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Catch some reprojection exceptions during raster rendering

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Fixes #32301
This commit is contained in:
Nyall Dawson 2019-10-25 17:01:07 +10:00
parent 5672f0d24c
commit 1dfc0c1e4e
1 changed files with 20 additions and 6 deletions
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26
src/core/raster/qgsrasterprojector.cpp
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@ -473,7 +473,14 @@ bool ProjectorData::preciseSrcRowCol( int destRow, int destCol, int *srcRow, int
if ( mInverseCt.isValid() )
{
mInverseCt.transformInPlace( x, y, z );
try
{
mInverseCt.transformInPlace( x, y, z );
}
catch ( QgsCsException & )
{
return false;
}
}
#ifdef QGISDEBUG
@ -911,14 +918,21 @@ bool QgsRasterProjector::extentSize( const QgsCoordinateTransform &ct,
{
double y = srcExtent.yMinimum() + j * srcYStep;
QgsRectangle srcRectangle( x - srcXRes / 2, y - srcYRes / 2, x + srcXRes / 2, y + srcYRes / 2 );
QgsRectangle destRectangle = ct.transformBoundingBox( srcRectangle );
if ( destRectangle.width() > 0 )
try
{
destXRes = std::min( destXRes, destRectangle.width() );
QgsRectangle destRectangle = ct.transformBoundingBox( srcRectangle );
if ( destRectangle.width() > 0 )
{
destXRes = std::min( destXRes, destRectangle.width() );
}
if ( destRectangle.height() > 0 )
{
destYRes = std::min( destYRes, destRectangle.height() );
}
}
if ( destRectangle.height() > 0 )
catch ( QgsCsException & )
{
destYRes = std::min( destYRes, destRectangle.height() );
}
}
}