites.poly --style-file=e:\Gps-Topo\mkgmap\perso.zip --gmapsupp -c template.args *.pbf<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>Best Regards,<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB style='mso-fareast-language:EN-US'>Gerard<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>De :</b> mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> <b>De la part de</b> helter skelter<br><b>Envoyé :</b> jeudi 30 mars 2023 17:36<br><b>À :</b> mkgmap-dev@lists.mkgmap.org.uk<br><b>Objet :</b> [mkgmap-dev] Problems with contours<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Hello guys<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>I don't know if this is the right place to ask: please forgive me if not and delete my request.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>I have a problem with contours, generated from DEM HGT files, downloaded both from Nasa and Viewfinder, and tried with different Douglas-Peucker values.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>I get empty spaces in some areas of the map, close to the state/region border, and squares with no DEM data, as you can see in this picture (this is the north part of Trentino Alto Adige, north of Italy):<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><img width=1644 height=856 style='width:17.125in;height:8.9166in' id=imageSelected0 src="cid:image001.png@01D96B98.D84DD200"></span><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>I use HGT2OSM and OSMCONVERT to process all HGTs and obtain a single OSM file, the I split it with the Splitter.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Then I merge everything in a single IMG file with MKGMAP.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Do you know what could be the reason of this problem and how to solve ?<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Thank you in advance for all your help<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'>Diego<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div></div></body></html>