Questions tagged [element]

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Why do I get invalid elements (polygons), when smoothing a vector layer (smooth geometry)?

The problem occurs, when using the commands "Smooth geometry" or "v.generalize.smooth" in QGIS. The shapefile, which I want to smooth, shows a flood water level and looks like this: The water level ...
2
votes
0answers
343 views

Problem with grouping items in print composer- QGIS 2.14

This is print composer: when i group all elements with "group items" and minimize the frame- some items step out from the frame: How can i group all items, and still maintain the same ratio of ...
1
vote
1answer
38 views

Unable to Update Map Element

I'm trying to update my text elements, but after running script no changes occur and no error are triggered. Running suggested code triggered an error. I need to update my title and date text box. I ...
1
vote
0answers
145 views

ERROR 00735: Layer Name or Table View: Value is required Failed to execute

Im trying to create a script that will created two buffer shapefiles using SelectLayerByAttribute, but same error keeps popping up. This tool runs fine in Modelbuilder, but I want to create a script ...
0
votes
0answers
35 views

Subsetting rasterstack for subtraction between elements using R?

I want ro calculate the differences between rasters within a raster stack with a certain step, and I am unsure how to do so. What I want is to subtract every element from its 5th next one, something ...