<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 18, 2019 at 8:25 AM Jelto Buurman <<a href="mailto:jelto.buurman@googlemail.com">jelto.buurman@googlemail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
I want to use pdal to convert lidar data to tif. If I am using the following<br>
pipline:<br>
{<br>
        "pipeline":[<br>
        {<br>
                "type" : "readers.las",<br>
                        "filename" : "linputfile.laz"<br>
        },<br>
        {<br>
                "type":"filters.range",<br>
                        "limits":",Classification[2:2]"<br>
        },<br>
        { <br>
                "type": "writers.gdal",<br>
                        "resolution": 1,<br>
                        "radius": 1.5,<br>
                        "filename":"outputfile.tif"<br>
        }<br>
                ]<br>
}<br>
 I get a tif file, but the interpolation method is idw. So ever edge in the<br>
surface will be fased and the peeks will also be cutted of.<br></blockquote><div><br></div><div>We only do the interpolation methods described in the documentation: <a href="https://pdal.io/stages/writers.gdal.html">https://pdal.io/stages/writers.gdal.html</a></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
If I am using the following pipeline:<br>
<br>
{<br>
        "pipeline":[<br>
        {<br>
                "type" : "readers.las",<br>
                        "filename" : "inputfile.laz"<br>
        },<br>
        {<br>
                "type":"filters.range",<br>
                        "limits":",Classification[2:2]"<br>
        },<br>
        {<br>
                "type":"filters.delaunay"<br>
        },<br>
                { <br>
               "type": "writers.ply",<br>
                "filename": "output.ply",<br>
                "faces": true<br>
        }<br>
                ]<br>
}<br></blockquote><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
 I  get a  very big textfile, witch I even cannot load into QGIS. Does<br>
anyone have an advise?</blockquote><div> </div>You can write binary PLY.  Try:</div><div class="gmail_quote"><br></div><div class="gmail_quote">   { <br>
               "type": "writers.ply",<br>
                "filename": "output.ply",<br>
                "faces": true,<br>                 "storage_mode": "little_endian"</div><div class="gmail_quote">
        } </div><div class="gmail_quote"><br></div><div class="gmail_quote">You can also set the precision when writing text output.  See: <a href="https://pdal.io/stages/writers.ply.html">https://pdal.io/stages/writers.ply.html</a></div><div class="gmail_quote"><br></div>-- <br><div dir="ltr" class="gmail_signature">Andrew Bell<br><a href="mailto:andrew.bell.ia@gmail.com" target="_blank">andrew.bell.ia@gmail.com</a></div></div>