pgr_drivingDistance uses the cost value you provide, and in the units you implicitly specify, meaning that when you add a column <traveling_time> (note that I use seconds in my example) as the time needed to traverse an edge (given the length and speed limit) and select that as cost, the functions result will represent the … Read more
TL/DR: Yes. If not, it’s likely your own fault. But there are a few easy fixes for when an OL application becomes slow/unresponsive. Use the image render mode(previously known as ImageVector) for large vector layers. ol.layer.Vector({ renderMode: ‘image’, … }) Great performance, but point symbols and texts are always rotated with the view and pixels … Read more
For the map you can use d3-geo and the d3.geoAlbersUsa projection. To draw the line into the stations you can use a SVG path. You can generate the path with d3.geoPath. solved How to draw a flow graph like this
We can access $NAME outside the infotemplate in the following way… var t = “${NAME} Incidents:”;+inc // String substitution method var content = esriLang.substitute(evt.graphic.attributes,t); solved How do I access $NAME variable in a if else statement?