I know this should be such a simple task and I looked around but could not find a satisfactory / dead simple answer.
I am creating a point layer and needs to draw a row of points. How would I go about making sure that these points are aligned? Something like hold shift key and it'll align it to the nearest points?
Doing this in ArcGIS Desktop 10.2.2 aka ArcMap. Layer is stored in PostgreSQL 9.2.9 / PostGIS 2.1.3.
Answer
Assuming that based on the question in my comment above, you are able to edit your layer in ArcMap, there is a direct way of creating points that are in a common alignment.
- Start editing the layer
- Create your first point
- In order to create your next point, in the
Create Features
popup, instead of choosing Point in the Construction Tools, choose Point at end of line. This will allow you to create a point at the end of a line sketch that you designate. The line can be at the direction and distance of your choice. This can be easier than the Direction/Distance tool because you do not have to remember the exact angle that your line is located on. - Create the line sketch using your initial point as the beginning. Right click to choose direction and length. [EDIT] It is worth noting that you do not have to enter specific direction and length. You may use a mouse click to pick them. It depends on whether you want to have a specific direction, and/or consistent distance between points.
- Right click to end the sketch, and the point will be created at the end.
- For the next and future points, use the
Point at end of line
, and create the sketch based on the direction of the first two points, adding a vertice at the 2nd point. For the final segment, where you want to place the 3rd point, use the Deflection option - Choose a value of 0.
- This will continue the next segment of the sketch in the same angle as the first segment.
- You can then specify the length, finish the sketch, and the point will be created at the end.
Here is the ESRI Help document discussing creating a point at the end of a line.
Create a point feature at the end of a line you sketch.
If you are creating a large number of points in a row, there are other ways that will be less time-consuming. One way would be to create a line and then use the command to Create new points along a line, at a specified interval.
Creating new points along a line
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