Geographic Information Systems Weekly Newsletter - Tuesday, April 28, 2015

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 How to check spotheight in closed polyline contour data using ModelBuilder or ArcPy? I'm new in using ModelBuilder or Python script. So, i have a set of contour data and a good contour data should contain a spotheight* in every closed polyline contour data. Is there any solution to ... arcgis-desktop arcpy shapefile modelbuilder geoprocessing   asked by Maundri 4 votes Does this ArcGIS flow accumulation example have an error? The lower right corner of the flow accumulation example in ArcGIS Desktop's documentation has a flow accumulation value of 2. However, I only see one cell flowing into the lower right corner (the ... arcgis-desktop algorithm hydrology watershed flow-accumulation   asked by Paul H 4 votes answered by Chris W 5 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 Read (GEO)JSON file from web service using FME Desktop I have a webmap of bike stations and there is a json service for these stations behind the map. It is possible to provide this URL as the source dataset, using FME Desktop? Does FME Desktop support ... geojson fme   asked by Fflavioo 3 votes answered by Mapperz 2 votes Reading and plotting shapefiles with a custom function in R? I have this piece of code that want to turn into a function r<-readShapeSpatial("roads") b<-readShapeSpatial("buildings") lc<-readShapeSpatial("landcover.shp") here is the preparation ... shapefile r import function   asked by gsa 3 votes answered by Jeffrey Evans 2 votes Greatest hits from previous weeks: Can I convert a kmz file to kml? I have a kmz file. Is there an easy way to convert it to KML? Can I just "unzip"? kml convert file-formats   asked by Abe 15 votes answered by HeyOverThere 21 votes What Makes a Map Beautiful? Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ... cartography visualisation gis-principle   asked by Andy W 180 votes answered by radek 59 votes Can you answer these? How to offset polyline geometries (not symbology) using QGIS? I have a polyline layer which has a road network digitized, up the center, in both directions however the polyline are sat "one on top of the other". I can display the lines separately by ... qgis polyline   asked by Nultyg 1 vote Thiessen polygons extend outside of extent of projection I'm working on a geological project on the past position of continents (in ArcMap 10 Service Pack 5, build 4400). The tool I'm creating in Model Builder uses Create Thiessen Polygons and all input ... arcgis-desktop arcgis-10.0 projection clip voronoi-thiessen   asked by Bart 1 vote ST_Buffer with segment AND endcap parameters Making a QGis plugin that buffers a line and I want to declare a high number of segments and a flat endcap. ST_Buffer(geom, 40, 25, 'endcap=flat') This doesn't work with both parameters entered, ... qgis postgis sql buffer   asked by George Oulton 2 votes

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