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Thank you very much Juan and Thales...I was able to do what I wanted to do... First I dissolve the entire shapefile, it combined all the lines and returned one polyline. Then I used Feature to Line tool, it splited lines at points where two or more lines intersect 🙂
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03-22-2013
01:45 PM
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Hola Shafayat, I wanted to let you know, that I have put together a work flow with some screen shots and documentation. This document will cover how to Merge multiple segmented lines which are not connected, into one line. I am then including some suggestions, on your second part, where to remove the extra vertices, and then only have the beginning and ending vertices. Gracias, Shafayat! Thanks for your reply Juan. I am wondering if there is other way of doing this. Manualy selecting lines would take me hundreds of hours as I have thousands of line segments and nodes.
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03-22-2013
07:09 AM
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Hello guys, I have a polyline shapefile with hundreds of line segments. It�??s actually a city street network. But as the shape file was created from CAD file, not all the lines are continues where they should be. For example, if you look at the attached Exhibit-1, between node 1 and node 2, there are 4 different line segments (I colored the lines so that it�??s easy to understand). But I want to make those lines a single continuous line. That is, there should be only one connecting line segment between any two nodes/ intersections. Is there any way to do that? Your help would be highly appreciated. Thanks Shafayat
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03-21-2013
02:54 PM
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Hello guys, I have a polyline shapefile with hundreds of line segments. It�??s actually a city street network. But as the shape file was created from CAD file, not all the lines are continues where they should be. For example, if you look at the attached Exhibit-1, between node 1 and node 2, there are 4 different line segments (I colored the lines so that it�??s easy to understand). But I want to make those lines a single continuous line. That is, there should be only one connecting line segment between any two nodes/ intersections. Is there any way to do that? Your help would be highly appreciated. Thanks Shafayat
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03-21-2013
02:52 PM
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Question. Do you have the actual Centerlines for the roads that include Road Names of the streets? If so, I have done a process as follows: 1. Features to Polygon tool. Screen Shot 1 shows the lines converted to polygons (Features to Polygons tool) and attributed and filtered to show just road interiors. Singe Centerlines within the road polygons are also shown. 2. Buffer tool. Screen Shot 2 shows the Centerlines buffered by 75 feet. Use Road Name as the Dissolve value. Use Rounded End caps. You may have to test different buffer widths and if you have road classifications you might be able to quickly assign varying widths depending on the Road class to a field and use that for the buffer width value for better results. 3. Intersect tool. Screen Shot 3 shows the result of using the Intersect tool with the Centerline buffer output form step 2 used as an input twice and the Road casing polygon from step 1 used as an input once. 4. Definition Query. Screen shot 4 shows the definition query that will filter out just intersections from the result of Step 3. Screen shot 5 shows the resulting intersection polygons in Red overlaying the Road polygon shown in green. See next message for further steps, since I could only upload 5 screen shots. Hi Richard, This is what I got after creating polygon (see attached). Not sure how to filtered to show road interiors. I am fairly new in ArcGIS, Thanks for your help.
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01-31-2013
12:51 PM
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Thanks Richard, Yes I do have Road centre lines. Waiting for remaining attachments and procedures. Some of the road sections are missing sidewalk centre lines. I am not sure whether this would be an issue to create polygon.
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01-31-2013
11:54 AM
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I have sidewalks centre line for a City. That is, two lines that creates the shape of a roadway. I want to create line (to represent cross-walks) in every intersections. For example, in the attachment, I have the black lines (shapefile), and I want to create the red lines in every intersections. Is there any way I can do that automatically or efficiently. Manually creating would take hours and hours as I have hundreds of intersections. Thanks. Shafayat
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01-30-2013
06:22 PM
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Hello, I am fairly new in ArcGIS. I am wondering if there is a short-cut way of connecting closely spaced lines. I mean I have hundreds of lines (pathway for example), but some of the lines are not connected (small gaps exist between some lines). How can I connect those? I know I can manually connect by extending one line or drawing a new one in between, but it would require lot of time as I have hundreds. If you know a simple way of doing this (connect line if the distance in between xxx), I will be pleased to know. Thanks Shafayat
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01-22-2013
12:03 PM
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