Hi all, Sorry for my previous message, which (I just realize) can appear rude if you have not received the first one. In fact I sent a "normal" first message with my Gmail account, and attached some files. Wich obviously was not allowed by the mailing list. So I decided to create a issue in the QGIS hub instead. I should have done that first. Let continue the talk in the hub.
Sorry for this. Michaël Le mer. 14 nov. 2018 à 12:03, kimaidou <[email protected]> a écrit : > I created this issue > https://issues.qgis.org/issues/20489 > > Le mer. 14 nov. 2018 à 11:56, kimaidou <[email protected]> a écrit : > >> Hi ! >> >> I am facing what seems to be an issue, or probably something well known >> by anyone but me... >> >> I have created 2 very simple QGIS projects (attached with data) >> >> * 1 vector polygon grid 1km X 1km (GeoJSON), created with the Vector >> processing tool. >> * 1 OpenStreetMap TMS background layer (EPSG:3857) >> * 1 A4 composer with a map taking full size, and a scale bar >> * 1 project in EPSG:3857 & its brother in EPSG:2154 (French proj) >> >> Issues noted: >> >> * In the composer, the scale bar does not fit with the 1km grid, in both >> projects. >> * After defining the same scale (1:10 000) in the composers, the view are >> really different in the 2 projects (see attached PDF) >> >> I know projections are biased representations of the reality, but as a >> user perspective, this 2 behaviours really seem like issues. Every time a >> user prints a map and take the A4 paper, he is condident he will be able to >> use his ruler to measure things and convert to real distances according to >> the scale. Or report N times the scale bar segments to get distances. >> >> I am like someone who just discovers the Earth is not flat... >> >> NB: I have tested this behaviour only in 2.18. >> >
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