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Deprecated issue in electric regarding one of scan member functions

asked 2011-12-24 08:22:42 -0500

alfa_80 gravatar image

updated 2011-12-25 01:25:41 -0500

joq gravatar image

I have a line of code that has deprecated issue in electric and I would like to know what is its better substitute.

Issue:

=> scan.set_ranges_size((int)(90/0.25));

[Warning:‘void sensor_msgs::LaserScan_<containerallocator>::set_ranges_size(uint32_t) [with ContainerAllocator = std::allocator<void>]’ is deprecated (declared at /opt/ros/electric/stacks/common_msgs/sensor_msgs/msg_gen/cpp/include/ sensor_msgs/LaserScan.h:85)]

P/S: Waiting for @joq's answer for he has done it already. This post is a refactor one.

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Comments

It would probably work better for others with similar problems to divide this into two separate questions: one for set_ranges_size and another for the btQuaternion constructor.
joq gravatar image joq  ( 2011-12-24 09:38:47 -0500 )edit
I've just divided them, could you please cut and paste your previous answer accordingly. Thanks in advance.
alfa_80 gravatar image alfa_80  ( 2011-12-24 19:46:35 -0500 )edit
@joq: Thanks a lot for the suggesting of dividing them. Yes, it's indeed better for the community.
alfa_80 gravatar image alfa_80  ( 2011-12-24 21:03:21 -0500 )edit

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answered 2011-12-24 09:25:25 -0500

joq gravatar image

updated 2011-12-25 01:23:55 -0500

Use the std::vector resize method directly:

scan.ranges.resize((int)(90/0.25));

Be careful of that (int) cast. I believe the floating point result will be exact in this example, so truncation should not be an issue. Generally, it is better to round explicitly.

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Asked: 2011-12-24 08:22:42 -0500

Seen: 196 times

Last updated: Dec 25 '11