Questions tagged [extend]

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9
votes
3answers
6k views

Extending line by specified distance in ArcGIS for Desktop?

I have a purely aesthetic layer which has arrow symbols. Some aren't showing up right because the line is too small. I have selected maybe 50 records where I need to extend this line by a given number ...
5
votes
1answer
2k views

How to extend a straight line in postgis?

I have a postgis table of simple linestrings, each one is a straight line with just two points. I want to select every linestring, but extended from both sides by 1 meter. So i have lines, that are ...
4
votes
2answers
3k views

Extending Polyline in ArcGIS without intersecting line?

I am trying to extend the ends of each line I have in a seismic survey 2 miles. I have tried using the extend line (Editor) tool but it needs an intersecting line to move to. Does anyone know how to ...
4
votes
1answer
143 views

How to define voronoi polygon buffer extend in QGIS from layer extend

I'm using QGIS (2.8.1) Voronoi Polygons Algorithm and I would like to extrapolate them to a polygon layer extend. In order to do this, the tool opens a window asking me to enter a number or expression ...
3
votes
2answers
541 views

ArcMap: Extend lines to Points without altering original geometry

Is there an efficient way to extend lines to points in ArcMap? I have a utilities dataset, where I do not want to change the original geometry, but instead add to it in order for end vertices of ...
2
votes
3answers
183 views

Is there a tool that allows the same functionality of extend/trim feature that was available in 9.3?

In ArcGIS 9.3 there was a tool called Extend/Trim Features that allowed you to select multiple segments and extend or trim them to a feature. In 10.1 that seems to have been moved to the Production ...
1
vote
1answer
557 views

Set Grass Region in Python grass.script

How can I set the Grass Region in Python without already having a map in the Mapset? Basically I am looking for the equivalent to this window Currently I am only able to extent an existing region, ...
1
vote
1answer
52 views

Extend line (utility-water) to polygon (building)

I have several thousand water lines that need to simply be extended to the edge of the nearest building. Some of my lines do touch or intersect the buildings and some don't. They are ranging from a ...
1
vote
2answers
57 views

How to extend Raster layer without pixel value data losing [duplicate]

I got 2 different raster layers one of them black and white representing the river road. This river raster has pixel values stand for height. I want to extend the size of river in order to show, if ...
1
vote
0answers
129 views

Extending Polygon to Another Polygon with Automation? [closed]

I need to extend the polygons in blue to match the red polygons using automation, since there are thousands of these. It seems like a simple thing to do, but I have not found a suitable way to ...
1
vote
1answer
282 views

Extend polygon to polyline feature (keeping attributes)

I am looking to extend the polygon feature to the to the coastline polyline (blue line) while keeping the attributes of the polygon features (Figure below). What I am looking to do is find the ...
0
votes
1answer
261 views

Extend polygons to match another polygon in ArcGIS

I am struggling with this task :( I have various layers, all having a common outer shape (see the blue polygon in the picture). On of those polygons however, has a different shape. I somehow need ...
0
votes
1answer
528 views

Extending line segment to polygon edge using ArcGIS for Desktop?

I am trying to extend line segments to the related parcel. There is not an address field in the line segment but there is a year field. The year field is what needs to be added to the parcel to ...
0
votes
1answer
62 views

ArcPy: Kernel Density Extend (Default + 5000 Meters)

I in my Kernel Density Loop i want the Processing Extend to be Default + 5000m Does anyone know how this might be done? This is the Code: import arcpy,os from arcpy import env from arcpy.sa import *...
0
votes
0answers
74 views

Extending lines grouped by same value using ArcPy of ArcGIS Pro?

I'm trying to extend lines grouped by same value inside column. So what i want to do is extend lines for each line with same WireID only. So for example lines with WireID 2 should all be extened to ...
0
votes
1answer
447 views

Extend tool appears to do nothing?

Anyone know if there's some secret magic parameters that need to be set for the Extend and Trim (Editing Toolbox) tools in ArcMap to run properly? I have a dataset of about 2000 "interior" lines ...