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operating system. A height field is a kind of topographic map. It is a 2D projection of a 3D landscape. Geomorph generates square images and shows a 3D preview of the resulting landscape. The resulting 2D image can be processed with a tool like Povray for rendering the landscape. WWW: http://geomorph.sourceforge.net/ PR: ports/94521 Submitted by: Dmitry Marakasov <amdmi3@mail.ru>
11 lines
367 B
C
11 lines
367 B
C
--- src/hf/hf_calc.c.orig Tue Nov 22 07:25:40 2005
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+++ src/hf/hf_calc.c Mon Mar 6 13:08:02 2006
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@@ -1298,6 +1298,8 @@
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overflow);
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}
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+#define lround(x) (((x) - (gdouble)(long int)(x)) < 0.5 ? (x) : (x+1.0))
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+
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void hf_fast_rotate (hf_type *hf_in, hf_type *hf_out, gint hf_size, gint angle) {
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// Rotation of a square HF, preview style, with aliasing
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// "Wraps"
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