<div dir="ltr"><div class="gmail_default" style="font-size:small">Hi,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="">I recently noticed that the expression I used in <a href="https://anitagraser.com/2016/10/09/movement-data-in-gis-2-visualization/">https://anitagraser.com/2016/10/09/movement-data-in-gis-2-visualization/</a> does not work in current QGIS versions anymore. Specifically, I computed the metric length of a line segment by transforming from WGS84 'EPSG:4326' to 'EPSG:54027':</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style=""><div class="gmail-line gmail-number4 gmail-index3 gmail-alt1" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">length( </code></div><div class="gmail-line gmail-number5 gmail-index4 gmail-alt2" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-spaces" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">      </code><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">transform(</code></div><div class="gmail-line gmail-number6 gmail-index5 gmail-alt1" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-spaces" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">        </code><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">geometry_n($geometry,@geometry_part_num),</code></div><div class="gmail-line gmail-number7 gmail-index6 gmail-alt2" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-spaces" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">        </code><code class="gmail-python gmail-string" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline;color:blue">'EPSG:4326'</code><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">,</code><code class="gmail-python gmail-string" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline;color:blue">'EPSG:54027'</code></div><div class="gmail-line gmail-number8 gmail-index7 gmail-alt1" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-spaces" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">        </code><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">)</code></div><div class="gmail-line gmail-number9 gmail-index8 gmail-alt2" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><code class="gmail-python gmail-spaces" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">    </code><code class="gmail-python gmail-plain" style="background:none;border:0px;margin:0px;font-size:1em;outline:0px;padding:0px;vertical-align:baseline;border-radius:0px;float:none;height:auto;line-height:1.1em;overflow:visible;width:auto;box-sizing:content-box;font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;direction:ltr;display:inline">)</code></div><div class="gmail-line gmail-number9 gmail-index8 gmail-alt2" style="font-size:12px;color:rgb(0,0,0);font-family:Monaco,Consolas,"Bitstream Vera Sans Mono","Courier New",Courier,monospace;background-image:none;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;border:0px;margin:0px;outline:0px;padding:0px 1em;vertical-align:baseline;line-height:1.1em;border-radius:0px;float:none;height:auto;overflow:visible;width:auto;box-sizing:content-box;direction:ltr;white-space:pre"><br></div>While debugging, I found that the transformation is not applied anymore. (Some other EPSG codes do work though.) However, I couldn't figure out how to get this transformation to work again.</div><div class="gmail_default" style=""><br></div><div class="gmail_default" style="">Thanks!</div><div class="gmail_default" style=""><br></div><div class="gmail_default" style="">Anita</div></div>