Add a test

felt · Nov 19, 2024 · 08f9d0d · 08f9d0d
1 parent 1afe03e
commit 08f9d0d
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diff --git a/Makefile b/Makefile
@@ -362,6 +362,11 @@ overzoom-test: tippecanoe-overzoom
 	./tippecanoe-decode tests/pbf/countries-0-0-0.pbf.out 0 0 0 > tests/pbf/countries-0-0-0.pbf.out.json.check
 	cmp tests/pbf/countries-0-0-0.pbf.out.json.check tests/pbf/countries-0-0-0.pbf.out.json
 	rm tests/pbf/countries-0-0-0.pbf.out tests/pbf/countries-0-0-0.pbf.out.json.check
+	# Clipping to bounding box
+	./tippecanoe-overzoom --clip-bounding-box 5,5,25.7,50 -o tests/pbf/countries-0-0-0-clip.pbf.out tests/pbf/countries-0-0-0.pbf 0/0/0 0/0/0
+	./tippecanoe-decode tests/pbf/countries-0-0-0-clip.pbf.out 0 0 0 > tests/pbf/countries-0-0-0-clip.pbf.out.json.check
+	cmp tests/pbf/countries-0-0-0-clip.pbf.out.json.check tests/pbf/countries-0-0-0-clip.pbf.out.json
+	rm tests/pbf/countries-0-0-0-clip.pbf.out tests/pbf/countries-0-0-0-clip.pbf.out.json.check
 	# Binning
 	./tippecanoe-overzoom -o tests/pbf/bin-11-327-791.pbf.out --assign-to-bins tests/pbf/sf-zips.json tests/pbf/muni-11-327-791.pbf 11/327/791 11/327/791
 	./tippecanoe-decode tests/pbf/bin-11-327-791.pbf.out 11 327 791 > tests/pbf/bin-11-327-791.pbf.out.json.check

diff --git a/main.cpp b/main.cpp
@@ -2380,6 +2380,9 @@ std::pair<int, metadata> read_input(std::vector<source> &sources, char *fname, i
 			double want = nearby_ft / 2;
 
 			maxzoom = ceil(log(360 / (.00000274 * want)) / log(2) - full_detail);
+			if (maxzoom < 0) {
+				maxzoom = 0;
+			}
 			if (!quiet) {
 				fprintf(stderr,
 					"Choosing a maxzoom of -z%d for features typically %d feet (%d meters) apart, ",