<html><head></head><body><div class="ydpbf3072f9yahoo-style-wrap" style="font-family: bookman old style, new york, times, serif; font-size: 16px;"><div dir="ltr" data-setdir="false">Dear all</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I'd like to do the next set of edition tasks:</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">1) Add XY coordinates at both the start and the end of lines in a shapefile (avoiding to create or extract a second point-shape of specific vertices).</div><div dir="ltr" data-setdir="false">2) Extract the envelope or to poligonize just the border of a cloud of points(shapefile)... Similar to such with which do it from a raster in the GDAL Raster Conversion tool.</div><div dir="ltr" data-setdir="false">3) Create 'string' or 'text' fields with much more than 4000 characters of width inside the shapes, not only 255.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Could you, guys please, help me to find the right paths?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks!</div><div><br></div><div class="ydpbf3072f9signature"><div style="font-family:old times, serif;font-size:16px;"><div style="font-family:'times new roman', 'new york', times, serif;font-size:19px;"><div style="font-size:14pt;"><div style="color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);font-size:14pt;"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5605" style="color:rgb(0, 0, 0);font-size:16px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5604"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5603"><blockquote id="ydp1cee9d45yui_3_16_0_1_1443295920165_5602" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204, 204, 204);border-left-style:solid;padding-left:1ex;"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5601"><span id="ydp1cee9d45yui_3_16_0_1_1443295920165_5614"><font color="#888888" id="ydp1cee9d45yui_3_16_0_1_1443295920165_5613" style="background-color: inherit;"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5612"><div dir="ltr" id="ydp1cee9d45yui_3_16_0_1_1443295920165_5611"><div id="ydp1cee9d45yui_3_16_0_1_1443295920165_5610" dir="ltr"><span><font color="#666666" id="ydp57a6afa2yui_3_16_0_1_1443295920165_5616" style="font-family: HelveticaNeue, Helvetica, Arial, sans-serif; font-size: 16px; background-color: inherit;"><b id="ydp57a6afa2yui_3_16_0_1_1443295920165_7414">Camilo Aristizabal</b></font></span><br></div></div></div></font></span></div></blockquote></div></div></div></div></div></div></div></div></div></body></html>