<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div style="" class=""><br style="" class="">I don't think this task can be accomplished automatically, but if it could be possible it will be awesome!<br class="" style="" clear="none">Anyway, I've found this article:<br class="" style="" clear="none">http://mike.teczno.com/notes/hachures.html<br style="" class="" clear="none">Greetings</div><div style="display: block;" class="yahoo_quoted"> <div class="" style="font-family: HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt"> <div class="" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt"> <div style="" class="" dir="ltr"> <font style="" class="" face="Arial" size="2"> Il Mercoledì 23
Aprile 2014 14:43, Frank Broniewski <brfr@metrico.lu> ha scritto:<br style="" class=""> </font> </div> <div style="" class="">Hey,<br style="" class="" clear="none"><br style="" class="" clear="none">thank you for your answer. I will definitely try that out, Although I am<br style="" class="" clear="none">not yet convinced that automatic hachure generation is doable in QGIS.<br style="" class="" clear="none">I've seen more possibilites for doing this in a Autocad extension/<br style="" class="" clear="none">plugin (Quvadis).<br style="" class="" clear="none"><br style="" class="" clear="none">Frank<br style="" class="" clear="none"><br style="" class="" clear="none">Am 2014-04-21 02:58, schrieb maning sambale:<br style="" class="" clear="none">> Another approach would be from a DEM, generate slope and aspect. Add<br style="" class="" clear="none">> the values to a point vector layer and follow Imhof's rules.<br style="" class=""
clear="none">> <br style="" class="" clear="none">> I made a similar experiment many moons ago. Check the last two photos<br style="" class="" clear="none">> in this post:<br style="" class="" clear="none">> <a style="" class="" shape="rect" href="http://epsg4253.wordpress.com/2012/05/14/alternatives-to-relief-shading/" target="_blank">http://epsg4253.wordpress.com/2012/05/14/alternatives-to-relief-shading/</a><br style="" class="" clear="none">> <br style="" class="" clear="none">> "The arrows depicts the direction of the surface (aspect) while the<br style="" class="" clear="none">> line thickness depicts the steepness of the gradient (slope)."<br style="" class="" clear="none">> <br style="" class="" clear="none">> On Fri, Apr 18, 2014 at 3:36 PM, Frank Broniewski <<a style="" class="" shape="rect" ymailto="mailto:brfr@metrico.lu" href="mailto:brfr@metrico.lu">brfr@metrico.lu</a>> wrote:<br style="" class=""
clear="none">>> Hi,<br style="" class="" clear="none">>><br style="" class="" clear="none">>> I'd like to construct manually some hachures in order to show the<br style="" class="" clear="none">>> terrain form, like in ye olde maps<br style="" class="" clear="none">>> (<a style="" class="" shape="rect" href="http://en.wikipedia.org/wiki/Hachure_map" target="_blank">http://en.wikipedia.org/wiki/Hachure_map</a>)<br style="" class="" clear="none">>><br style="" class="" clear="none">>> I am working with contours that I have available. Using the snapping<br style="" class="" clear="none">>> options I can already draw lines between two contour lines just fine,<br style="" class="" clear="none">>> but a hachure line is usually drawn in the direction of the steepest<br style="" class="" clear="none">>> slope. So it would be useful to have a length indicator, just like with<br style="" class=""
clear="none">>> the measurement tool, when digitizing lines. Because the shortest<br style="" class="" clear="none">>> distance between two points would represent the steepest slope and that<br style="" class="" clear="none">>> is what I want to know.<br style="" class="" clear="none">>><br style="" class="" clear="none">>> So how can I get the current line length while digitizing? Is there some<br style="" class="" clear="none">>> plugin? I am also not afraid of using Python to achieve this, but I've<br style="" class="" clear="none">>> never done any QGIS modding so far ...<br style="" class="" clear="none">>><br style="" class="" clear="none">>> Many thanks,<br style="" class="" clear="none">>><br style="" class="" clear="none">>> Frank<br style="" class="" clear="none">>><br style="" class="" clear="none">>><br style="" class="" clear="none">>> --<br style=""
class="" clear="none">>> Frank BRONIEWSKI<br style="" class="" clear="none">>><br style="" class="" clear="none">>> METRICO s.à r.l.<br style="" class="" clear="none">>> géomètres<br style="" class="" clear="none">>> technologies d'information géographique<br style="" class="" clear="none">>> rue des Romains 36<br style="" class="" clear="none">>> L-5433 NIEDERDONVEN<br style="" class="" clear="none">>><br style="" class="" clear="none">>> tél.: +352 26 74 94 - 28<br style="" class="" clear="none">>> fax.: +352 26 74 94 99<br style="" class="" clear="none">>> <a style="" class="" shape="rect" href="http://www.metrico.lu/" target="_blank">http://www.metrico.lu</a><br style="" class="" clear="none">>> _______________________________________________<br style="" class="" clear="none">>> Qgis-user mailing list<br style="" class="" clear="none">>> <a style="" class=""
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