Fixed screen space crash.

mousebird · mousebird · commit 2bca613f0fd7 · 2021-03-30T14:26:53.000-07:00
diff --git a/common/WhirlyGlobeLib/src/ScreenSpaceBuilder.cpp b/common/WhirlyGlobeLib/src/ScreenSpaceBuilder.cpp
@@ -367,10 +367,10 @@ void ScreenSpaceBuilder::addScreenObject(const ScreenSpaceObject &ssObj,
 {
     for (unsigned int ii=0;ii<geoms->size();ii++)
     {
-        Eigen::Matrix3d placeMat = places->at(ii);
         ScreenSpaceConvexGeometry geom = geoms->at(ii);
         // Apply a matrix to the geometry for a given version of the placement
         if (places) {
+            Eigen::Matrix3d placeMat = places->at(ii);
             for (auto &pt: geom.coords) {
                 Point3d pt2d = placeMat * Point3d(pt.x(),pt.y(),1.0);
                 pt = Point2d(pt2d.x(),pt2d.y());

Original file line number	Diff line number	Diff line change
`@@ -367,10 +367,10 @@ void ScreenSpaceBuilder::addScreenObject(const ScreenSpaceObject &ssObj,`
`367`	`367`	`{`
`368`	`368`	`for (unsigned int ii=0;ii<geoms->size();ii++)`
`369`	`369`	`{`
`370`		`- Eigen::Matrix3d placeMat = places->at(ii);`
`371`	`370`	`ScreenSpaceConvexGeometry geom = geoms->at(ii);`
`372`	`371`	`// Apply a matrix to the geometry for a given version of the placement`
`373`	`372`	`if (places) {`
	`373`	`+ Eigen::Matrix3d placeMat = places->at(ii);`
`374`	`374`	`for (auto &pt: geom.coords) {`
`375`	`375`	`Point3d pt2d = placeMat * Point3d(pt.x(),pt.y(),1.0);`
`376`	`376`	`pt = Point2d(pt2d.x(),pt2d.y());`