## Fixing a plotting problem over a fixed axes

Hans123

### Hans123 (view profile)

님이 질문을 제출함. 19 Aug 2019
최근 활동 darova

### darova (view profile)

님이 답변함. 19 Aug 2019
darova

### darova (view profile)

님이 답변을 채택함.
I want the below spirals to be evenly spaced (in both x and y axes). I am hoping distance between the rows and columns of the helical spirals to be the same, while each center will lie on the same line. I am not sure how to use MATLAB to calculate that for me. The radius of the helical spirals will change and I think there is way to use MATLAB to evenly space them out rather than manually calculating the distance of them.
The axes will always be constrained from -255 to 255, so only radius stays the same.
I pasted the code and what the spirals look from the xy axes
I am hoping the spacing between each row would be constant so that the spirals lie on the same line
Code
clc; clear; close all
%
% prompt2 = 'Layer Height: ';
% height = input(prompt2);
height = 250;
% prompt3 = 'Number of Layers: ';
% numlayer = input(prompt3);
spirals = (1:10:61);
num = 1:1:7;
for columns=1:4
for rows = 1:length(spirals)
center = -250 + (spirals(rows))*num(rows); % this was calculated to work only for this radius
indent =255 - (columns*30);
gap=height./columns;
d=height;
r = spirals(rows);
z=linspace(0,d,1000);
t=(2*pi/gap)*z;
x=r*cos(t)+center;
y=r*sin(t)+ indent;
hold on
plot3(x,y,z,'o','MarkerSize',2)
xlim([-255 255])
ylim([-255 255])
zlim([1 255])
grid on
ylabel('\it Increasing Layer Height \leftarrow')
end
end

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Hans123

### Hans123 (view profile)

19 Aug 2019
Currently, my plot has overlapping of the spirals. The goal is to get rid of that overlapping. I want to know how I can make MATLAB understand the necessarcy distance so that there is no overlap between rows.
The reason I want MATLAB to solve fit the spirals on the axes, rather than manually calculating the required distance, is because I intend to change the radius of each spiral on each row later. I do not wish to recalculate the distance again
darova

### darova (view profile)

19 Aug 2019
What if radius of spirals too big for
ylim([-255 255])
Hans123

### Hans123 (view profile)

19 Aug 2019
the radius for the spirals being picked will adhere to the limit. My problem is getting rid of the overlap of the spirals. Please let me know how I could do it.

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## 답변 수: 1

darova

### darova (view profile)

님의 답변 19 Aug 2019
채택된 답변

See attached file
dy = max(spirals);
indent = linspace(-255+dy, 255-dy,4);
y=r*sin(t)+ indent(columns);
FOr thicker line use:
plot(x,y,'linewidth',2)

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