how install mapnik-viewer ubuntu

ubuntu

mapnik-viewer

Gui for rendering and viewing maps based on mapnik mapfiles
http://trac.mapnik.org/wiki/MapnikViewer
Install sudo apt install mapnik-viewer
Description:

The mapnik viewer is a gui tool for rendering and viewing maps based on mapnik xml mapfiles.

it can:
– view tile images on-the-fly
– debug information on bad config files, points to the erroneous line
– shows scale and envelope for current view
– fast zooming and point-based attribute queries
– export to a variety of formats including tif