Top new questions this week:

Why are all tiles white when using the OpenLayers plugin?

I installed the OpenLayers-Plugin and set the CRS to EPSG:3857. When I go to Web / OpenLayers plugin I get the menu with the various maps, but whatever map I choose, all the tiles are white. The ...

qgis qgis-openlayers-plugin qgis-2.8

asked by Hannes K 5 votes answered by AndreJ 2 votes

Shortest Path Analysis with Turns

Problem: Using FME and a road networks dataset, I am trying to find the shortest path from A to B, while taking into consideration of turning width (say for a truck). I have created a point feature ...

fme network shortest-path

asked by ND-0311 5 votes answered by Frédéric Eichelbrenner 2 votes

Publishing map from ArcGIS Pro to ArcGIS for Server as Map Service?

As a comment on an Esri blog post entitled Announcing the ArcGIS Pro beta program last May someone named mahenderraj asked: I presume that it is not possible to share the map as a mapservice to ...

arcgis-server map-service arcgis-pro

asked by PolyGeo 4 votes answered by Alex Tereshenkov 2 votes

Calculating average raster to point distances within census tracts

I have some experience using ArcGIS, but mostly with the field calculator in the attribute table/spatial joins, so I apologize if I say something that doesn't make sense. To provide a bit of ...

arcgis-desktop arcgis-10.0 raster vector distance

asked by user3642531 4 votes answered by whuber 3 votes

Command syntax in ArcGIS python script

I'm in the process of learning to use python to automate some tasks in ArcGIS, and while I've done a couple of on line courses about python I'm still learning to use it within ArcGIS. I've had some ...

arcpy modelbuilder syntax

asked by David R 4 votes answered by JasonT 2 votes

LiDAR GUI tool for selecting and saving groups of points?

I'm working in a small group that is processing LiDAR data with some custom code. We need to see how well our stuff is working so we need samples of "truth" data that we can compare our output ...

clip lidar gui las

asked by dem246 3 votes answered by nicolas-f 0 votes

Divide grid in smaller cells

My dataset: a shapefile containing squares of 1km size. It's huge, this is just a sample: My aim: divide each cell so that the end result would be the same grid with 500m each cell. Something like ...

arcgis-desktop shapefile arcgis-10.3 grids-graticules

asked by Manuel Frias 3 votes answered by Albert C 3 votes

Greatest hits from previous weeks:

What are some Free and Open Source GIS Desktop packages

Can someone please give me a list of free and open source GIS desktop packages?

open-source-gis osgeo foss4g desktop-gis

asked by TheSteve0 49 votes answered by George 41 votes

Adding Attribute data to shapefile?

I can display a shapefile in openlayers but I need to add some attribute data. I can open the dbf file in excel but there is no save as option in excel to the updated file as a dbf. What is the ...

shapefile attribute-table

asked by ChrisJ 20 votes answered by doktoreas 16 votes

Can you answer these?

Make Route Event Layer snaps event points to vertexes?

In ArcMap 10.2.1 I have made a route event layer using the geoprocessing tool in the normal way, trying to add equidistant route events along a route every 1.6 meters. This works fine in all the ...

arcgis-desktop arcgis-10.2 linear-referencing route

asked by revelationz 1 vote

Segmentation fault in SAGA GIS

When I try to launch SAGA GIS I get this error: "segmentation fault (core dumped)" How can I solve this problem? I am using Lubuntu 14.04 64-bit.

ubuntu saga

asked by user18228 3 votes

How to create raster from table containing cell values in PostGIS?

I am having a table with integer values. These values are in between 0 and 2. I want to create a raster out of that table with integers as cell values. Or else how to create polygons out of that table ...

postgis raster postgresql

asked by Bikram Gangwar 2 votes