New Trajectory Planner - Testers/programs wanted

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12 years 9 months ago #42581 by Todd Zuercher
Replied by Todd Zuercher on topic New Trajectory Planner - Testers/programs wanted
I think I see where the problem is.
The blending turns off (or is suposed to right now) for movements that contain axis other than XYZ. In this snipit of code:
Code:
G1 Z0. W0. G1 X2.0155 Y2.3983 Z-0.015 W-0.015 G1 X2.0368 Y2.3972 Z0. W0. G1 X2.0155 Y2.3983 Z-0.015 W-0.015 G1 X1.8094 Y2.2127 G1 X1.8083 Y2.1915 Z0. W0. G1 X1.8094 Y2.2127 Z-0.015 W-0.015 G1 X1.7881 Y2.2138 Z0. W0. G1 X1.8094 Y2.2127 Z-0.015 W-0.015 G1 X2.0155 Y2.3983 G1 X2.0166 Y2.4195 Z0. W0.

the error occurs at the transition of a line with a W comand to a line line that does not have a W command. My guess is that the new planner is blending this transition move for XYZ but letting W do ??, causing the small gouge at that point.

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12 years 9 months ago #42586 by rellenberg
Replied by rellenberg on topic New Trajectory Planner - Testers/programs wanted
I think I've fixed this in the latest commit. It looks like I forgot to check both segments for ABC/UVW motion, so it was incorrectly creating blend arcs in the case when the previous segment had W movement. Now it detects ABC/UVW motion in either segment and skips circular arcs in this case.
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12 years 9 months ago #42588 by skunkworks
Replied by skunkworks on topic New Trajectory Planner - Testers/programs wanted
I am still seeing it here with the latest pull. The first corner doesn't seem to have any blending. This in on a sim install - not realtime. Make sure you start fresh - I had goofed around with loading programs and it seems to start blending the first move. (don't remember the steps) but on the inital loading of linuxcnc and run of the program shows this.

g64
g0x0y0w1
g1w-.1f3000
x1
w1
m30

sam
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12 years 9 months ago #42589 by skunkworks
Replied by skunkworks on topic New Trajectory Planner - Testers/programs wanted
Todd - in case you haven't done it before

cd into your linuxcnc rip directory

git pull
cd src
make clean
make
sudo make setuid
cd ..
. ./scripts/rip-environment
linuxcnc

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12 years 9 months ago #42590 by Todd Zuercher
Replied by Todd Zuercher on topic New Trajectory Planner - Testers/programs wanted
I do not have a lot of experience venturing off the paved road. What is the best way to apply the update?

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12 years 9 months ago #42591 by skunkworks
Replied by skunkworks on topic New Trajectory Planner - Testers/programs wanted
See my above post :)

Todd Zuercher wrote: I do not have a lot of experience venturing off the paved road. What is the best way to apply the update?

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