Questions tagged [tolerance]

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Why QGIS/PostGIS makes Sliver / small polygon when using erase (difference) tool unlike ArcGIS (QGIS vs ArcMap)?

When erasing b polygon from a, sliver(or small) polygons occured along the a polygon boundary in QGIS(3.4.5). But ArcMap(10.3) does not make any slivers at all. I don't know which difference between ...
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57 views

SDO_GEOM.RELATE with EQUAL mask returns false for same WKT

I am trying to compare two geometries from two different tables and find all the different with the specified tolerance. I'm using WHERE sdo_geom.relate(gs.shape, 'mask=EQUAL',p.shape,0.002) = 'FALSE'...
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81 views

Snapping line layer to line layer

I'm working on a project where I need to snap an existing line layer to a different line layer. These lines represent streams and rivers. I'm working within QGIS Maderia 3.4 LTR. I've tried using the ...
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37 views

Remove tolerance in PostGIS requests

I just read the problems similar to mine on this forum, but no solution helped me. To put it simply, I use ST_Touches in an algo in PHP that allows me to test if two points touch. Here is the query: ...
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236 views

ogr2ogr: Transformation from NAD27 to WGS84 not working

I'm trying to use ogr2ogr to transform from NAD27 to WGS84 and check the precision afterwards. For that, I used a GML file with coordinates -124.0, 48.0 It looks like this: { "type": "...
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290 views

Not snapping to Guides in ArcGIS Pro?

I have a layout created with (layout)snapping on and set to snap to guides only. I have a series of rectangles for my title block. Depending on the information within the rectangles, I may need to ...