SVG::Graph::Glyph::heatmap(3pm) on Linux

The text da147323832e, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.

SVG::Graph::Glyph::heatmap object

SVG::Graph::Glyph::heatmap(3pm) on Linux now