{"id":"admin.tool_layer_buffer","schema":"admin","name":"tool_layer_buffer","description":"Buffer a vector layer by a given distance","arguments":[{"name":"params","type":"character varying","default":"{\n                \"input_layer_name\":\n                { \"id\":\"input_layer_name\",\n                  \"param_name\":\"input_layer_name\",\n                  \"type\":\"text\",\n                  \"icon\":\"fa-diamond\",\n                  \"label\":\"Layer to be buffered in schema.table format\",\n                  \"widget_type\":\"search box\",\n                  \"value\":\"admin.input_layer\",\n                  \"hidden\":0},\n                \"buffer_distance\":\n                { \"id\":\"buffer_distance\",\n                  \"param_name\":\"buffer_distance\",\n                  \"type\":\"numeric\",\n                  \"icon\":\"fa-tape\",\n                  \"limits\":{\"min\":0,\"max\":100000},\n                  \"abs_limits\":{\"min\":0,\"max\":100000},\n                  \"value\":0,\n                  \"label\":\"Buffer radius/distance in meters\",\n                  \"widget_type\":\"slider\",\n                  \"hidden\":0,\n                  \"units\":\"meters\"},\n                \"filter_attribute\":\n                { \"id\":\"filter_attribute\",\n                  \"param_name\":\"filter_attribute\",\n                  \"type\":\"text\",\n                  \"icon\":\"fa-filter\",\n                  \"label\":\"Layer attribute against which to filter\",\n                  \"widget_type\":\"search box\",\n                  \"value\":\"type\",\n                  \"hidden\":0},\n                \"filter_value\":\n                { \"id\":\"filter_value\",\n                  \"param_name\":\"filter_value\",\n                  \"type\":\"text\",\n                  \"icon\":\"fa-text-height\",\n                  \"label\":\"Only apply to features with this attribute\",\n                  \"widget_type\":\"search box\",\n                  \"value\":\"National roads\",\n                  \"hidden\":0}\n            }"}],"minzoom":0,"maxzoom":22,"tileurl":"https://pgtileserv.undpgeohub.org/admin.tool_layer_buffer/{z}/{x}/{y}.pbf"}