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Dear Wafaa, The reason lies on the issue of what is the best representation of the underlying configuration. For a city as a whole, it is best represented by individual natural streets rather than fragmented axial lines. Axial lines are of use if you concentrated on part of a city, or when there were no way of generating natural streets. Herewith a piece of message I shared with AXWOMAN users, and it may help address your concern: Axwoman can auto-generate axial lines, but natural streets are much better than axial lines at a city scale for illustrating the underlying scaling or for predicting traffic flow: https://www.researchgate.net/publication/1918773_Self-organized_Natural_Roads_for_Predicting_Traffic_Flow_A_Sensitivity_Study https://www.researchgate.net/publication/1764726_Street-Based_Topological_Representations_and_Analyses_for_Predicting_Traffic_Flow_in_GIS http://giscience.hig.se/binjiang/axwoman/TutorialNaturalStreets5PDF.pdf I just delivered a talk to CSUM 2018, and it is closely related to the issue you raised: https://youtu.be/pVUquwnwcvc If you are tired of oral presentation, herewith the related text: https://www.researchgate.net/publication/324819522_Editorial_Spatial_Heterogeneity_Scale_Data_Character_and_Sustainable_Transport_in_the_Big_Data_Era Thanks and cheers. Bin On 5/25/2018 12:10 PM, [log in to unmask]<mailto:[log in to unmask]> wrote: Thank you very much On Fri, May 25, 2018 at 1:06 PM, [log in to unmask]<mailto:[log in to unmask]> <[log in to unmask]<mailto:[log in to unmask]>> wrote: Hello, I’m Architect Wafaa I have a question, I analysed this settlement below by using Depthmap software program and when I reduce all fewest line map (minimal) in comparison with fewest line map (subsets) I found there is a different analysis in the integrated axial lines( completely differen as shown below) Regards [image3.jpeg] [image2.jpeg] -- -- Sincerely: Architect: Wafaa Anwar sulaiman Goriel BS.c& MS.c in Vernacular Architecture & Architectural Design Faculty of engineering & Applied science, Architecture department, University of Duhok. Website: www.uod.ac<http://www.uod.ac/>/ Kurdistan Region, Duhok/ Iraq Email: wafaa.<mailto:[log in to unmask]>[log in to unmask]<mailto:[log in to unmask]> * Cv/ LinkedIn<https://www.linkedin.com/profile/view?id=AAIAAAhJR3oBhRruzvojXQgaKzXMTmnZDQLcP-c&trk=nav_responsive_tab_profile_pic> * UOD profile <http://web.uod.ac/ac/c/coe/departments/arch/members/wafaa-anwar-sulaiman/> * Skype/ wafaa_anwer * Published paper in sss10<http://www.sss10.bartlett.ucl.ac.uk/wp-content/uploads/2015/07/SSS10_Proceedings_039.pdf> - * Prezi presentation<https://prezi.com/htkdkg13xeyy/final-master-presentation-3o-july/> * published paper in zanco journals<http://zancojournals.su.edu.krd/index.php/JPAS/article/view/848> Address: University of Duhok Website: www.uod.ac<http://www.uod.ac/> Phone no.: (062) 722 7060 Zakho St. 38 1006 AJ Kurdistan Region - Iraq -- -- Sincerely: Architect: Wafaa Anwar sulaiman Goriel BS.c& MS.c in Vernacular Architecture & Architectural Design Faculty of engineering & Applied science, Architecture department, University of Duhok. Website: www.uod.ac<http://www.uod.ac/>/ Kurdistan Region, Duhok/ Iraq Email: wafaa.<mailto:[log in to unmask]>[log in to unmask]<mailto:[log in to unmask]> * Cv/ LinkedIn<https://www.linkedin.com/profile/view?id=AAIAAAhJR3oBhRruzvojXQgaKzXMTmnZDQLcP-c&trk=nav_responsive_tab_profile_pic> * UOD profile <http://web.uod.ac/ac/c/coe/departments/arch/members/wafaa-anwar-sulaiman/> * Skype/ wafaa_anwer * Published paper in sss10<http://www.sss10.bartlett.ucl.ac.uk/wp-content/uploads/2015/07/SSS10_Proceedings_039.pdf> - * Prezi presentation<https://prezi.com/htkdkg13xeyy/final-master-presentation-3o-july/> * published paper in zanco journals<http://zancojournals.su.edu.krd/index.php/JPAS/article/view/848> Address: University of Duhok Website: www.uod.ac<http://www.uod.ac/> Phone no.: (062) 722 7060 Zakho St. 38 1006 AJ Kurdistan Region - Iraq -- -------------------------------------------------------- Bin Jiang Division of GIScience Faculty of Engineering and Sustainable Development University of Gävle, SE-801 76 Gävle, Sweden Phone: +46-26-64 8901 Fax: +46-26-64 8758 Email: [log in to unmask]<mailto:[log in to unmask]> Web: http://giscience.hig.se/binjiang/ -------------------------------------------------------- Associate Editor: Cartographica BinsArXiv: http://arxiv.org/a/jiang_b_1 Axwoman: http://giscience.hig.se/binjiang/axwoman/ Geomatics: http://giscience.hig.se/binjiang/geomaticsprogram/ RG: https://www.researchgate.net/profile/Bin_Jiang3 [Högskolan i Gävle] Högskolan i Gävle, 801 76 Gävle • 026 64 85 00 • www.hig.se<http://www.hig.se> För en hållbar livsmiljö för människan University of Gävle, SE-801 76 Gävle, Sweden • +46 (0) 26 64 85 00 • www.hig.se<http://www.hig.se>