Dear all,
I have a question about the result of the OD cost Matrix. I am using the matrix to identify the Origins that are lacking a destination within a certain distance.
I am attaching pictures of my dataset to help understand my question. In all pictures you can see the origins as brown points, the destiantions as green squares, the lines in green and the network in grey.
Picture 1:
- This is the result of the OD matrix with a CutOff at 200m, showing the origins with their connection to destiantions within 200m and also some origins that don't have a destiantion within 200 and remain without a connection line.
Picture 2:
- This is the result of the OD matrix with a CutOff at 300m, also showing Origins and their connections. In comaparison to the picture 1, more origins are connected, due to the greater cutoff distance.
Picture 3:
- This is the result of the OD matrix with a CutOff at 200m again
- in Orange I have highlighted the Origins that I get a partial solution and the following warning when solving: "No "Destinations" found for "Location 59" in "Origins"."
Picture 4:
- This is the result of the OD matrix with a CutOff at 500m. The picture is messy, I am sorry for that. i will only use it to check whether the Origins in Question are reachable within the network. Zooming to the origins highlighted in orange and exploring the network does show that the origins are connecting to destinations within 500m and there should not be a connectivity issue.
My question now is, what is the difference between the origins that are no longer used for the analysis once their closest destination is located outside the cutoff and the origins that come up as warnings such as "No "Destinations" found for "Location 59" in "Origins"." (See Picture 3) How do I interpret the warning?
Thank you very much in advance!
Best regards,
Jana