Improve drawing export and foundation quantity views

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

수량산출/coping-formulas.ts

@@ -0,0 +1,10 @@
+import {template} from './template-data.ts';
+import {DETAIL} from './schema.ts';
+/** R→∞: original circular-segment area tends to 0; arc length tends to its chord. */
+const chord='SQRT(((BG12+2*BG17-BG19-0.2)/2)^2+BG14^2)';
+const area='((BG19+0.2)+(BG12+2*BG17))*BG14/2+(BG12+(BG12+2*BG17))*BG15/2+(BG12*((0.01*BG16*BG12)+BG17)/(BG15+0.01*BG16*BG12))*(0.01*BG16*BG12)/2';
+export const straightCopingFormulas:Record<string,string>={
+ [DETAIL+'!W50']:'=('+area+')+2*BG13*'+chord+'+BG13*SQRT(BG17^2+BG15^2)+BG13*SQRT(BG17^2+(BG15+0.01*BG16*BG12)^2)',
+ [DETAIL+'!W58']:'=('+area+')*BG13+PI()*BG19^2/4*(BG6-BG14-BG15-BG7+BG20)+BG31*BG32*BG33*BG30',
+};
+export function sourceFormula(cell:string){return template[DETAIL][cell]?.value;}