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proj_trans_bounds(): fix 9.6.2 regression when going from long/lat crossing antimeridian to projected #4526

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Merged
rouault merged 1 commit into from
Jun 18, 2025
Merged

proj_trans_bounds(): fix 9.6.2 regression when going from long/lat crossing antimeridian to projected #4526

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4 changes: 2 additions & 2 deletions src/trans_bounds.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -569,8 +569,8 @@ int proj_trans_bounds(PJ_CONTEXT *context, PJ *P, PJ_DIRECTION direction,
// Sample points within the source grid
for (int j = 1; j < side_pts - 1; ++j) {
for (int i = 0; i < side_pts; ++i) {
x_boundary_array[i] = std::min(xmin, xmax) + i * delta_x;
y_boundary_array[i] = std::min(ymin, ymax) + j * delta_y;
x_boundary_array[i] = xmin + i * delta_x;
y_boundary_array[i] = ymin + j * delta_y;
}
proj_trans_generic(P, direction, x_boundary_array.data(),
sizeof(double), side_pts,
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8 changes: 4 additions & 4 deletions test/unit/test_c_api.cpp
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Expand Up @@ -6223,8 +6223,8 @@ TEST_F(CApi, proj_trans_bounds_antimeridian_xy) {
&out_right, &out_top, 21);
EXPECT_TRUE(success == 1);
EXPECT_NEAR(out_left, 1722483.900174921, 1);
EXPECT_NEAR(out_bottom, 4795714.1718160734, 1);
EXPECT_NEAR(out_right, 7095599.9757999768, 1);
EXPECT_NEAR(out_bottom, 5228058.6143420935, 1);
EXPECT_NEAR(out_right, 4624385.4948085546, 1);
EXPECT_NEAR(out_top, 8692574.544944234, 1);
double out_left_inv;
double out_bottom_inv;
Expand Down Expand Up @@ -6255,10 +6255,10 @@ TEST_F(CApi, proj_trans_bounds_antimeridian) {
proj_trans_bounds(m_ctxt, P, PJ_FWD, -55.95, 160.6, -25.88, -171.2,
&out_left, &out_bottom, &out_right, &out_top, 21);
EXPECT_TRUE(success == 1);
EXPECT_NEAR(out_left, 4695514.1225397848, 1);
EXPECT_NEAR(out_left, 5228058.6143420935, 1);
EXPECT_NEAR(out_bottom, 1722483.900174921, 1);
EXPECT_NEAR(out_right, 8692574.544944234, 1);
EXPECT_NEAR(out_top, 7053083.9457852989, 1);
EXPECT_NEAR(out_top, 4624385.4948085546, 1);
double out_left_inv;
double out_bottom_inv;
double out_right_inv;
Expand Down