<div dir="auto">You need to voidfill the hgt files firstĀ </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Apr 10, 2023, 04:38 helter skelter <<a href="mailto:hskelter@hotmail.com">hskelter@hotmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Hello guys</div>
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I don't know if this is the right place to ask: please forgive me if not and delete my request.</div>
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I have a problem with contours, generated from DEM HGT files, downloaded both from Nasa and Viewfinder, and tried with different Douglas-Peucker values.</div>
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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):</div>
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<img style="max-width:100%" id="m_-9137318085559387291imageSelected0" size="1854440" src="cid:7f488b98-a01f-4538-bd2a-fe8ca3b4d4fa"></div>
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I use HGT2OSM and OSMCONVERT to process all HGTs and obtain a single OSM file, the I split it with the Splitter.</div>
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Then I merge everything in a single IMG file with MKGMAP.</div>
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Do you know what could be the reason of this problem and how to solve ?</div>
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Thank you in advance for all your help</div>
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Regards,</div>
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Diego</div>
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